View Filing Data

Senior subordinated notes

2,849,088

2,848,591

48,519

48,498

Deferred tax liabilities

1,055,737

943,343

Derivative liabilities

1,515

24,491

Deferred compensation liabilities

110,455

119,231

Asset retirement obligations and other liabilities

301,687

310,642

Total liabilities

5,839,269

5,873,877

Commitments and contingencies

Stockholders’ Equity

Preferred stock, $1 par, 10,000,000 shares authorized, none issued and outstanding

Common stock, $0.01 par, 475,000,000 shares authorized, 247,563,324 issued at March 31, 2017 and 247,174,903 issued at December 31, 2016

2,476

2,471

Common stock held in treasury, 26,547 shares at March 31, 2017 and 30,547 shares at December 31, 2016

(1,054)

(1,209)

Additional paid-in capital

5,533,211

5,524,423

Retained earnings (deficit)

47,843

(117,317)

Total stockholders’ equity

5,582,476

5,408,368

Total liabilities and stockholders’ equity

$ 11,421,745

$ 11,282,245

[1]	Includes capitalized asset retirement costs and the associated accumulated amortization.

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts on accounts receivable	$ 5,558	$ 5,559
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	475,000,000	475,000,000
Common stock, shares issued	247,563,324	247,174,903
Common stock held in treasury, shares	26,547	30,547

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
shares in Thousands, $ in Thousands

3 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Revenues and other income:

Natural gas, NGLs and oil sales

$ 559,450

$ 209,487

Derivative fair value income

165,557

86,908

Brokered natural gas, marketing and other

51,648

35,018

Total revenues and other income

776,655

331,413

Costs and expenses:

Direct operating

28,023

24,054

Transportation, gathering, processing and compression

177,648

125,263

Production and ad valorem taxes

9,163

5,887

Brokered natural gas and marketing

53,550

36,558

Exploration

8,504

4,913

Abandonment and impairment of unproved properties

4,420

10,628

General and administrative

47,496

40,657

Termination costs

4,192

162

Deferred compensation plan

(13,169)

16,056

Interest

47,101

37,739

Depletion, depreciation and amortization

149,821

120,561

Impairment of proved properties and other assets

43,040

(Gain) loss on the sale of assets

(22,600)

1,643

Total costs and expenses

494,149

467,161

Income (loss) before income taxes

282,506

(135,748)

Income tax expense (benefit):

Current

Deferred

112,395

(41,976)

Total income tax expense (benefit)

112,395

(41,976)

Net income (loss)

$ 170,111

$ (93,772)

Net income (loss) per common share:

Basic

$ 0.69

$ (0.56)

Diluted

0.69

(0.56)

Dividends paid per common share

$ 0.02

Weighted average common shares outstanding:

Basic

^[1]

244,652

166,803

Diluted

244,803

166,803

[1]	2017 includes common stock issued in connection with the exchange of 77.0 million shares for all outstanding Memorial common stock on September 16, 2016.

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities:
Net income (loss)	$ 170,111	$ (93,772)
Adjustments to reconcile net income (loss) to net cash provided from operating activities:
Deferred income tax expense (benefit)	112,395	(41,976)
Depletion, depreciation and amortization and impairment	149,821	163,601
Abandonment and impairment of unproved properties	4,420	10,628
Derivative fair value income	(165,557)	(86,908)
Cash settlements on derivative financial instruments	(4,181)	109,466
Allowance for bad debt	0	200
Amortization of deferred financing costs, loss on extinguishment of debt and other	1,310	1,707
Deferred and stock-based compensation	962	29,128
(Gain) loss on the sale of assets	(22,600)	1,643
Changes in working capital:
Accounts receivable	(4,690)	18,752
Inventory and other	2,868	5,333
Accounts payable	24,384	11,922
Accrued liabilities and other	(43,381)	(38,939)
Net cash provided from operating activities	225,862	90,785
Investing activities:
Additions to natural gas and oil properties	(186,727)	(107,015)
Additions to field service assets	(1,565)	(631)
Acreage purchases	(28,725)	(19,497)
Proceeds from disposal of assets	26,053	113,079
Purchases of marketable securities held by the deferred compensation plan	(12,388)	(8,662)
Proceeds from the sales of marketable securities held by the deferred compensation plan	10,231	7,833
Net cash used in investing activities	(193,121)	(14,893)
Financing activities:
Borrowings on credit facilities	448,000	358,000
Repayments on credit facilities	(484,000)	(422,000)
Repayment of senior notes	(500)	0
Debt issuance costs and other	0	(124)
Dividends paid	(4,951)	(3,395)
Taxes paid for shares withheld	(5,879)	(3,361)
Change in cash overdrafts	11,803	(6,368)
Proceeds from the sales of common stock held by the deferred compensation plan	3,017	1,414
Net cash used in financing activities	(32,510)	(75,834)
Increase in cash and cash equivalents	231	58
Cash and cash equivalents at beginning of period	314	471
Cash and cash equivalents at end of period	$ 545	$ 529

Summary of Organization and Nature of Business	3 Months Ended
Summary of Organization and Nature of Business	Mar. 31, 2017
Industry Specific Policies [Abstract]
Summary of Organization and Nature of Business	(1) SUMMARY OF ORGANIZATION AND NATURE OF BUSINESS Range Resources Corporation is a Fort Worth, Texas-based independent natural gas, natural gas liquids (“NGLs”) and oil company primarily engaged in the exploration, development and acquisition of natural gas and oil properties in the Appalachian and the North Louisiana regions of the United States. Our objective is to build stockholder value through consistent growth in reserves and production on a cost-efficient basis. Range is a Delaware corporation with our common stock listed and traded on the New York Stock Exchange under the symbol “RRC”.

Basis of Presentation	3 Months Ended
Basis of Presentation	Mar. 31, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Presentation	(2) BASIS OF PRESENTATION These interim financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Range Resources Corporation 2016 Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on February 22, 2017. The results of operations for three months ended March 31, 2017 are not necessarily indicative of the results to be expected for the full year. These consolidated financial statements are unaudited but, in the opinion of management, reflect all adjustments necessary for fair presentation of the results for the periods presented. All adjustments are of a normal recurring nature unless otherwise disclosed. These consolidated financial statements, including selected notes, have been prepared in accordance with the applicable rules of the SEC and do not include all of the information and disclosures required by accounting principles generally accepted in the United States of America (“U.S. GAAP”) for complete financial statements. On September 16, 2016, we issued approximately 77.0 million shares of common stock in exchange for all outstanding shares of common stock of Memorial Resources Development Corp. (“Memorial”) using an exchange ratio of 0.375 of a share of Range common stock for each share of Memorial common stock. For additional information, see Note 4. Inventory. As of March 31, 2017, we had $10.2 million of material and supplies inventory compared to $9.4 million at December 31, 2016. Material and supplies inventory consists of primarily tubular goods and equipment used in our operations and is stated at lower of specific cost of each inventory item or market. At March 31, 2017, we also had commodity inventory of $2.4 million compared to $8.3 million at December 31, 2016. Commodity inventory as of March 31, 2017 consists of natural gas and NGLs held in storage or as line fill in pipelines.

New Accounting Standards

3 Months Ended

Mar. 31, 2017

New Accounting Pronouncements And Changes In Accounting Principles [Abstract]

New Accounting Standards

(3) NEW ACCOUNTING STANDARDS

Not Yet Adopted

In May 2014, an accounting standards update was issued that supersedes the existing revenue recognition requirements. This standard includes a five-step revenue recognition model to depict the transfer of goods or services to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. Among other things, the standard also eliminates industry-specific revenue guidance, requires enhanced disclosures about revenue, provides guidance for transactions that were not previously addressed comprehensively and improves guidance for multiple-element arrangements. This standard is effective for us in first quarter 2018 and will be applied retrospectively to each prior reporting period presented or with the cumulative effect of initially applying the update recognized at the date of initial application. We continue to evaluate the available adoption methods. We are utilizing a bottom-up approach to analyze the impact of the new standard on our contracts by reviewing our current accounting policies and practices to identify potential differences that would result from applying the requirements of the new standard to our revenue contracts and the impact of adopting this standards update on our total net revenues, operating income (loss) and our consolidated balance sheet. We are currently performing detailed analysis of our portfolio of contracts at the individual contract level as we continue to evaluate the impact of this accounting standards update on our consolidated results of operations, financial position, cash flows and financial disclosures, in addition to developing any process or control changes necessary.

In February 2016, an accounting standards update was issued that requires an entity to recognize a right-of-use asset and lease liability for all leases with terms of more than 12 months. Classification of leases as either a finance or operating lease will determine the recognition, measurement and presentation of expenses. This accounting standards update also requires certain quantitative and qualitative disclosures about leasing arrangements. This standard is effective for us in first quarter 2019 and should be applied using a modified retrospective approach for leases that exist or are entered into after the beginning of the earliest comparative period in the financial statements and early adoption is permitted. We are evaluating the provisions of this accounting standards update and assessing the impact it will have on our consolidated results of operations, financial position or cash flows but based on our preliminary review of the update, we expect that we will have operating leases with durations greater than twelve months on the balance sheet. As we continue to evaluate and implement the standard, we will provide additional information about the expected financial impact at a future date.

In August 2016, an accounting standards update was issued that clarifies how entities classify certain cash receipts and cash payments on the statement of cash flows. The guidance is effective for us in first quarter 2018 and will be applied retrospectively with early adoption permitted. We are evaluating the provisions of this accounting standards update and assessing the impact, if any, it may have on our consolidated cash flow statement presentation.

Recently Adopted

In August 2014, an accounting standards update was issued that requires management to assess an entity’s ability to continue as a going concern by incorporating and expanding upon certain principles that are currently in United States auditing standards. This standard was effective for us in 2016. The adoption did not have a significant impact on our consolidated results of operations, financial position, cash flows or financial disclosures; however, we did implement and formalize policies and procedures to ensure compliance with the requirement to perform ongoing interim and annual going concern assessments.

In March 2016, an accounting standards update was issued that simplifies several aspects of the accounting for share-based payment award transactions. Among other things, this new guidance requires all income tax effects of share-based awards to be recognized in the statement of operations when the awards vest or are settled, allows an employer to repurchase more of an employee’s shares for tax withholding purposes than it can today without triggering liability accounting and allows a policy election to account for forfeitures as they occur. This new standard is effective for annual periods beginning after December 15, 2016. Early adoption is permitted. We elected to early adopt this accounting standards update in fourth quarter 2016 and reflected any adjustments as of January 1, 2016, the beginning of the annual period that includes the interim period of adoption. The following summarizes the impact of the adoption of this update on our consolidated financial statements:

Income taxes - Upon adoption of this standard, all excess tax benefits and tax deficiencies (including tax benefits of dividends on share-based payment awards) are recognized as income tax expense or benefit in our consolidated statements of operations. The tax effects of exercised or vested awards are treated as discrete items in the reporting period in which they occur. Adoption of this new standard resulted in the recognition of an excess tax deficiency in our provision for income taxes rather than paid-in capital of $2.1 million for the year ended December 31, 2016 and affected our previously reported first quarter 2016 results as follows (in thousands, except per share data):

		Three Months Ended March 31, 2016
		As Reported			As Adjusted
	(unaudited)
Statements of Operations
Income tax benefit	$	(44,038	)	$	(41,976	)
Net loss		(91,710	)		(93,772	)
Basic earnings per share		(0.55	)		(0.56	)
Diluted earnings per share		(0.55	)		(0.56	)

In addition, we recorded a cumulative-effect adjustment to retained earnings (deficit) and reduced our deferred tax liability for $101.1 million for previously unrecognized tax benefits due to our NOL position as of December 31, 2016.

Forfeitures - Prior to adoption, share-based compensation expense was recognized on a straight line basis, net of estimated forfeitures, such that expense was recognized only for share-based awards that are expected to vest. We have elected to continue to estimate forfeitures.

Statements of cash flows - The presentation requirements for cash flows related to employee taxes paid for withheld shares were adjusted retrospectively. These cash flows have historically been presented as an operating activity. Upon adoption of this new standard, these cash outflows were classified as a financing activity. Prior periods have been adjusted as follows (in thousands):

		As Reported		As Adjusted
		Net cash provided from operating activities		Net cash provided from operating activities
Three months ended March 31, 2016	$	87,424	$	90,785
Six months ended June 30, 2016		169,604		173,201
Nine months ended September 30, 2016		202,037		205,837

		As Reported			As Adjusted
		Net cash used in financing activities			Net cash used in financing activities
Three months ended March 31, 2016	$	(72,473	)	$	(75,834	)
Six months ended June 30, 2016		(95,411	)		(99,008	)
Nine months ended September 30, 2016		(35,229	)		(39,029	)

In January 2017, an accounting standards update was issued that eliminates the requirements to calculate the implied fair value of goodwill to measure goodwill impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount over its fair value. This standard is effective for annual periods beginning after December 15, 2019 and should be applied on a prospective basis. Early adoption is permitted for any goodwill impairment tests performed in first quarter 2017 or later. We elected to adopt this accounting standards update in first quarter 2017. The adoption did not have a significant impact on our consolidated results of operations, financial position, cash flows or financial disclosures; however, this standard did change our policy for our annual goodwill impairment assessment by eliminating the requirement to calculate the implied fair value of goodwill.

The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Change in Accounting Principle
-URI http://asc.fasb.org/extlink&oid=6507316

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Direct Effects of a Change in Accounting Principle
-URI http://asc.fasb.org/extlink&oid=66092750

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22583-107794

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Indirect Effects of a Change in Accounting Principle
-URI http://asc.fasb.org/extlink&oid=6515603

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22580-107794

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.10-01.(b)(6))
-URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Accounting Change
-URI http://asc.fasb.org/extlink&oid=6503790

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Retrospective Application
-URI http://asc.fasb.org/extlink&oid=6523989

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305

Acquisitions and Dispositions

Acquisitions and Dispositions

3 Months Ended

Mar. 31, 2017

Business Combinations [Abstract]

(4) ACQUISITIONS AND DISPOSITIONS

Memorial Merger

On September 16, 2016, we completed our merger with Memorial Resource Development Corp. (the “MRD Merger” or “Memorial”) which was accomplished through the merger of Medina Merger Sub, Inc., a Delaware corporation and a direct, wholly-owned subsidiary of Range, with and into Memorial, with Memorial surviving as a wholly-owned subsidiary of Range. The results of Memorial’s operations since the effective time of the MRD Merger are included in our consolidated statement of operations. The MRD Merger was effected through the issuance of approximately 77.0 million shares of Range common stock in exchange for all outstanding shares of Memorial using an exchange ratio of 0.375 of a share of Range common stock for each share of Memorial common stock. At the effective time of the MRD Merger, Memorial’s liabilities, which are reflected in Range’s consolidated financial statements, included approximately $1.2 billion fair value of outstanding debt. In the last six months of 2016, we incurred MRD Merger-related expenses of approximately $37.2 million which includes consulting, investment banking, advisory, legal and other merger-related fees.

Allocation of Purchase Price. The MRD Merger has been accounted for as a business combination, using the acquisition method. The following table represents the preliminary allocation of the total purchase price of the MRD Merger to the assets acquired and the liabilities assumed based on the fair value at the effective time of the MRD Merger, with any excess of the purchase price over the estimated fair value of the identifiable net assets acquired recorded as goodwill. Certain data necessary to complete the purchase price allocation is not yet available, and includes, but is not limited to, valuation of certain pre-merger contingencies, final tax returns that provide the underlying tax basis of Memorial’s assets and liabilities and final appraisals of assets acquired and liabilities assumed. We expect to complete the purchase price allocation during the 12-month period following the MRD Merger date, in line with the acquisition method of accounting, during which time the value of the assets and liabilities, including goodwill, may be revised as appropriate.

The following table sets forth our preliminary purchase price allocation (in thousands, except shares and stock price):

Purchase price:
Shares of Range common stock issued to Memorial stockholders		77,042,749
Range common stock price per share at September 15, 2016 (close)	$	39.37
Total purchase price	$	3,033,173

Plus fair value of liabilities assumed by Range:
Accounts payable	$	55,624
Other current liabilities		114,426
Long-term debt		1,204,449
Deferred taxes		547,348
Other long-term liabilities		77,223
Total purchase price plus liabilities assumed	$	5,032,243

Fair value of Memorial assets:
Cash and equivalents	$	7,180
Other current assets		97,875
Derivative instruments		152,994
Natural gas and oil properties:
Proved property		1,117,011
Unproved property		1,999,187
Other property and equipment		3,579
Goodwill ^(a)		1,654,292
Other		125
Total asset value	$	5,032,243

^(a)Goodwill will not be deductible for income tax purposes.

The fair value measurements of derivative instruments assumed were determined based on published forward commodity price curves as of the date of the MRD Merger and represent Level 2 inputs. Derivative instruments in an asset position include a measure of counterparty nonperformance risk and the fair values of commodity derivative instruments in a liability position include a measure of our own nonperformance risk, each based on the current published credit default swap rates. The fair value measurements of long-term debt were estimated based on published market prices and represent Level 1 inputs.

The fair value measurements of natural gas and oil properties and asset retirement obligations are based on inputs that are not observable in the market and therefore represent Level 3 inputs. The fair value of natural gas and oil properties and asset retirement obligations were measured using valuation techniques that convert future cash flows to a single discounted amount. Significant inputs to the valuation of natural gas and oil properties include estimates of: (i) recoverable reserves, (ii) production rates, (iii) future operating and development costs, (iv) future commodity prices and (v) a market-based weighted average costs of capital rate. These inputs require significant judgments and estimates by management at the time of the valuation and may be subject to change. Management utilized the assistance of a third party valuation expert to estimate the value of natural gas and oil properties acquired. In some cases, certain amounts allocated to unproved properties are based on a market approach using third party published data which provides lease pricing information based on certain geographic areas and represent Level 2 inputs.

Goodwill is attributed to net deferred tax liabilities arising from the differences between the purchase price allocated to Memorial’s assets and liabilities based on fair value and the tax basis of these assets and liabilities. In addition, the total consideration for the MRD Merger included a control premium, which resulted in a higher value compared to the fair value of net assets acquired. There are also other qualitative assumptions of long-term factors that the MRD Merger creates including additional potential for exploration and development opportunities, additional scale and efficiencies in other basins in which we operate and substantial operating and administrative synergies.

The results of operations attributable to Memorial are included in our consolidated statement of operations beginning on September 16, 2016. We recognized $129.1 million of natural gas, oil and NGLs revenues and $83.4 million of field net operating income from these assets from January 1, 2017 to March 31, 2017.

Pro forma Financial Information. The following pro forma condensed combined financial information was derived from the historical financial statements of Range and Memorial and gives effect to the MRD Merger as if it had occurred on January 1, 2015. The below information reflects pro forma adjustments for the issuance of Range common stock in exchange for Memorial’s outstanding shares of common stock, as well as pro forma adjustments based on available information and certain assumptions that we believe are reasonable, including (i) the depletion of Memorial’s fair-valued proved oil and gas properties and (ii) the estimated tax impacts of the pro forma adjustments. The pro forma results of operations do not include any cost savings or other synergies that may result from the MRD Merger or any estimated costs that have been or will be incurred by us to integrate the Memorial assets. The pro forma condensed combined financial information is not necessarily indicative of the results that might have actually occurred had the MRD Merger taken place on January 1, 2015. In addition, the pro forma financial information below is not intended to be a projection of future results (in thousands, except per share amounts).


	Three Months Ended
		March 31, 2016
Revenues	$	448,933
Net loss	$	(74,616	)

Loss per share:
Basic	$	(0.31	)
Diluted	$	(0.31	)

2017 Dispositions

We recognized a pretax net gain on the sale of assets of $22.6 million in first quarter 2017 compared to a pretax net loss of $1.6 million in the same period of the prior year.

Western Oklahoma. In first three months 2017, we sold certain properties in Western Oklahoma for proceeds of $26.0 million and we recorded a gain of $22.5 million related to this sale, after closing adjustments and transaction fees.

Other. In first three months 2017, we sold miscellaneous proved and unproved properties, inventory, other assets and surface acreage for proceeds of $53,000 resulting in a pretax gain of $69,000.

2016 Dispositions

Pennsylvania. In first quarter 2016, we sold our non-operated interest in certain wells and gathering facilities in northeast Pennsylvania for proceeds of $111.5 million. After closing adjustments, we recorded a loss of $2.1 million related to this sale.

Other. In first three months 2016, we sold miscellaneous proved and unproved properties, inventory, other assets and surface acreage for proceeds of $1.6 million resulting in a pretax gain of $443,000. Included in the $1.6 million of proceeds is $1.2 million received from the sale of proved properties in Mississippi and South Texas.

Goodwill	3 Months Ended
Goodwill	Mar. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill	(5) GOODWILL During 2016, we recorded goodwill associated with the MRD Merger, which represents the cost of the acquired entity over the net amounts assigned to assets acquired and liabilities assumed. Goodwill is assessed for impairment whenever events or circumstances indicate that impairment of the carrying value of goodwill is likely, but no less often than annually. During fourth quarter 2016, we performed our annual qualitative assessment of goodwill to determine whether it was more likely than not that the fair value of the reporting unit was less than its carrying amount as a basis for determining whether it was necessary to perform the two-step impairment test. Based on the results of this assessment, we determined it was not likely that goodwill was impaired. We are not aware of any events or circumstances that occurred during first quarter 2017 that would have more likely than not reduced the fair value of our reporting unit below its carrying value.

Income Taxes

3 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

Income Taxes

(6) INCOME TAXES

Income tax expense (benefit) was as follows (dollars in thousands):

		Three Months Ended March 31,
		2017			2016
Income tax expense (benefit)	$	112,395		$	(41,976	)
Effective tax rate		39.8	%		30.9	%

We compute our quarterly taxes under the effective tax rate method based on applying an anticipated annual effective rate to our year-to-date income, except for discrete items. Income taxes for discrete items are computed and recorded in the period that the specific transaction occurs. For first quarter 2017 and 2016, our overall effective tax rate was different than the federal statutory rate of 35% due primarily to state income taxesand other tax items which are detailed below (dollars in thousands).

	Three Months Ended March 31,
		2017			2016
Total income (loss) before income taxes	$	282,506		$	(135,748	)
U.S. federal statutory rate		35	%		35	%
Total tax expense (benefit) at statutory rate		98,877			(47,512	)

State and local income taxes, net of federal benefit		8,982			(4,432	)
Non-deductible executive compensation		140			236
Tax less than book equity compensation		2,524			5,266
Change in valuation allowances:
Federal net operating loss carryforwards & other		856			—
State net operating loss carryforwards & other		2,086			4,490
Rabbi trust		(1,122	)		(51	)
Permanent differences and other		52			27
Total expense (benefit) for income taxes	$	112,395		$	(41,976	)
Effective tax rate		39.8	%		30.9	%

Income (Loss) Per Common Share

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Income (Loss) Per Common Share

(7) INCOME (LOSS) PER COMMON SHARE

Basic income or loss per share attributable to common shareholders is computed as (1) income or loss attributable to common shareholders (2) less income allocable to participating securities (3) divided by weighted average basic shares outstanding. Diluted income or loss per share attributable to common shareholders is computed as (1) basic income or loss attributable to common shareholders (2) plus diluted adjustments to income allocable to participating securities (3) divided by weighted average diluted shares outstanding. The following tables set forth a reconciliation of income or loss attributable to common shareholders to basic income or loss attributable to common shareholders to diluted income or loss attributable to common shareholders (in thousands except per share amounts):

		Three Months Ended March 31,
		2017			2016
Net income (loss), as reported	$	170,111		$	(93,772	)
Participating earnings ^(a)		(1,882	)		(56	)
Basic net income (loss) attributed to common shareholders		168,229			(93,828	)
Reallocation of participating earnings ^(a)		1			—
Diluted net income (loss) attributed to common shareholders	$	168,230		$	(93,828	)
Net income (loss) per common share:
Basic	$	0.69		$	(0.56	)
Diluted	$	0.69		$	(0.56	)

^(a)

Restricted Stock Awards represent participating securities because they participate in nonforfeitable dividends or distributions with common equity owners. Income allocable to participating securities represents the distributed and undistributed earnings attributable to the participating securities. Participating securities, however, do not participate in undistributed net losses.

The following table provides a reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding (in thousands):

	Three Months Ended March 31,
	2017	2016
Weighted average common shares outstanding – basic ⁽¹⁾	244,652	166,803
Effect of dilutive securities:
Director and employee PSUs and RSUs	151	—
Weighted average common shares outstanding – diluted	244,803	166,803

⁽¹⁾ 2017 includes common stock issued in connection with the exchange of 77.0 million shares for all outstanding Memorial common stock on September 16, 2016.

Weighted average common shares outstanding–basic for first quarter 2017 excludes 2.7 million shares of restricted stock held in our deferred compensation plan compared to 2.8 million shares in first quarter 2016 (although all awards are issued and outstanding upon grant). For first quarter 2017, stock appreciation rights (“SARs”) of 941,000 were outstanding but not included in the computation of diluted net income per share because the grant prices of the SARs were greater than the average market price of the common shares and would be anti-dilutive to the computations. Due to our net loss from operations in first quarter 2016, we excluded all outstanding SARs, restricted stock and performance shares from the computation of diluted net loss per share because the effect would have been anti-dilutive.

Suspended Exploratory Well Costs

3 Months Ended

Mar. 31, 2017

Suspended Exploratory Well Costs

(8) SUSPENDED EXPLORATORY WELL COSTS

We capitalize exploratory well costs until a determination is made that the well has either found proved reserves or that it is impaired. Capitalized exploratory well costs are included in natural gas and oil properties in the accompanying consolidated balance sheets. If an exploratory well is determined to be impaired, the well costs are charged to exploration expense in the accompanying consolidated statements of operations. We did not have any exploratory well costs that have been capitalized for a period greater than one year as of March 31, 2017. The following table reflects the change in capitalized exploratory well costs for the three months ended March 31, 2017 and the year ended December 31, 2016 (in thousands):

		March 31, 2017			December 31, 2016
Balance at beginning of period	$	7,412		$	4,161
Additions to capitalized exploratory well costs pending the determination of proved reserves		872			9,128
Reclassifications to wells, facilities and equipment based on determination of proved reserves		—			(5,877	)
Balance at end of period		8,284			7,412
Less exploratory well costs that have been capitalized for a period of one year or less		(8,284	)		(7,412	)
Capitalized exploratory well costs that have been capitalized for a period greater than one year	$	—		$	—
Number of projects that have exploration well costs that have been capitalized greater than one year		—			—

Indebtedness

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Indebtedness

(9) INDEBTEDNESS

We had the following debt outstanding as of the dates shown below (bank debt interest rate at March 31, 2017 is shown parenthetically). No interest was capitalized during the three months ended March 31, 2017 or the year ended December 31, 2016 (in thousands).


		March 31, 2017			December 31, 2016
Bank debt (2.5%)	$	846,000		$	882,000
Senior notes:
4.875% senior notes due 2025		750,000			750,000
5.00% senior notes due 2023		741,514			741,514
5.00% senior notes due 2022		580,032			580,032
5.75% senior notes due 2021		475,952			475,952
5.875% senior notes due 2022		329,244			329,244
Other senior notes due 2022		590			1,090
Total senior notes		2,877,332			2,877,832
Senior subordinated notes:
5.00% senior subordinated notes due 2023		7,712			7,712
5.00% senior subordinated notes due 2022		19,054			19,054
5.75% senior subordinated notes due 2021		22,214			22,214
Total senior subordinated notes		48,980			48,980
Total debt		3,772,312			3,808,812
Unamortized premium		6,960			7,258
Unamortized debt issuance costs		(40,477	)		(42,553	)
Total debt net of debt issuance costs	$	3,738,795		$	3,773,517

Bank Debt

In October 2014, we entered into an amended and restated revolving bank facility, which we refer to as our bank debt or our bank credit facility, which is secured by substantially all of our assets and has a maturity date of October 16, 2019. The bank credit facility provides for a maximum facility amount of $4.0 billion. The bank credit facility provides for a borrowing base subject to redeterminations annually by May and for event-driven unscheduled redeterminations. As part of our annual redetermination completed on March 21, 2017, our borrowing base was reaffirmed at $3.0 billion and our bank commitment was also reaffirmed at $2.0 billion. As of March 31, 2017, our bank group was composed of twenty-nine financial institutions with no one bank holding more than 5.8% of the total facility. The borrowing base may be increased or decreased based on our request and sufficient proved reserves, as determined by the bank group. The commitment amount may be increased to the borrowing base, subject to payment of a mutually acceptable commitment fee to those banks agreeing to participate in the facility increase. As of March 31, 2017, the outstanding balance under our bank credit facility was $846.0 million, before deducting debt issuance costs. Additionally, we had $279.7 million of undrawn letters of credit leaving $874.3 million of committed borrowing capacity available under the facility. During a non-investment grade period, borrowings under the bank credit facility can either be at the alternate base rate (“ABR,” as defined in the bank credit facility agreement) plus a spread ranging from 0.25% to 1.25% or LIBOR borrowings at the LIBOR Rate (as defined in the bank credit facility agreement) plus a spread ranging from 1.25% to 2.25%. The applicable spread is dependent upon borrowings relative to the borrowing base. We may elect, from time to time, to convert all or any part of our LIBOR loans to base rate loans or to convert all or any of the base rate loans to LIBOR loans. The weighted average interest rate was 2.4% in first quarter 2017 compared to 2.1% in first quarter 2016. A commitment fee is paid on the undrawn balance based on an annual rate of 0.30% to 0.375%. At March 31, 2017, the commitment fee was 0.3% and the interest rate margin was 1.5% on our LIBOR loans and 0.5% on our base rate loans.

At any time during which we have an investment grade debt rating from Moody’s Investors Service, Inc. or Standard & Poor’s Ratings Services and we have elected, at our discretion, to effect the investment grade rating period, certain collateral security requirements, including the borrowing base requirement and restrictive covenants, will cease to apply and an additional financial covenant (as defined in the bank credit facility) will be imposed. During the investment grade period, borrowings under the credit facility can either be at the ABR plus a spread ranging from 0.125% to 0.75% or at the LIBOR Rate plus a spread ranging from 1.125% to 1.75% depending on our debt rating. The commitment fee paid on the undrawn balance would range from 0.15% to 0.30%. We currently do not have an investment grade debt rating.

Senior Notes

In May 2015, we issued $750.0 million aggregate principal amount of 4.875% senior notes due 2025 (the “Outstanding Notes”) for net proceeds of $737.4 million after underwriting discounts and commissions of $12.6 million. The notes were issued at par and were offered to qualified institutional buyers and non-U.S. persons outside the United States in compliance with Rule 144A and Regulation S under the Securities Act of 1933, as amended (the “Securities Act”). On April 8, 2016, all of the Outstanding Notes were exchanged for an equal principal amount of registered 4.875% senior notes due 2025 pursuant to an effective registration statement on Form S-4 filed with the SEC on February 29, 2016 under the Securities Act (the “Exchange Notes”). The Exchange Notes are identical to the Outstanding Notes except the Exchange Notes are registered under the Securities Act and do not have restrictions on transfer, registration rights or provisions for additional interest. Under certain circumstances, if we experience a change of control, noteholders may require us to repurchase all of our senior notes at 101% of the aggregate principal amount plus accrued and unpaid interest, if any.

Senior Subordinated Notes

If we experience a change of control, noteholders may require us to repurchase all or a portion of our senior subordinated notes at 101% of the aggregate principal amount plus accrued and unpaid interest, if any. All of the senior subordinated notes and the guarantees by our subsidiary guarantors are general, unsecured obligations and are subordinated to our bank debt and are subordinated to existing and future senior debt that we or our subsidiary guarantors are permitted to incur.

Guarantees

Range is a holding company which owns no operating assets and has no significant operations independent of its subsidiaries. The guarantees by our subsidiaries, which are directly or indirectly owned by Range, of our senior notes, senior subordinated notes and our bank credit facility are full and unconditional and joint and several, subject to certain customary release provisions. A subsidiary guarantor may be released from its obligations under the guarantee:

•

in the event of a sale or other disposition of all or substantially all of the assets of the subsidiary guarantor or a sale or other disposition of all the capital stock of the subsidiary guarantor, to any corporation or other person (including an unrestricted subsidiary of Range) by way of merger, consolidation, or otherwise; or

•

if Range designates any restricted subsidiary that is a guarantor to be an unrestricted subsidiary in accordance with the terms of the indenture.

Debt Covenants

Our bank credit facility contains negative covenants that limit our ability, among other things, to pay cash dividends, incur additional indebtedness, sell assets, enter into certain hedging contracts, change the nature of our business or operations, merge, consolidate, or make certain investments. In addition, we are required to maintain a ratio of EBITDAX (as defined in the bank credit facility agreement) to cash interest expense of equal to or greater than 2.5 and a current ratio (as defined in the bank credit facility agreement) of no less than 1.0. In addition, the ratio of the present value of proved reserves (as defined in the credit agreement) to total debt must be equal to or greater than 1.5 until Range has two investment grade ratings. We were in compliance with applicable covenants under the bank credit facility at March 31, 2017.

Asset Retirement Obligations

3 Months Ended

Mar. 31, 2017

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligations

(10) ASSET RETIREMENT OBLIGATIONS

Our asset retirement obligations primarily represent the estimated present value of the amounts we will incur to plug, abandon and remediate our producing properties at the end of their productive lives. Significant inputs used in determining such obligations include estimates of plugging and abandonment costs, estimated future inflation rates and well lives. The inputs are calculated based on historical data as well as current estimated costs. A reconciliation of our liability for plugging and abandonment costs for the three months ended March 31, 2017 is as follows (in thousands):

	Three Months Ended March 31, 2017
Beginning of period	$	257,943
Acquisition of wells		—
Liabilities incurred		1,645
Liabilities settled		(2,360	)
Disposition of wells		(2,402	)
Accretion expense		3,744
Change in estimate		69
End of period		258,639
Less current portion		(7,271	)
Long-term asset retirement obligations	$	251,368

Accretion expense is recognized as a component of depreciation, depletion and amortization expense in the accompanying consolidated statements of operations.

Capital Stock

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

Capital Stock

(11) CAPITAL STOCK

We have authorized capital stock of 485.0 million shares which includes 475.0 million shares of common stock and 10.0 million shares of preferred stock. We currently have no preferred stock issued or outstanding. The following is a schedule of changes in the number of common shares outstanding since the beginning of 2016:

	Three Months Ended March 31, 2017		Year Ended December 31, 2016
Beginning balance		247,144,356		169,316,460
MRD Merger		—		77,042,749
Restricted stock grants		66,078		490,609
Restricted stock units vested		302,383		266,541
PSU-TSR units settled		19,960		—
Shares retired		—		(739	)
Treasury shares issued		4,000		28,736
Ending balance		247,536,777		247,144,356

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

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Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivative Activities

3 Months Ended

Mar. 31, 2017

Derivative Activities

(12) DERIVATIVE ACTIVITIES

We use commodity-based derivative contracts to manage exposure to commodity price fluctuations. We do not enter into these arrangements for speculative or trading purposes. We typically do not utilize complex derivatives, as we utilize commodity swaps or options to (1) reduce the effect of price volatility of the commodities we produce and sell and (2) support our annual capital budget and expenditure plans. The fair value of our derivative contracts, represented by the estimated amount that would be realized upon termination, based on a comparison of the contract price and a reference price, generally the New York Mercantile Exchange (“NYMEX”) for natural gas and crude oil or Mont Belvieu for NGLs, approximated a net asset of $8.8 million at March 31, 2017. These contracts expire monthly through December 2019. The following table sets forth our commodity-based derivative volumes by year as of March 31, 2017, excluding our basis and freight swaps which are discussed separately below:

Period	Contract Type	Volume Hedged	Weighted Average Hedge Price
Natural Gas
2017	Swaps ⁽¹⁾	844,245 Mmbtu/day	$ 3.19
2018	Swaps	417,260 Mmbtu/day	$ 3.25
2017	Collars ⁽¹⁾	123,818 Mmbtu/day	$ 3.46–$ 4.12
2018	Collars	7,397 Mmbtu/day	$ 3.40–$ 3.75
2017	Purchased Puts ⁽¹⁾	178,909 Mmbtu/day	$ 3.49 ⁽²⁾
2017	Sold Calls	9,041 Mmbtu/day	$ 3.75 ⁽³⁾

Crude Oil
2017	Swaps ⁽¹⁾	8,782 bbls/day	$ 56.00
2018	Swaps	3,500 bbls/day	$ 53.81
2019	Swaps	250 bbls/day	$ 51.00

NGLs (C2-Ethane)
2017	Swaps	3,000 bbls/day	$ 0.27/gallon
2018	Swaps	124 bbls/day	$ 0.29/gallon

NGLs (C3-Propane)
2017	Swaps	13,895 bbls/day	$ 0.57/gallon
2018	Swaps	7,199 bbls/day	$0.65/gallon

NGLs (NC4-Normal Butane)
2017	Swaps	7,750 bbls/day	$ 0.74/gallon
2018	Swaps	4,250 bbls/day	$ 0.81/gallon

NGLs (C5-Natural Gasoline)
2017	Swaps	5,250 bbls/day	$ 1.06/gallon
2018	Swaps	1,500 bbls/day	$ 1.19/gallon

⁽¹⁾ Includes derivative instruments assumed in connection with the MRD Merger.

⁽²⁾Weighted average deferred premium is ($0.32).

⁽³⁾ Weighted average deferred premium is $0.31.

Every derivative instrument is required to be recorded on the balance sheet as either an asset or a liability measured at its fair value. If the derivative does not qualify as a hedge or is not designated as a hedge, changes in fair value of these non-hedge derivatives are recognized in earnings as derivative fair value income or loss.

Basis Swap Contracts

In addition to the swaps above, at March 31, 2017, we had natural gas basis swap contracts which lock in the differential between NYMEX and certain of our physical pricing indices primarily in Appalachia. These contracts settle monthly through October 2018 and include a total volume of 68,830,000 Mmbtu. The fair value of these contracts was a loss of $20.4 million on March 31, 2017.

At March 31, 2017, we also had propane spread swap contracts which lock in the differential between Mont Belvieu and international propane indices. The contracts settle monthly through December 2018 and include a total volume of 1,641,000 barrels in 2017 and 750,000 barrels in 2018. The fair value of these contracts was a gain of $491,000 on March 31, 2017.

Freight Swap Contracts

In connection with our international propane spread swaps, at March 31, 2017, we had freight swap contracts which lock in the freight rate for a specific trade route on the Baltic Exchange. These contracts settle monthly in fourth quarter 2017 through December 2018 and cover 5,000 metric tons per month with a fair value gain of $116,000 on March 31, 2017.

Derivative Assets and Liabilities

The combined fair value of derivatives included in the accompanying consolidated balance sheets as of March 31, 2017 and December 31, 2016 is summarized below. The assets and liabilities are netted where derivatives with both gain and loss positions are held by a single counterparty and we have master netting arrangements. The tables below provide additional information relating to our master netting arrangements with our derivative counterparties (in thousands):

		March 31, 2017
		Gross Amounts of Recognized Assets		Gross Amounts Offset in the Balance Sheet			Net Amounts of Assets Presented in the Balance Sheet
Derivative assets:
Natural gas	–swaps	$	28,756	$	(19,019	)	$	9,737
	–basis swaps		905		(3,330	)		(2,425	)
	–collars		9,650		(1,435	)		8,215
	–puts		19,563		(4,609	)		14,954
	–calls		—		(531	)		(531	)
Crude oil	–swaps		14,026		(1,532	)		12,494
NGLs	–C2 ethane swaps		507		(251	)		256
	–C3 propane swaps		4,531		(4,892	)		(361	)
	–C3 propane spread swaps		11,812		(11,812	)		—
	–NC4 butane swaps		6,970		(3,258	)		3,712
	–C5 natural gasoline swaps		2,405		(2,211	)		194
Freight	–swaps		116		(116	)		—
		$	99,241	$	(52,996	)	$	46,245

		March 31, 2017
		Gross Amounts of Recognized (Liabilities)			Gross Amounts Offset in the Balance Sheet		Net Amounts of (Liabilities) Presented in the Balance Sheet
Derivative liabilities:
Natural gas	–swaps	$	(55,204	)	$	19,019	$	(36,185	)
	–basis swaps		(21,287	)		3,330		(17,957	)
	–collars		—			1,435		1,435
	–puts		—			4,609		4,609
	–calls		(531	)		531		—
Crude oil	–swaps		(1,308	)		1,532		224
NGLs	–C2 ethane swaps		(137	)		251		114
	–C3 propane swaps		(12,164	)		4,892		(7,272	)
	–C3 propane spread swaps		(11,321	)		11,812		491
	–NC4 butane swaps		(3,395	)		3,258		(137	)
	–C5 natural gasoline swaps		(4,877	)		2,211		(2,666	)
Freight	–swaps		—			116		116
		$	(110,224	)	$	52,996	$	(57,228	)

		December 31, 2016
		Gross Amounts of Recognized Assets		Gross Amounts Offset in the Balance Sheet			Net Amounts of Assets Presented in the Balance Sheet
Derivative assets:
Natural gas	–swaps	$	13,213	$	(11,425	)	$	1,788
	–basis swaps		12,535		(9,437	)		3,098
	–collars		6,298		(6,298	)		—
	–puts		18,159		(15,429	)		2,730
Crude oil	–swaps		9,356		(3,489	)		5,867
NGLs	–C2 ethane swaps		53		(53	)		—
	–C3 propane spread swaps		17,396		(17,396	)		—
	–NC4 butane swaps		4		(4	)		—
Freight	–swaps		65		(65	)		—
		$	77,079	$	(63,596	)	$	13,483

		December 31, 2016
		Gross Amounts of Recognized (Liabilities)			Gross Amounts Offset in the Balance Sheet		Net Amounts of (Liabilities) Presented in the Balance Sheet
Derivative liabilities:
Natural gas	–swaps	$	(158,359	)	$	11,425	$	(146,934	)
	–basis swaps		(687	)		9,437		8,750
	–collars		(2,625	)		6,298		3,673
	–puts		—			15,429		15,429
	–calls		(1,041	)		—		(1,041	)
Crude oil	–swaps		(13,206	)		3,489		(9,717	)
NGLs	–C2 ethane swaps		(1,008	)		53		(955	)
	–C3 propane swaps		(32,437	)		—		(32,437	)
	–C3 propane spread swaps		(18,138	)		17,396		(742	)
	–NC4 butane swaps		(13,419	)		4		(13,415	)
	–C5 natural gasoline swaps		(12,176	)		—		(12,176	)
Freight	–swaps		—			65		65
		$	(253,096	)	$	63,596	$	(189,500	)

The effects of our derivatives on our consolidated statements of operations are summarized below (in thousands):


		Three Months Ended March 31,
		Derivative Fair Value Income (Loss)
		2017			2016
Commodity swaps	$	166,752		$	79,644
Collars		9,475			—
Puts		6,707			—
Calls		510			—
Basis swaps		(17,972	)		7,275
Freight swaps		85			(11	)
Total	$	165,557		$	86,908

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

(13) FAIR VALUE MEASUREMENTS

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. There are three approaches for measuring the fair value of assets and liabilities: the market approach, the income approach and the cost approach, each of which includes multiple valuation techniques. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities. The income approach uses valuation techniques to measure fair value by converting future amounts, such as cash flows or earnings, into a single present value amount using current market expectations about those future amounts. The cost approach is based on the amount that would currently be required to replace the service capacity of an asset. This is often referred to as current replacement cost. The cost approach assumes that the fair value would not exceed what it would cost a market participant to acquire or construct a substitute asset of comparable utility, adjusted for obsolescence.

The fair value accounting standards do not prescribe which valuation technique should be used when measuring fair value and do not prioritize among the techniques. These standards establish a fair value hierarchy that prioritizes the inputs used in applying the various valuation techniques. Inputs broadly refer to the assumptions that market participants use to make pricing decisions, including assumptions about risk. Level 1 inputs are given the highest priority in the fair value hierarchy while Level 3 inputs are given the lowest priority. The three levels of the fair value hierarchy are as follows:

•

Level 1 – Observable inputs that reflect unadjusted quoted prices for identical assets or liabilities in active markets as of the reporting date. Active markets are those in which transactions for the asset or liability occur in sufficient frequency and volume to provide pricing information on an ongoing basis.

•

Level 2 – Observable market-based inputs or unobservable inputs that are corroborated by market data. These are inputs other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reporting date.

•

Level 3 – Unobservable inputs that are not corroborated by market data and may be used with internally developed methodologies that result in management’s best estimate of fair value.

Valuation techniques that maximize the use of observable inputs are favored. Assets and liabilities are classified in their entirety based on the lowest priority level of input that is significant to the fair value measurement. The assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement of assets and liabilities within the levels of the fair value hierarchy.

Significant uses of fair value measurements include:

•

impairment assessments of long-lived assets;

•

impairment assessments of goodwill; and

•

recorded value of derivative instruments.

The need to test long-lived assets and goodwill can be based on several indicators, including a significant reduction in prices of natural gas, oil and condensate, NGLs, sustained declines in our common stock, unfavorable adjustments to reserves, significant changes in the expected timing of production, other changes to contracts or changes in the regulatory environment in which a property is located.

Fair Values – Recurring

We use a market approach for our recurring fair value measurements and endeavor to use the best information available. The following tables present the fair value hierarchy table for assets and liabilities measured at fair value, on a recurring basis (in thousands):

	Fair Value Measurements at March 31, 2017 using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total Carrying Value as of March 31, 2017
Trading securities held in the deferred compensation plans	$	67,075	$	—		$	—	$	67,075
Derivatives –swaps		—		(19,890	)		—		(19,890	)
–collars		—		9,650			—		9,650
–puts		—		19,563			—		19,563
–calls		—		(531	)		—		(531	)
–basis swaps		—		(19,891	)		—		(19,891	)
–freight swaps		—		116			—		116

		Fair Value Measurements at December 31, 2016 Using:
		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total Carrying Value as of December 31, 2016
Trading securities held in the deferred compensation plans		$	61,717	$	—		$	—	$	61,717
Derivatives	–swaps		—		(207,979	)		—		(207,979	)
	–collars		—		3,673			—		3,673
	–puts		—		18,159			—		18,159
	–calls		—		(1,041	)		—		(1,041	)
	–basis swaps		—		11,106			—		11,106
	–freight swaps		—		65			—		65

Our trading securities in Level 1 are exchange-traded and measured at fair value with a market approach using end of period market values. Derivatives in Level 2 are measured at fair value with a market approach using third-party pricing services, which have been corroborated with data from active markets or broker quotes.

Our trading securities held in the deferred compensation plan are accounted for using the mark-to-market accounting method and are included in other assets in the accompanying consolidated balance sheets. We elected to adopt the fair value option to simplify our accounting for the investments in our deferred compensation plan. Interest, dividends, and mark-to-market gains or losses are included in deferred compensation plan expense in the accompanying consolidated statements of operations. For first quarter 2017, interest and dividends were $118,000 and the mark-to-market adjustment was a gain of $1.5 million compared to interest and dividends of $136,000 and a mark-to-market gain of $259,000 in first quarter 2016.

Fair Values—Non-recurring

Our proved natural gas and oil properties are reviewed for impairment periodically as events or changes in circumstances indicate the carrying amount may not be recoverable. In first quarter 2016, due to declines in commodity prices, there were indicators that the carrying value of certain of our oil and gas properties may be impaired and undiscounted future cash flows attributed to these assets indicated their carrying amounts were not expected to be recovered. Their remaining fair value was measured using an income approach based upon internal estimates of future production levels, prices, drilling and operating costs and discount rates, which are Level 3 measurements. We also considered the potential sale of certain of these properties. We recorded non-cash charges during first quarter 2016 of $43.0 million related to our natural gas and oil properties in Western Oklahoma. Our estimates of future cash flows attributable to our natural gas and oil properties could decline further with commodity prices which may result in additional impairment charges. There were no impairment charges in first quarter 2017. The following table presents the value of these assets measured at fair value on a non-recurring basis at the time impairment was recorded (in thousands):


		Three Months Ended
		March 31, 2016
		Fair Value		Impairment
Natural gas and oil properties	$	90,150	$	43,040

Fair Values—Reported

The following table presents the carrying amounts and the fair values of our financial instruments as of March 31, 2017 and December 31, 2016 (in thousands):

	March 31, 2017						December 31, 2016
	Carrying Value			Fair Value			Carrying Value			Fair Value
Assets:
Commodity swaps, options and basis swaps	$	46,245		$	46,245		$	13,483		$	13,483
Marketable securities ^(a)		67,075			67,075			61,717			61,717
(Liabilities):
Commodity swaps, options and basis swaps		(57,228	)		(57,228	)		(189,500	)		(189,500	)
Bank credit facility ^(b)		(846,000	)		(846,000	)		(882,000	)		(882,000	)
5.75% senior notes due 2021 ^(b)		(475,952	)		(490,231	)		(475,952	)		(496,180	)
5.00% senior notes due 2022 ^(b)		(580,032	)		(573,507	)		(580,032	)		(577,132	)
5.875% senior notes due 2022 ^(b)		(329,244	)		(338,298	)		(329,244	)		(343,648	)
Other senior notes due 2022 ^(b)		(590	)		(575	)		(1,090	)		(1,104	)
5.00% senior notes due 2023 ^(b)		(741,514	)		(730,391	)		(741,514	)		(735,026	)
4.875% senior notes due 2025 ^(b)		(750,000	)		(714,375	)		(750,000	)		(724,688	)
5.75% senior subordinated notes due 2021 ^(b)		(22,214	)		(22,131	)		(22,214	)		(22,325	)
5.00% senior subordinated notes due 2022 ^(b)		(19,054	)		(18,649	)		(19,054	)		(18,387	)
5.00% senior subordinated notes due 2023 ^(b)		(7,712	)		(7,538	)		(7,712	)		(7,645	)
Deferred compensation plan ^(c)		(128,805	)		(128,805	)		(139,580	)		(139,580	)

^(a)	Marketable securities, which are held in our deferred compensation plans, are actively traded on major exchanges.

^(b)	The book value of our bank debt approximates fair value because of its floating rate structure. The fair value of our senior notes and our senior subordinated notes is based on end of period market quotes which are Level 2 inputs.

^(c)	The fair value of our deferred compensation plan is updated at the closing price on the balance sheet date which is a Level 1 input.

Our current assets and liabilities contain financial instruments, the most significant of which are trade accounts receivable and payable. We believe the carrying values of our current assets and liabilities approximate fair value. Our fair value assessment incorporates a variety of considerations, including (1) the short-term duration of the instruments and (2) our historical and expected incurrence of bad debt expense. Non-financial liabilities initially measured at fair value include asset retirement obligations. For additional information, see Note 10.

Concentrations of Credit Risk

As of March 31, 2017, our primary concentrations of credit risk are the risks of not collecting accounts receivable and the risk of a counterparty’s failure to perform under derivative obligations. Most of our receivables are from a diverse group of companies, including major energy companies, pipeline companies, local distribution companies, financial institutions and end-users in various industries. Letters of credit or other appropriate securities are obtained as deemed necessary to limit our risk of loss. Our allowance for uncollectable receivables was $5.6 million at both March 31, 2017 and December 31, 2016. As of March 31, 2017, our derivative contracts consist of swaps and options. Our derivative exposure to credit risk is diversified primarily among major investment grade financial institutions, where we have master netting agreements which provide for offsetting payables against receivables from separate derivative contracts. To manage counterparty risk associated with our derivatives, we select and monitor our counterparties based on our assessment of their financial strength and/or credit ratings. We may also limit the level of exposure with any single counterparty. At March 31, 2017, our derivative counterparties include twenty-two financial institutions, of which all but five are secured lenders in our bank credit facility. At March 31, 2017, our net derivative liability includes a net payable to these five counterparties that are not participants in our bank credit facility of $5.9 million.

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Stock-based Compensation Plans

3 Months Ended

Mar. 31, 2017

Stock-based Compensation Plans

(14) STOCK-BASED COMPENSATION PLANS

Stock-Based Awards

We have one active equity-based stock plan, our Amended and Restated 2005 Equity-Based Incentive Compensation Plan, which we refer to as the 2005 Plan. Under this plan, various awards may be issued to non-employee directors and employees pursuant to decisions of the Compensation Committee, which is composed of only non-employee, independent directors. In 2005, we granted SARs which represent the right to receive a payment equal to the excess of the fair market value of shares of our common stock on the date the right is exercised over the value of the stock on the date of grant. All SARs granted under the 2005 Plan will be settled in shares of stock, vest over a three-year period and have a maximum term of five years from the date they are granted. In 2011, the Compensation Committee of the Board of Directors began granting restricted stock units under this plan. These restricted stock units, which we refer to as restricted stock Equity Awards, vest over a three-year period. All awards granted have been issued at prevailing market prices at the time of grant and the vesting of these shares is based upon an employee’s continued employment with us, with the exception of employment termination due to death, disability or retirement.

In 2014, the Compensation Committee also began granting market-based performance share unit (“TSR”) awards under our 2005 Plan. The number of shares to be issued is determined by our total shareholder return compared to the total shareholder return of a predetermined group of peer companies over the performance period. The grant date fair value of the PSU-TSR awards is determined using a Monte Carlo simulation and is recognized as stock-based compensation expense over the three-year performance period. The actual payout of shares granted depends on our total shareholder return compared to our peer companies and will be between zero and 150%, unless our return is negative in which case the payout is capped at 100%. In first quarter 2017, the Compensation Committee also began granting performance-based unit awards based on production growth per share (“RGPS”) and reserve growth per share (“PGPS”). The number of shares to be issued depends on our level of success in achieving specifically identified performance targets. The grant date fair value is determined by the market value of our stock on the grant date and is recognized as stock-based compensation expense over the three-year performance period. The actual payout of shares granted will be between zero and 150%.

The Compensation Committee also grants restricted stock to certain employees and non-employee directors of the Board of Directors as part of their compensation. Upon grant of these restricted shares, which we refer to as restricted stock Liability Awards, the shares generally are placed in our deferred compensation plan and, upon vesting, employees are allowed to take withdrawals either in cash or in stock based on their distribution elections. Compensation expense is recognized over the vesting period, which is typically three years for employee grants and immediate vesting for non-employee directors. All restricted stock awards are issued at prevailing market prices at the time of the grant and vesting is based upon an employee’s continued employment with us, with the exception of employment termination due to death, disability or retirement. Prior to vesting, all restricted stock awards have the right to vote such shares and receive dividends thereon. These Liability Awards are classified as a liability and are remeasured at fair value each reporting period. This mark-to-market adjustment is reported as deferred compensation plan expense in the accompanying consolidated statements of operations.

Total Stock-Based Compensation Expense

Stock-based compensation represents amortization of restricted stock, PSUs and SARs expense. Unlike the other forms of stock-based compensation, the mark-to-market adjustment of the liability related to the vested restricted stock held in our deferred compensation plan is directly tied to the change in our stock price and not directly related to the functional expenses and therefore, is not allocated to the functional categories. The following table details the allocation of stock-based compensation to functional expense categories (in thousands):

		Three Months Ended March 31,
		2017		2016
Direct operating expense	$	524	$	588
Brokered natural gas and marketing expense		263		516
Exploration expense		507		690
General and administrative expense		10,918		11,113
Termination costs		1,742		—
Total stock-based compensation	$	13,954	$	12,907

Market-Based TSR Awards

The following is a summary of our non-vested TSR awards outstanding at March 31, 2017:

	Number of Units			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2016		395,908		$	44.39
Units granted ^(a)		83,247			28.31
Units vested		(61,943	)		51.20
Units forfeited		(3,679	)		44.21
Outstanding at March 31, 2017		413,533		$	40.14

^(a) Amounts granted reflect the number of performance units granted; however, the actual payout of shares will be between zero and 150% of the performance units granted depending on the total shareholder return ranking compared to the peer companies at the end of the three-year performance period.

The following assumptions were used to estimate the fair value of TSR’s granted during first quarter 2017 and 2016:

		Three Months Ended March 31,
		2017			2016
Risk-free interest rate		1.52	%		0.85	%
Expected annual volatility		44.6	%		51.7	%
Weighted average grant date fair value per unit	$	28.31		$	30.47

We recorded TSR compensation expense of $3.1 million in first quarter 2017 compared to $2.5 million in the same period of 2016.

Performance-Based PGPS/RGPS Awards

The following is a summary of our non-vested PGPS/RGPS awards outstanding at March 31, 2017:


	Number of Units			Weighted Average Grant Date Fair Value of Range Stock
Outstanding at December 31, 2016	—			—
Units granted ^(a)	28,851		$	27.23
Units vested	(1,079	)		27.23
Outstanding at March 31, 2017	27,772		$	27.23

^(a) Amounts granted reflect the number of performance units granted; however, the actual payout of shares will be between zero and 150% depending on achievement of specifically identified performance targets.

We recorded PGPS/RGPS compensation expense of $6,000 in first quarter 2017.

Restricted Stock Awards

Equity Awards

In first quarter 2017, we granted 870,000 restricted stock Equity Awards to employees at an average grant price of $32.98 compared to 927,000 restricted stock Equity Awards granted to employees at an average grant price of $28.04 in first quarter 2016. These awards generally vest over a three-year period. We recorded compensation expense for these Equity Awards of $6.0 million in first quarter 2017 compared to $5.8 million in the same period of 2016. Equity Awards are not issued to employees until they are vested. Employees do not have the option to receive cash.

Liability Awards

In first quarter 2017, we granted 66,000 shares of restricted stock Liability Awards as compensation to employees at an average price of $32.67 with vesting over a three-year period. In first quarter 2016, we granted 136,000 shares of Liability Awards as compensation to employees at an average price of $28.40 with vesting generally over a three-year period. We recorded compensation expense for Liability Awards of $2.7 million in first quarter 2017 compared to $3.7 million in the same period of 2016. Substantially all of these awards are held in our deferred compensation plan, are classified as a liability and are remeasured at fair value at the end of each reporting period. This mark-to-market adjustment is reported as deferred compensation expense in our consolidated statements of operations (see additional discussion below). The following is a summary of the status of our non-vested restricted stock outstanding at March 31, 2017:

	Equity Awards					Liability Awards
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2016		765,971		$	33.62		425,018		$	43.48
Granted		870,326			32.98		66,078			32.67
Vested		(162,647	)		36.88		(67,973	)		50.56
Forfeited		(52,069	)		33.74		—			—
Outstanding at March 31, 2017		1,421,581		$	32.85		423,123		$	40.65

Stock Appreciation Right Awards

There were 908,000 SARs outstanding at March 31, 2017. Information with respect to SARs activity is summarized below:

	Shares			Weighted Average Exercise Price
Outstanding at December 31, 2016		1,003,600		$	69.08
Exercised		—			—
Expired/forfeited		(95,877	)		62.91
Outstanding at March 31, 2017		907,723		$	69.70

Deferred Compensation Plan

Our deferred compensation plan gives non-employee directors and officers the ability to defer all or a portion of their salaries, bonuses or director fees and invest in Range common stock or make other investments at the individual’s discretion. Range provides a partial matching contribution to officers which vests over three years. The assets of the plan are held in a grantor trust, which we refer to as the Rabbi Trust, and are therefore available to satisfy the claims of our general creditors in the event of bankruptcy or insolvency. Our stock held in the Rabbi Trust is treated as a liability award as employees are allowed to take withdrawals from the Rabbi Trust either in cash or in Range stock. The liability for the vested portion of the stock held in the Rabbi Trust is reflected as deferred compensation liability in the accompanying consolidated balance sheets and is adjusted to fair value each reporting period by a charge or credit to deferred compensation plan expense on our consolidated statements of operations. The assets of the Rabbi Trust, other than our common stock, are invested in marketable securities and reported at their market value as other assets in the accompanying consolidated balance sheets. The deferred compensation liability reflects the vested market value of the marketable securities and Range stock held in the Rabbi Trust. Changes in the market value of the marketable securities and changes in the fair value of the deferred compensation plan liability are charged or credited to deferred compensation plan expense each quarter. We recorded mark-to-market gain of $13.2 million in first quarter 2017 compared to mark-to-market loss of $16.1 million in first quarter 2016. The Rabbi Trust held 2.7 million shares (2.2 million of which were vested) of Range stock at March 31, 2017 compared to 2.7 million shares (2.3 million of which were vested) at December 31, 2016.

Supplemental Cash Flow Elements [Abstract]

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References + Details

Supplemental Cash Flow Information

3 Months Ended

Mar. 31, 2017

Supplemental Cash Flow Information

(15) SUPPLEMENTAL CASH FLOW INFORMATION

	Three Months Ended March 31,
	2017			2016
	(in thousands)
Net cash provided from operating activities included:
Income taxes refunded from taxing authorities	$	—		$	73
Interest paid		(43,864	)		(37,117	)
Non-cash investing and financing activities included:
Increase in asset retirement costs capitalized		1,715			1,015
Increase in accrued capital expenditures		39,569			9,719

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2017
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	(16) COMMITMENTS AND CONTINGENCIES Litigation We are the subject of, or party to, a number of pending or threatened legal actions, administrative proceedings and claims arising in the ordinary course of our business. While many of these matters involve inherent uncertainty, we believe that the amount of the liability, if any, ultimately incurred with respect to these actions, proceedings or claims will not have a material adverse effect on our consolidated financial position as a whole or on our liquidity, capital resources or future annual results of operations. We estimate and provide for potential losses that may arise out of litigation and regulatory proceedings to the extent that such losses are probable and can be reasonably estimated. We will continue to evaluate our litigation and regulatory proceedings quarterly and will establish and adjust any estimated liability as appropriate to reflect our assessment of the then current status of litigation and regulatory proceedings. Significant judgment is required in making these estimates and our final liabilities may ultimately be materially different. Transportation and Gathering Contracts In first quarter 2017, our transportation and gathering commitments increased by approximately $437.4 million over the next twenty-two years (through 2038) primarily due to extension of terms and pricing changes for current contracts.

Office Closing and Termination Costs

3 Months Ended

Mar. 31, 2017

Restructuring And Related Activities [Abstract]

Office Closing and Termination Costs

(17) OFFICE CLOSING AND TERMINATION COSTS

In first quarter 2017, we have recorded additional accruals for severance, other personnel costs and accelerated vesting of stock-based compensation as part of a continuing effort to reduce our general and administrative expenses due, in part, to the lower commodity price environment. The following summarizes our termination costs for the three months ended March 31, 2017 and 2016 (in thousands):

	Three Months Ended March 31,
		2017		2016
Severance costs	$	2,422	$	—
Building lease		28		162
Stock-based compensation		1,742		—
Total termination costs	$	4,192	$	162

The following details our accrued liability as of March 31, 2017 (in thousands):

		March 31, 2017
Beginning balance at December 31, 2016	$	2,460
Accrued severance costs		2,422
Accrued building rent		28
Payments		(437	)
Ending balance at March 31, 2017	$	4,473

Capitalized Costs and Accumulated Depreciation, Depletion and Amortization

3 Months Ended

Mar. 31, 2017

Capitalized Costs and Accumulated Depreciation, Depletion and Amortization

(18) Capitalized Costs and Accumulated Depreciation, Depletion and Amortization ^(a)

	March 31, 2017			December 31, 2016
	(in thousands)
Natural gas and oil properties:
Properties subject to depletion	$	9,610,244		$	9,462,350
Unproved properties		2,941,103			2,923,803
Total		12,551,347			12,386,153
Accumulated depreciation, depletion and amortization		(3,191,483	)		(3,129,816	)
Net capitalized costs	$	9,359,864		$	9,256,337

^(a)	Includes capitalized asset retirement costs and the associated accumulated amortization.

Costs Incurred for Property Acquisition, Exploration and Development

3 Months Ended

Mar. 31, 2017

Costs Incurred for Property Acquisition, Exploration and Development

(19) Costs Incurred for Property Acquisition, Exploration and Development ^(a)

	Three Months Ended March 31, 2017		Year Ended December 31, 2016
	(in thousands)
Acquisitions:
Acreage purchases	$	25,425	$	33,142
Oil and gas properties		—		3,098,772
Asset retirement obligations		—		21,908
Development		227,177		497,795
Exploration:
Drilling		500		37,680
Expense		7,997		30,027
Stock-based compensation expense		507		2,298
Gas gathering facilities:
Development		1,455		3,595
Subtotal		263,061		3,725,217
Asset retirement obligations		1,715		(24,064	)
Total costs incurred	$	264,776	$	3,701,153

^(a)

Includes costs incurred whether capitalized or expensed.

New Accounting Standards (Tables)

3 Months Ended

Mar. 31, 2017

New Accounting Pronouncements And Changes In Accounting Principles [Abstract]

Summary of Adjustments to Quarterly Data Resulting from Adoption of New Standard

		Three Months Ended March 31, 2016
		As Reported			As Adjusted
	(unaudited)
Statements of Operations
Income tax benefit	$	(44,038	)	$	(41,976	)
Net loss		(91,710	)		(93,772	)
Basic earnings per share		(0.55	)		(0.56	)
Diluted earnings per share		(0.55	)		(0.56	)

		As Reported		As Adjusted
		Net cash provided from operating activities		Net cash provided from operating activities
Three months ended March 31, 2016	$	87,424	$	90,785
Six months ended June 30, 2016		169,604		173,201
Nine months ended September 30, 2016		202,037		205,837

		As Reported			As Adjusted
		Net cash used in financing activities			Net cash used in financing activities
Three months ended March 31, 2016	$	(72,473	)	$	(75,834	)
Six months ended June 30, 2016		(95,411	)		(99,008	)
Nine months ended September 30, 2016		(35,229	)		(39,029	)

Acquisitions and Dispositions (Tables)

3 Months Ended

Mar. 31, 2017

Business Combinations [Abstract]

Summary of Preliminary Purchase Price Allocation

The following table sets forth our preliminary purchase price allocation (in thousands, except shares and stock price):

Purchase price:
Shares of Range common stock issued to Memorial stockholders		77,042,749
Range common stock price per share at September 15, 2016 (close)	$	39.37
Total purchase price	$	3,033,173

Plus fair value of liabilities assumed by Range:
Accounts payable	$	55,624
Other current liabilities		114,426
Long-term debt		1,204,449
Deferred taxes		547,348
Other long-term liabilities		77,223
Total purchase price plus liabilities assumed	$	5,032,243

Fair value of Memorial assets:
Cash and equivalents	$	7,180
Other current assets		97,875
Derivative instruments		152,994
Natural gas and oil properties:
Proved property		1,117,011
Unproved property		1,999,187
Other property and equipment		3,579
Goodwill ^(a)		1,654,292
Other		125
Total asset value	$	5,032,243

^(a)Goodwill will not be deductible for income tax purposes.

Summary of Pro Forma Financial Information

The pro forma condensed combined financial information is not necessarily indicative of the results that might have actually occurred had the MRD Merger taken place on January 1, 2015. In addition, the pro forma financial information below is not intended to be a projection of future results (in thousands, except per share amounts).


	Three Months Ended
		March 31, 2016
Revenues	$	448,933
Net loss	$	(74,616	)

Loss per share:
Basic	$	(0.31	)
Diluted	$	(0.31	)

Income Taxes (Tables)

3 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

Income Tax Expense (Benefit)

Income tax expense (benefit) was as follows (dollars in thousands):

		Three Months Ended March 31,
		2017			2016
Income tax expense (benefit)	$	112,395		$	(41,976	)
Effective tax rate		39.8	%		30.9	%

Summary of Differences In Effective Tax Rate and Federal Statutory Rate Due to State Income Taxes and Other Tax Items

For first quarter 2017 and 2016, our overall effective tax rate was different than the federal statutory rate of 35% due primarily to state income taxesand other tax items which are detailed below (dollars in thousands).

	Three Months Ended March 31,
		2017			2016
Total income (loss) before income taxes	$	282,506		$	(135,748	)
U.S. federal statutory rate		35	%		35	%
Total tax expense (benefit) at statutory rate		98,877			(47,512	)

State and local income taxes, net of federal benefit		8,982			(4,432	)
Non-deductible executive compensation		140			236
Tax less than book equity compensation		2,524			5,266
Change in valuation allowances:
Federal net operating loss carryforwards & other		856			—
State net operating loss carryforwards & other		2,086			4,490
Rabbi trust		(1,122	)		(51	)
Permanent differences and other		52			27
Total expense (benefit) for income taxes	$	112,395		$	(41,976	)
Effective tax rate		39.8	%		30.9	%

Income (Loss) Per Common Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Computations of Basic and Diluted Loss Per Common Share

		Three Months Ended March 31,
		2017			2016
Net income (loss), as reported	$	170,111		$	(93,772	)
Participating earnings ^(a)		(1,882	)		(56	)
Basic net income (loss) attributed to common shareholders		168,229			(93,828	)
Reallocation of participating earnings ^(a)		1			—
Diluted net income (loss) attributed to common shareholders	$	168,230		$	(93,828	)
Net income (loss) per common share:
Basic	$	0.69		$	(0.56	)
Diluted	$	0.69		$	(0.56	)

^(a)

Basic Weighted Average Common Shares Outstanding to Diluted Weighted Average Common Shares Outstanding

The following table provides a reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding (in thousands):

	Three Months Ended March 31,
	2017	2016
Weighted average common shares outstanding – basic ⁽¹⁾	244,652	166,803
Effect of dilutive securities:
Director and employee PSUs and RSUs	151	—
Weighted average common shares outstanding – diluted	244,803	166,803

⁽¹⁾ 2017 includes common stock issued in connection with the exchange of 77.0 million shares for all outstanding Memorial common stock on September 16, 2016.

Suspended Exploratory Well Costs (Tables)

3 Months Ended

Mar. 31, 2017

Suspended Exploratory Well Costs

The following table reflects the change in capitalized exploratory well costs for the three months ended March 31, 2017 and the year ended December 31, 2016 (in thousands):

		March 31, 2017			December 31, 2016
Balance at beginning of period	$	7,412		$	4,161
Additions to capitalized exploratory well costs pending the determination of proved reserves		872			9,128
Reclassifications to wells, facilities and equipment based on determination of proved reserves		—			(5,877	)
Balance at end of period		8,284			7,412
Less exploratory well costs that have been capitalized for a period of one year or less		(8,284	)		(7,412	)
Capitalized exploratory well costs that have been capitalized for a period greater than one year	$	—		$	—
Number of projects that have exploration well costs that have been capitalized greater than one year		—			—

Indebtedness (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Debt Outstanding


		March 31, 2017			December 31, 2016
Bank debt (2.5%)	$	846,000		$	882,000
Senior notes:
4.875% senior notes due 2025		750,000			750,000
5.00% senior notes due 2023		741,514			741,514
5.00% senior notes due 2022		580,032			580,032
5.75% senior notes due 2021		475,952			475,952
5.875% senior notes due 2022		329,244			329,244
Other senior notes due 2022		590			1,090
Total senior notes		2,877,332			2,877,832
Senior subordinated notes:
5.00% senior subordinated notes due 2023		7,712			7,712
5.00% senior subordinated notes due 2022		19,054			19,054
5.75% senior subordinated notes due 2021		22,214			22,214
Total senior subordinated notes		48,980			48,980
Total debt		3,772,312			3,808,812
Unamortized premium		6,960			7,258
Unamortized debt issuance costs		(40,477	)		(42,553	)
Total debt net of debt issuance costs	$	3,738,795		$	3,773,517

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2017

Asset Retirement Obligation

A reconciliation of our liability for plugging and abandonment costs for the three months ended March 31, 2017 is as follows (in thousands):

	Three Months Ended March 31, 2017
Beginning of period	$	257,943
Acquisition of wells		—
Liabilities incurred		1,645
Liabilities settled		(2,360	)
Disposition of wells		(2,402	)
Accretion expense		3,744
Change in estimate		69
End of period		258,639
Less current portion		(7,271	)
Long-term asset retirement obligations	$	251,368

Capital Stock (Tables)

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

Capital Stock

The following is a schedule of changes in the number of common shares outstanding since the beginning of 2016:

	Three Months Ended March 31, 2017		Year Ended December 31, 2016
Beginning balance		247,144,356		169,316,460
MRD Merger		—		77,042,749
Restricted stock grants		66,078		490,609
Restricted stock units vested		302,383		266,541
PSU-TSR units settled		19,960		—
Shares retired		—		(739	)
Treasury shares issued		4,000		28,736
Ending balance		247,536,777		247,144,356

Derivative Activities (Tables)

3 Months Ended

Mar. 31, 2017

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivative Volumes Hedged and Average Hedge Prices

The following table sets forth our commodity-based derivative volumes by year as of March 31, 2017, excluding our basis and freight swaps which are discussed separately below:

Period	Contract Type	Volume Hedged	Weighted Average Hedge Price
Natural Gas
2017	Swaps ⁽¹⁾	844,245 Mmbtu/day	$ 3.19
2018	Swaps	417,260 Mmbtu/day	$ 3.25
2017	Collars ⁽¹⁾	123,818 Mmbtu/day	$ 3.46–$ 4.12
2018	Collars	7,397 Mmbtu/day	$ 3.40–$ 3.75
2017	Purchased Puts ⁽¹⁾	178,909 Mmbtu/day	$ 3.49 ⁽²⁾
2017	Sold Calls	9,041 Mmbtu/day	$ 3.75 ⁽³⁾

Crude Oil
2017	Swaps ⁽¹⁾	8,782 bbls/day	$ 56.00
2018	Swaps	3,500 bbls/day	$ 53.81
2019	Swaps	250 bbls/day	$ 51.00

NGLs (C2-Ethane)
2017	Swaps	3,000 bbls/day	$ 0.27/gallon
2018	Swaps	124 bbls/day	$ 0.29/gallon

NGLs (C3-Propane)
2017	Swaps	13,895 bbls/day	$ 0.57/gallon
2018	Swaps	7,199 bbls/day	$0.65/gallon

NGLs (NC4-Normal Butane)
2017	Swaps	7,750 bbls/day	$ 0.74/gallon
2018	Swaps	4,250 bbls/day	$ 0.81/gallon

NGLs (C5-Natural Gasoline)
2017	Swaps	5,250 bbls/day	$ 1.06/gallon
2018	Swaps	1,500 bbls/day	$ 1.19/gallon

⁽¹⁾ Includes derivative instruments assumed in connection with the MRD Merger.

⁽²⁾Weighted average deferred premium is ($0.32).

⁽³⁾ Weighted average deferred premium is $0.31.

Combined Fair Value of Derivatives, by Consolidated Balance Sheets

		March 31, 2017
		Gross Amounts of Recognized Assets		Gross Amounts Offset in the Balance Sheet			Net Amounts of Assets Presented in the Balance Sheet
Derivative assets:
Natural gas	–swaps	$	28,756	$	(19,019	)	$	9,737
	–basis swaps		905		(3,330	)		(2,425	)
	–collars		9,650		(1,435	)		8,215
	–puts		19,563		(4,609	)		14,954
	–calls		—		(531	)		(531	)
Crude oil	–swaps		14,026		(1,532	)		12,494
NGLs	–C2 ethane swaps		507		(251	)		256
	–C3 propane swaps		4,531		(4,892	)		(361	)
	–C3 propane spread swaps		11,812		(11,812	)		—
	–NC4 butane swaps		6,970		(3,258	)		3,712
	–C5 natural gasoline swaps		2,405		(2,211	)		194
Freight	–swaps		116		(116	)		—
		$	99,241	$	(52,996	)	$	46,245

		March 31, 2017
		Gross Amounts of Recognized (Liabilities)			Gross Amounts Offset in the Balance Sheet		Net Amounts of (Liabilities) Presented in the Balance Sheet
Derivative liabilities:
Natural gas	–swaps	$	(55,204	)	$	19,019	$	(36,185	)
	–basis swaps		(21,287	)		3,330		(17,957	)
	–collars		—			1,435		1,435
	–puts		—			4,609		4,609
	–calls		(531	)		531		—
Crude oil	–swaps		(1,308	)		1,532		224
NGLs	–C2 ethane swaps		(137	)		251		114
	–C3 propane swaps		(12,164	)		4,892		(7,272	)
	–C3 propane spread swaps		(11,321	)		11,812		491
	–NC4 butane swaps		(3,395	)		3,258		(137	)
	–C5 natural gasoline swaps		(4,877	)		2,211		(2,666	)
Freight	–swaps		—			116		116
		$	(110,224	)	$	52,996	$	(57,228	)

		December 31, 2016
		Gross Amounts of Recognized Assets		Gross Amounts Offset in the Balance Sheet			Net Amounts of Assets Presented in the Balance Sheet
Derivative assets:
Natural gas	–swaps	$	13,213	$	(11,425	)	$	1,788
	–basis swaps		12,535		(9,437	)		3,098
	–collars		6,298		(6,298	)		—
	–puts		18,159		(15,429	)		2,730
Crude oil	–swaps		9,356		(3,489	)		5,867
NGLs	–C2 ethane swaps		53		(53	)		—
	–C3 propane spread swaps		17,396		(17,396	)		—
	–NC4 butane swaps		4		(4	)		—
Freight	–swaps		65		(65	)		—
		$	77,079	$	(63,596	)	$	13,483

		December 31, 2016
		Gross Amounts of Recognized (Liabilities)			Gross Amounts Offset in the Balance Sheet		Net Amounts of (Liabilities) Presented in the Balance Sheet
Derivative liabilities:
Natural gas	–swaps	$	(158,359	)	$	11,425	$	(146,934	)
	–basis swaps		(687	)		9,437		8,750
	–collars		(2,625	)		6,298		3,673
	–puts		—			15,429		15,429
	–calls		(1,041	)		—		(1,041	)
Crude oil	–swaps		(13,206	)		3,489		(9,717	)
NGLs	–C2 ethane swaps		(1,008	)		53		(955	)
	–C3 propane swaps		(32,437	)		—		(32,437	)
	–C3 propane spread swaps		(18,138	)		17,396		(742	)
	–NC4 butane swaps		(13,419	)		4		(13,415	)
	–C5 natural gasoline swaps		(12,176	)		—		(12,176	)
Freight	–swaps		—			65		65
		$	(253,096	)	$	63,596	$	(189,500	)

Effects of Derivatives on Consolidated Statements of Operations

The effects of our derivatives on our consolidated statements of operations are summarized below (in thousands):


		Three Months Ended March 31,
		Derivative Fair Value Income (Loss)
		2017			2016
Commodity swaps	$	166,752		$	79,644
Collars		9,475			—
Puts		6,707			—
Calls		510			—
Basis swaps		(17,972	)		7,275
Freight swaps		85			(11	)
Total	$	165,557		$	86,908

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Section 50
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Fair Value Hierarchy Table for Assets and Liabilities Measured at Fair Value

Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

	Fair Value Measurements at March 31, 2017 using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total Carrying Value as of March 31, 2017
Trading securities held in the deferred compensation plans	$	67,075	$	—		$	—	$	67,075
Derivatives –swaps		—		(19,890	)		—		(19,890	)
–collars		—		9,650			—		9,650
–puts		—		19,563			—		19,563
–calls		—		(531	)		—		(531	)
–basis swaps		—		(19,891	)		—		(19,891	)
–freight swaps		—		116			—		116

		Fair Value Measurements at December 31, 2016 Using:
		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total Carrying Value as of December 31, 2016
Trading securities held in the deferred compensation plans		$	61,717	$	—		$	—	$	61,717
Derivatives	–swaps		—		(207,979	)		—		(207,979	)
	–collars		—		3,673			—		3,673
	–puts		—		18,159			—		18,159
	–calls		—		(1,041	)		—		(1,041	)
	–basis swaps		—		11,106			—		11,106
	–freight swaps		—		65			—		65

Value of Assets Measured at Fair Value on Non Recurring Basis

The following table presents the value of these assets measured at fair value on a non-recurring basis at the time impairment was recorded (in thousands):


		Three Months Ended
		March 31, 2016
		Fair Value		Impairment
Natural gas and oil properties	$	90,150	$	43,040

Carrying Amounts and Fair Values of Financial Instruments

The following table presents the carrying amounts and the fair values of our financial instruments as of March 31, 2017 and December 31, 2016 (in thousands):

	March 31, 2017						December 31, 2016
	Carrying Value			Fair Value			Carrying Value			Fair Value
Assets:
Commodity swaps, options and basis swaps	$	46,245		$	46,245		$	13,483		$	13,483
Marketable securities ^(a)		67,075			67,075			61,717			61,717
(Liabilities):
Commodity swaps, options and basis swaps		(57,228	)		(57,228	)		(189,500	)		(189,500	)
Bank credit facility ^(b)		(846,000	)		(846,000	)		(882,000	)		(882,000	)
5.75% senior notes due 2021 ^(b)		(475,952	)		(490,231	)		(475,952	)		(496,180	)
5.00% senior notes due 2022 ^(b)		(580,032	)		(573,507	)		(580,032	)		(577,132	)
5.875% senior notes due 2022 ^(b)		(329,244	)		(338,298	)		(329,244	)		(343,648	)
Other senior notes due 2022 ^(b)		(590	)		(575	)		(1,090	)		(1,104	)
5.00% senior notes due 2023 ^(b)		(741,514	)		(730,391	)		(741,514	)		(735,026	)
4.875% senior notes due 2025 ^(b)		(750,000	)		(714,375	)		(750,000	)		(724,688	)
5.75% senior subordinated notes due 2021 ^(b)		(22,214	)		(22,131	)		(22,214	)		(22,325	)
5.00% senior subordinated notes due 2022 ^(b)		(19,054	)		(18,649	)		(19,054	)		(18,387	)
5.00% senior subordinated notes due 2023 ^(b)		(7,712	)		(7,538	)		(7,712	)		(7,645	)
Deferred compensation plan ^(c)		(128,805	)		(128,805	)		(139,580	)		(139,580	)

^(a)	Marketable securities, which are held in our deferred compensation plans, are actively traded on major exchanges.

^(b)	The book value of our bank debt approximates fair value because of its floating rate structure. The fair value of our senior notes and our senior subordinated notes is based on end of period market quotes which are Level 2 inputs.

^(c)	The fair value of our deferred compensation plan is updated at the closing price on the balance sheet date which is a Level 1 input.

Stock-based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2017

Allocation of Stock-Based Compensation by Functional Category

The following table details the allocation of stock-based compensation to functional expense categories (in thousands):

		Three Months Ended March 31,
		2017		2016
Direct operating expense	$	524	$	588
Brokered natural gas and marketing expense		263		516
Exploration expense		507		690
General and administrative expense		10,918		11,113
Termination costs		1,742		—
Total stock-based compensation	$	13,954	$	12,907

Schedule of Share Based Payment Award Performance Stock Awards Valuation Assumptions

The following assumptions were used to estimate the fair value of TSR’s granted during first quarter 2017 and 2016:

		Three Months Ended March 31,
		2017			2016
Risk-free interest rate		1.52	%		0.85	%
Expected annual volatility		44.6	%		51.7	%
Weighted average grant date fair value per unit	$	28.31		$	30.47

Restricted Stock and Restricted Stock Units Outstanding

The following is a summary of the status of our non-vested restricted stock outstanding at March 31, 2017:

	Equity Awards					Liability Awards
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2016		765,971		$	33.62		425,018		$	43.48
Granted		870,326			32.98		66,078			32.67
Vested		(162,647	)		36.88		(67,973	)		50.56
Forfeited		(52,069	)		33.74		—			—
Outstanding at March 31, 2017		1,421,581		$	32.85		423,123		$	40.65

Stock Option and SARs Activities

Information with respect to SARs activity is summarized below:

	Shares			Weighted Average Exercise Price
Outstanding at December 31, 2016		1,003,600		$	69.08
Exercised		—			—
Expired/forfeited		(95,877	)		62.91
Outstanding at March 31, 2017		907,723		$	69.70

Market-based TSR

Summary of Non-Vested Awards Activities

The following is a summary of our non-vested TSR awards outstanding at March 31, 2017:

	Number of Units			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2016		395,908		$	44.39
Units granted ^(a)		83,247			28.31
Units vested		(61,943	)		51.20
Units forfeited		(3,679	)		44.21
Outstanding at March 31, 2017		413,533		$	40.14

Performance-based PGPS/RGPS

Summary of Non-Vested Awards Activities

The following is a summary of our non-vested PGPS/RGPS awards outstanding at March 31, 2017:


	Number of Units			Weighted Average Grant Date Fair Value of Range Stock
Outstanding at December 31, 2016	—			—
Units granted ^(a)	28,851		$	27.23
Units vested	(1,079	)		27.23
Outstanding at March 31, 2017	27,772		$	27.23

Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

	Three Months Ended March 31,
	2017			2016
	(in thousands)
Net cash provided from operating activities included:
Income taxes refunded from taxing authorities	$	—		$	73
Interest paid		(43,864	)		(37,117	)
Non-cash investing and financing activities included:
Increase in asset retirement costs capitalized		1,715			1,015
Increase in accrued capital expenditures		39,569			9,719

Office Closing and Termination Costs (Tables)

3 Months Ended

Mar. 31, 2017

Restructuring And Related Activities [Abstract]

Summary of Termination Costs

The following summarizes our termination costs for the three months ended March 31, 2017 and 2016 (in thousands):

	Three Months Ended March 31,
		2017		2016
Severance costs	$	2,422	$	—
Building lease		28		162
Stock-based compensation		1,742		—
Total termination costs	$	4,192	$	162

Exit Costs Included in Accrued Liabilities in Consolidated Balance Sheet

The following details our accrued liability as of March 31, 2017 (in thousands):

		March 31, 2017
Beginning balance at December 31, 2016	$	2,460
Accrued severance costs		2,422
Accrued building rent		28
Payments		(437	)
Ending balance at March 31, 2017	$	4,473

Capitalized Costs and Accumulated Depreciation, Depletion and Amortization (Tables)

3 Months Ended

Mar. 31, 2017

Capitalized Costs and Accumulated Depreciation, Depletion and Amortization

	March 31, 2017			December 31, 2016
	(in thousands)
Natural gas and oil properties:
Properties subject to depletion	$	9,610,244		$	9,462,350
Unproved properties		2,941,103			2,923,803
Total		12,551,347			12,386,153
Accumulated depreciation, depletion and amortization		(3,191,483	)		(3,129,816	)
Net capitalized costs	$	9,359,864		$	9,256,337

^(a)	Includes capitalized asset retirement costs and the associated accumulated amortization.

Costs Incurred for Property Acquisition, Exploration and Development (Tables)

3 Months Ended

Mar. 31, 2017

Costs Incurred for Property Acquisition, Exploration and Development

	Three Months Ended March 31, 2017		Year Ended December 31, 2016
	(in thousands)
Acquisitions:
Acreage purchases	$	25,425	$	33,142
Oil and gas properties		—		3,098,772
Asset retirement obligations		—		21,908
Development		227,177		497,795
Exploration:
Drilling		500		37,680
Expense		7,997		30,027
Stock-based compensation expense		507		2,298
Gas gathering facilities:
Development		1,455		3,595
Subtotal		263,061		3,725,217
Asset retirement obligations		1,715		(24,064	)
Total costs incurred	$	264,776	$	3,701,153

^(a)

Includes costs incurred whether capitalized or expensed.

Basis of Presentation - Merger - Additional Information (Detail) - Memorial	Sep. 16, 2016 shares
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Common stock issued in connection with exchange of outstanding shares	77,042,749
Exchange ratio of common shares for acquired company	0.375

Basis of Presentation - Inventory - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Inventory [Line Items]
Inventory and other	$ 20,146	$ 26,573
Materials and supplies inventory
Inventory [Line Items]
Inventory and other	10,200	9,400
Commodity inventory
Inventory [Line Items]
Inventory and other	$ 2,400	$ 8,300

New Accounting Standards - Additional Information (Detail) - Accounting Standards Update 2016-09 $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)
New Accounting Pronouncement Early Adoption [Line Items]
Recognition of an excess tax deficiency in provision for income taxes rather than paid-in capital	$ 2.1
Cumulative-effect adjustments to retained earnings (deficit) and reduced deferred tax liability	$ 101.1

New Accounting Standards - Summary of Adjustments to Quarterly Data Resulting from Adoption of New Standard in Statements of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
New Accounting Pronouncement Early Adoption [Line Items]
Income tax benefit	$ 112,395	$ (41,976)
Net income (loss)	$ 170,111	$ (93,772)
Basic earnings per share	$ 0.69	$ (0.56)
Diluted earnings per share	$ 0.69	$ (0.56)
Accounting Standards Update 2016-09
New Accounting Pronouncement Early Adoption [Line Items]
Income tax benefit		$ (41,976)
Net income (loss)		$ (93,772)
Basic earnings per share		$ (0.56)
Diluted earnings per share		$ (0.56)
Accounting Standards Update 2016-09 \| As Reported
New Accounting Pronouncement Early Adoption [Line Items]
Income tax benefit		$ (44,038)
Net income (loss)		$ (91,710)
Basic earnings per share		$ (0.55)
Diluted earnings per share		$ (0.55)

New Accounting Standards - Summary of Adjustments to Quarterly Data Resulting from Adoption of New Standard in Statements of Cash Flows (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016	Sep. 30, 2016
New Accounting Pronouncement Early Adoption [Line Items]
Net cash provided from operating activities	$ 225,862	$ 90,785
Net cash used in financing activities	$ (32,510)	(75,834)
Accounting Standards Update 2016-09
New Accounting Pronouncement Early Adoption [Line Items]
Net cash provided from operating activities		90,785	$ 173,201	$ 205,837
Net cash used in financing activities		(75,834)	(99,008)	(39,029)
Accounting Standards Update 2016-09 \| As Reported
New Accounting Pronouncement Early Adoption [Line Items]
Net cash provided from operating activities		87,424	169,604	202,037
Net cash used in financing activities		$ (72,473)	$ (95,411)	$ (35,229)

Acquisitions and Dispositions - Acquisitions - Additional Information (Detail) - MRD $ in Thousands		3 Months Ended	6 Months Ended
	Sep. 16, 2016 USD ($) shares	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Business merger date		Sep. 16, 2016
Common stock issued in connection with exchange of outstanding shares \| shares	77,042,749
Exchange ratio of common shares for acquired company	0.375
Fair value of outstanding debt	$ 1,204,449
Merger-related expenses			$ 37,200
Revenues		$ 129,100
Net operating income		$ 83,400

Acquisitions and Dispositions - Summary of Preliminary Purchase Price Allocation (Details) - USD ($)
$ / shares in Units, $ in Thousands

Sep. 16, 2016

Mar. 31, 2017

Dec. 31, 2016

Natural gas and oil properties:

Goodwill

$ 1,654,292

MRD

Purchase price:

Shares of Range common stock issued to Memorial stockholders

77,042,749

Range common stock price per share at September 15, 2016 (close)

$ 39.37

Total purchase price

$ 3,033,173

Plus fair value of liabilities assumed by Range:

Accounts payable

55,624

Other current liabilities

114,426

Long-term debt

1,204,449

Deferred taxes

547,348

Other long-term liabilities

77,223

Total purchase price plus liabilities assumed

5,032,243

Fair value of Memorial assets:

Cash and equivalents

7,180

Other current assets

97,875

Derivative instruments

152,994

Natural gas and oil properties:

Proved property

1,117,011

Unproved property

1,999,187

Other property and equipment

3,579

Goodwill

^[1]

1,654,292

Other

125

Total asset value

$ 5,032,243

[1]	Goodwill will not be deductible for income tax purposes.

Acquisitions and Dispositions - Summary of Pro Forma Financial Information (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares
Business Combinations [Abstract]
Revenues \| $	$ 448,933
Net loss \| $	$ (74,616)
Loss per share:
Basic \| $ / shares	$ (0.31)
Diluted \| $ / shares	$ (0.31)

Acquisitions and Dispositions - Dispositions - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
(Loss) gain on the sale of assets	$ 22,600,000	$ (1,643,000)
Western Oklahoma Properties
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
(Loss) gain on the sale of assets	22,500,000
Proceeds from sale of oil and gas properties	26,000,000
Miscellaneous Proved, Unproved Properties and Surface Acreage
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
(Loss) gain on the sale of assets	69,000	443,000
Proceeds from sale of oil and gas properties	$ 53,000	1,600,000
Northeast Pennsylvania Non-operated Interest
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
(Loss) gain on the sale of assets		(2,100,000)
Proceeds from sale of oil and gas properties		111,500,000
Mississippi and South Texas properties
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Proceeds from sale of oil and gas properties		$ 1,200,000

Income Taxes - Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Components Of Income Tax Expense Benefit Continuing Operations [Abstract]
Income tax expense (benefit)	$ 112,395	$ (41,976)
Effective tax rate	39.80%	30.90%

Income Taxes - Additional Information (Detail)	3 Months Ended
Income Taxes - Additional Information (Detail)	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Federal statutory rate	35.00%	35.00%

Income Taxes - Summary of Differences In Effective Tax Rate and Federal Statutory Rate Due to State Income Taxes and Other Tax Items (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Total income (loss) before income taxes	$ 282,506	$ (135,748)
U.S. federal statutory rate	35.00%	35.00%
Total tax expense (benefit) at statutory rate	$ 98,877	$ (47,512)
State and local income taxes, net of federal benefit	8,982	(4,432)
Non-deductible executive compensation	140	236
Tax less than book equity compensation	2,524	5,266
Change in valuation allowances:
Federal net operating loss carryforwards & other	856
State net operating loss carryforwards & other	2,086	4,490
Rabbi trust	(1,122)	(51)
Permanent differences and other	52	27
Total income tax expense (benefit)	$ 112,395	$ (41,976)
Effective tax rate	39.80%	30.90%

Income (Loss) Per Common Share - Computations of Basic and Diluted Loss Per Common Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Earnings Per Share Reconciliation [Abstract]

Net income (loss), as reported

$ 170,111

$ (93,772)

Participating earnings

^[1]

(1,882)

(56)

Basic net income (loss) attributed to common shareholders

168,229

(93,828)

Reallocation of participating earnings

^[1]

Diluted net income (loss) attributed to common shareholders

$ 168,230

$ (93,828)

Net income (loss) per common share:

Basic

$ 0.69

$ (0.56)

Diluted

$ 0.69

$ (0.56)

[1]

Income (Loss) Per Common Share - Basic Weighted Average Common Shares Outstanding to Diluted Weighted Average Common Shares Outstanding (Detail) - shares
shares in Thousands

3 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Earnings Per Share [Abstract]

Weighted average common shares outstanding – basic

^[1]

244,652

166,803

Effect of dilutive securities:

Director and employee PSUs and RSUs

151

Weighted average common shares outstanding – diluted

244,803

166,803

[1]	2017 includes common stock issued in connection with the exchange of 77.0 million shares for all outstanding Memorial common stock on September 16, 2016.

Income (Loss) Per Common Share - Basic Weighted Average Common Shares Outstanding to Diluted Weighted Average Common Shares Outstanding (Parenthetical) (Detail)	Sep. 16, 2016 shares
MRD
Earnings Per Share Basic [Line Items]
Common stock issued in connection with exchange of outstanding shares	77,042,749

Income (Loss) Per Common Share - Additional Information (Detail) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restricted Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Stock excluded from earning per share calculation	2,700,000	2,800,000
Stock Appreciation Rights (SARs)
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Stock excluded from earning per share calculation	941,000

Suspended Exploratory Well Costs - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Extractive Industries [Abstract]
Capitalized exploratory well costs that have been capitalized for a period greater than one year	$ 0	$ 0

Suspended Exploratory Well Costs - Suspended Exploratory Well Costs (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($) Project	Dec. 31, 2016 USD ($) Project
Extractive Industries [Abstract]
Balance at beginning of period	$ 7,412	$ 4,161
Additions to capitalized exploratory well costs pending the determination of proved reserves	872	9,128
Reclassifications to wells, facilities and equipment based on determination of proved reserves	0	(5,877)
Balance at end of period	8,284	7,412
Less exploratory well costs that have been capitalized for a period of one year or less	(8,284)	(7,412)
Capitalized exploratory well costs that have been capitalized for a period greater than one year	$ 0	$ 0
Number of projects that have exploration well costs that have been capitalized greater than one year \| Project	0	0

Indebtedness - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Interest capitalized during the period	$ 0	$ 0

Indebtedness - Debt Outstanding (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	May 31, 2015
Debt Instrument [Line Items]
Bank debt	$ 841,188	$ 876,428
Senior notes	2,877,332	2,877,832
Senior subordinated notes	48,980	48,980
Total debt	3,772,312	3,808,812
Unamortized premium	6,960	7,258
Unamortized debt issuance costs	(40,477)	(42,553)
Total debt net of debt issuance costs	3,738,795	3,773,517
2.5% Bank Debt \| Notes Payable to Banks
Debt Instrument [Line Items]
Bank debt	846,000	882,000
4.875% Senior Notes Due 2025
Debt Instrument [Line Items]
Senior notes	750,000	750,000	$ 750,000
5.00% Senior Notes Due 2023
Debt Instrument [Line Items]
Senior notes	741,514	741,514
5.00% Senior Notes Due 2022
Debt Instrument [Line Items]
Senior notes	580,032	580,032
5.75% Senior Notes Due 2021
Debt Instrument [Line Items]
Senior notes	475,952	475,952
5.875% Senior Notes Due 2022
Debt Instrument [Line Items]
Senior notes	329,244	329,244
Other Senior Notes Due 2022
Debt Instrument [Line Items]
Senior notes	590	1,090
5.00% Senior Subordinated Notes Due 2023
Debt Instrument [Line Items]
Senior subordinated notes	7,712	7,712
5.00% Senior Subordinated Notes Due 2022
Debt Instrument [Line Items]
Senior subordinated notes	19,054	19,054
5.75% Senior Subordinated Notes Due 2021
Debt Instrument [Line Items]
Senior subordinated notes	$ 22,214	$ 22,214

Indebtedness - Debt Outstanding (Parenthetical) (Detail)	Mar. 31, 2017	Dec. 31, 2016	May 31, 2015
4.875% Senior Notes Due 2025
Debt Instrument [Line Items]
Interest rate on notes	4.875%	4.875%	4.875%
5.00% Senior Notes Due 2023
Debt Instrument [Line Items]
Interest rate on notes	5.00%	5.00%
5.00% Senior Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.00%	5.00%
5.75% Senior Notes Due 2021
Debt Instrument [Line Items]
Interest rate on notes	5.75%	5.75%
5.875% Senior Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.875%	5.875%
5.00% Senior Subordinated Notes Due 2023
Debt Instrument [Line Items]
Interest rate on notes	5.00%	5.00%
5.00% Senior Subordinated Notes Due 2022
Debt Instrument [Line Items]
Interest rate on notes	5.00%	5.00%
5.75% Senior Subordinated Notes Due 2021
Debt Instrument [Line Items]
Interest rate on notes	5.75%	5.75%
Notes Payable to Banks \| 2.5% Bank Debt
Debt Instrument [Line Items]
Bank debt percentage	2.50%	2.50%

Indebtedness - Bank Debt - Additional Information (Detail) - Bank Credit Facility	3 Months Ended
	Mar. 31, 2017 USD ($) CommercialBank	Mar. 31, 2016	Mar. 21, 2017 USD ($)
Debt Instrument [Line Items]
Bank Credit facility, maximum amount	$ 4,000,000,000
Bank Credit facility, borrowing base			$ 3,000,000,000
Bank commitments			$ 2,000,000,000
Percentage holding of commercial banks, Maximum	5.80%
Number of commercial banks included in current bank group \| CommercialBank	29
Maturity date of loan	Oct. 16, 2019
Bank debt	$ 846,000,000
Undrawn letters of credit	279,700,000
Borrowing capacity available under the commitment amount	$ 874,300,000
Weighted average interest rate on the bank credit facility	2.40%	2.10%
Annual rate of commitment fee paid on the undrawn balance	0.30%
Alternate Base Rate
Debt Instrument [Line Items]
Interest rate margin	0.50%
LIBOR Rate
Debt Instrument [Line Items]
Interest rate margin	1.50%
Minimum
Debt Instrument [Line Items]
Annual rate of commitment fee paid on the undrawn balance	0.30%
Minimum \| Credit Facility
Debt Instrument [Line Items]
Annual rate of commitment fee paid on the undrawn balance	0.15%
Minimum \| Alternate Base Rate
Debt Instrument [Line Items]
Base rate on debt	0.25%
Minimum \| Alternate Base Rate \| Credit Facility
Debt Instrument [Line Items]
Base rate on debt	0.125%
Minimum \| LIBOR Rate
Debt Instrument [Line Items]
Base rate on debt	1.25%
Minimum \| LIBOR Rate \| Credit Facility
Debt Instrument [Line Items]
Base rate on debt	1.125%
Maximum
Debt Instrument [Line Items]
Annual rate of commitment fee paid on the undrawn balance	0.375%
Maximum \| Credit Facility
Debt Instrument [Line Items]
Annual rate of commitment fee paid on the undrawn balance	0.30%
Maximum \| Alternate Base Rate
Debt Instrument [Line Items]
Base rate on debt	1.25%
Maximum \| Alternate Base Rate \| Credit Facility
Debt Instrument [Line Items]
Base rate on debt	0.75%
Maximum \| LIBOR Rate
Debt Instrument [Line Items]
Base rate on debt	2.25%
Maximum \| LIBOR Rate \| Credit Facility
Debt Instrument [Line Items]
Base rate on debt	1.75%

Indebtedness - Senior Notes - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended
	May 31, 2015	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Aggregate principal amount		$ 2,877,332	$ 2,877,832
4.875% Senior Notes Due 2025
Debt Instrument [Line Items]
Aggregate principal amount	$ 750,000	$ 750,000	$ 750,000
Interest rate on notes	4.875%	4.875%	4.875%
Net proceeds after underwriting discounts and commissions	$ 737,400
Underwriting discounts and commissions	$ 12,600
Maximum redemption price of notes as percentage of principal amount	101.00%

Indebtedness - Senior Subordinated Notes - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2017
Subordinated Debt
Debt Instrument [Line Items]
Maximum redemption price of notes as percentage of principal amount	101.00%

Indebtedness - Guarantees and Debt Covenants - Additional Information (Detail) - Bank Credit Facility	3 Months Ended
	Mar. 31, 2017
Debt Instrument [Line Items]
Debt instrument, Covenant compliance	Our bank credit facility contains negative covenants that limit our ability, among other things, to pay cash dividends, incur additional indebtedness, sell assets, enter into certain hedging contracts, change the nature of our business or operations, merge, consolidate, or make certain investments. In addition, we are required to maintain a ratio of EBITDAX (as defined in the bank credit facility agreement) to cash interest expense of equal to or greater than 2.5 and a current ratio (as defined in the bank credit facility agreement) of no less than 1.0. In addition, the ratio of the present value of proved reserves (as defined in the credit agreement) to total debt must be equal to or greater than 1.5 until Range has two investment grade ratings. We were in compliance with applicable covenants under the bank credit facility at March 31, 2017.
Maximum
Debt Instrument [Line Items]
Ratio of debt to EBITDAX	250.00%
Present value of proved reserves to total debt	150.00%
Minimum
Debt Instrument [Line Items]
Current ratio	100.00%

Asset Retirement Obligations - Asset Retirement Obligations (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Asset Retirement Obligation [Abstract]
Beginning of period	$ 257,943
Acquisition of wells	0
Liabilities incurred	1,645
Liabilities settled	(2,360)
Disposition of wells	(2,402)
Accretion expense	3,744
Change in estimate	69
End of period	258,639
Less current portion	(7,271)	$ (7,271)
Long-term asset retirement obligations	$ 251,368

Capital Stock - Additional Information (Detail) - shares	Mar. 31, 2017	Dec. 31, 2016
Class Of Stock Disclosures [Abstract]
Authorized capital stock	485,000,000	485,000,000
Common stock, shares authorized	475,000,000	475,000,000
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0

Capital Stock (Detail) - shares	3 Months Ended	12 Months Ended
Capital Stock (Detail) - shares	Mar. 31, 2017	Dec. 31, 2016
Class Of Stock [Line Items]
Beginning balance	247,144,356	169,316,460
Restricted stock grants	66,078	490,609
Restricted stock units vested	302,383	266,541
PSU-TSR units settled	19,960	0
Shares retired	0	(739)
Treasury shares issued	4,000	28,736
Ending balance	247,536,777	247,144,356
MRD
Class Of Stock [Line Items]
MRD Merger	0	77,042,749

Derivative Activities - Additional Information (Detail)

Mar. 31, 2017

USD ($)

MMBTU / d

t_per_M

MMBTU

bbl

Derivatives Excluding Basis Swaps and Freight Swaps

Natural Gas | Basis Swaps

$ 8,800,000

Natural Gas | Swaps | 2017

$ (20,400,000)

Volume Hedged | MMBTU

68,830,000

Natural Gas | Swaps | 2018

844,245

^[1]

417,260

Propane | Spread Swaps

Propane | Spread Swaps | 2017

$ 491,000

Propane | Spread Swaps | 2018

Volume Hedged | bbl

1,641,000

Volume Hedged | bbl

750,000

Freight | Swaps

Natural Gas | Swaps | 2017

$ 116,000

Volume Hedged | t_per_M

5,000

[1]	Includes derivative instruments assumed in connection with the MRD Merger.

Derivative Activities - Derivative Volumes Hedged and Average Hedge Prices (Detail)

Mar. 31, 2017

MMBTU / d

bbl / d

$ / MMBTU

$ / bbl

$ / gal

844,245

^[1]

Natural Gas | Swaps | 2018

3.19

^[1]

417,260

Natural Gas | Collars | 2017

3.25

Weighted Average Floor Price | $ / MMBTU

123,818

^[1]

3.46

^[1]

Weighted Average Cap Price | $ / MMBTU

4.12

^[1]

Natural Gas | Collars | 2018

Weighted Average Floor Price | $ / MMBTU

7,397

3.40

Weighted Average Cap Price | $ / MMBTU

3.75

Natural Gas | Purchased Puts | 2017

178,909

^[1]

Natural Gas | Sold Calls | 2017

3.49

^[1],[2]

9,041

3.75

^[3]

Crude Oil | Swaps | 2017

Weighted Average Hedge Price | $ / bbl

8,782

^[1]

56.00

^[1]

Crude Oil | Swaps | 2018

Weighted Average Hedge Price | $ / bbl

3,500

53.81

Crude Oil | Swaps | 2019

Weighted Average Hedge Price | $ / bbl

250

51.00

Commodity Contract NGLs (C2 - Ethane) | Swaps | 2017

3,000

Commodity Contract NGLs (C2 - Ethane) | Swaps | 2018

0.27

124

Commodity Contract NGLs (C3 - Propane) | Swaps | 2017

0.29

13,895

Commodity Contract NGLs (C3 - Propane) | Swaps | 2018

0.57

7,199

Commodity Contract NGLs (NC4 - Normal Butane) | Swaps | 2017

0.65

7,750

Commodity Contract NGLs (NC4 - Normal Butane) | Swaps | 2018

0.74

4,250

Commodity Contract NGLs (C5 - Natural Gasoline) | Swaps | 2017

0.81

5,250

Commodity Contract NGLs (C5 - Natural Gasoline) | Swaps | 2018

1.06

1,500

1.19

[1]	Includes derivative instruments assumed in connection with the MRD Merger.
[2]	Weighted average deferred premium is ($0.32).
[3]	Weighted average deferred premium is $0.31.

Derivative Activities - Derivative Volumes Hedged and Average Hedge Prices (Parenthetical) (Detail) - Natural Gas - 2017	Mar. 31, 2017 $ / MMBTU
Purchased Puts
Derivative [Line Items]
Weighted average deferred premium - purchases	(0.32)
Sold Calls
Derivative [Line Items]
Weighted average deferred premium - sales	0.31

Derivative Activities - Schedule of Additional Information Related to Master Netting Arrangements with Derivative Counterparties (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Gross Amounts of Recognized Assets	$ 99,241	$ 77,079
Gross Amounts Offset in the Balance Sheet	(52,996)	(63,596)
Net Amounts of Assets Presented in the Balance Sheet	46,245	13,483
Gross Amounts of Recognized (Liabilities)	(110,224)	(253,096)
Gross Amounts Offset in the Balance Sheet	52,996	63,596
Net Amounts of (Liabilities) Presented in the Balance Sheet	(57,228)	(189,500)
Natural Gas \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	28,756	13,213
Gross Amounts Offset in the Balance Sheet	(19,019)	(11,425)
Net Amounts of Assets Presented in the Balance Sheet	9,737	1,788
Gross Amounts of Recognized (Liabilities)	(55,204)	(158,359)
Gross Amounts Offset in the Balance Sheet	19,019	11,425
Net Amounts of (Liabilities) Presented in the Balance Sheet	(36,185)	(146,934)
Natural Gas \| Basis Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	905	12,535
Gross Amounts Offset in the Balance Sheet	(3,330)	(9,437)
Net Amounts of Assets Presented in the Balance Sheet	(2,425)	3,098
Gross Amounts of Recognized (Liabilities)	(21,287)	(687)
Gross Amounts Offset in the Balance Sheet	3,330	9,437
Net Amounts of (Liabilities) Presented in the Balance Sheet	(17,957)	8,750
Natural Gas \| Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	9,650	6,298
Gross Amounts Offset in the Balance Sheet	(1,435)	(6,298)
Net Amounts of Assets Presented in the Balance Sheet	8,215	0
Gross Amounts of Recognized (Liabilities)	0	(2,625)
Gross Amounts Offset in the Balance Sheet	1,435	6,298
Net Amounts of (Liabilities) Presented in the Balance Sheet	1,435	3,673
Natural Gas \| Puts
Derivative [Line Items]
Gross Amounts of Recognized Assets	19,563	18,159
Gross Amounts Offset in the Balance Sheet	(4,609)	(15,429)
Net Amounts of Assets Presented in the Balance Sheet	14,954	2,730
Gross Amounts of Recognized (Liabilities)	0	0
Gross Amounts Offset in the Balance Sheet	4,609	15,429
Net Amounts of (Liabilities) Presented in the Balance Sheet	4,609	15,429
Natural Gas \| Calls
Derivative [Line Items]
Gross Amounts of Recognized Assets	0
Gross Amounts Offset in the Balance Sheet	(531)
Net Amounts of Assets Presented in the Balance Sheet	(531)
Gross Amounts of Recognized (Liabilities)	(531)	(1,041)
Gross Amounts Offset in the Balance Sheet	531	0
Net Amounts of (Liabilities) Presented in the Balance Sheet	0	(1,041)
Crude Oil \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	14,026	9,356
Gross Amounts Offset in the Balance Sheet	(1,532)	(3,489)
Net Amounts of Assets Presented in the Balance Sheet	12,494	5,867
Gross Amounts of Recognized (Liabilities)	(1,308)	(13,206)
Gross Amounts Offset in the Balance Sheet	1,532	3,489
Net Amounts of (Liabilities) Presented in the Balance Sheet	224	(9,717)
Commodity Contract NGLs (C2 - Ethane) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	507	53
Gross Amounts Offset in the Balance Sheet	(251)	(53)
Net Amounts of Assets Presented in the Balance Sheet	256	0
Gross Amounts of Recognized (Liabilities)	(137)	(1,008)
Gross Amounts Offset in the Balance Sheet	251	53
Net Amounts of (Liabilities) Presented in the Balance Sheet	114	(955)
Commodity Contract NGLs (C3 - Propane) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	4,531
Gross Amounts Offset in the Balance Sheet	(4,892)
Net Amounts of Assets Presented in the Balance Sheet	(361)
Gross Amounts of Recognized (Liabilities)	(12,164)	(32,437)
Gross Amounts Offset in the Balance Sheet	4,892	0
Net Amounts of (Liabilities) Presented in the Balance Sheet	(7,272)	(32,437)
Commodity Contract NGLs (C3 - Propane) \| Spread Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	11,812	17,396
Gross Amounts Offset in the Balance Sheet	(11,812)	(17,396)
Net Amounts of Assets Presented in the Balance Sheet	0	0
Gross Amounts of Recognized (Liabilities)	(11,321)	(18,138)
Gross Amounts Offset in the Balance Sheet	11,812	17,396
Net Amounts of (Liabilities) Presented in the Balance Sheet	491	(742)
Commodity Contract NGLs (NC4 - Normal Butane) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	6,970	4
Gross Amounts Offset in the Balance Sheet	(3,258)	(4)
Net Amounts of Assets Presented in the Balance Sheet	3,712	0
Gross Amounts of Recognized (Liabilities)	(3,395)	(13,419)
Gross Amounts Offset in the Balance Sheet	3,258	4
Net Amounts of (Liabilities) Presented in the Balance Sheet	(137)	(13,415)
Commodity Contract NGLs (C5 - Natural Gasoline) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	2,405
Gross Amounts Offset in the Balance Sheet	(2,211)
Net Amounts of Assets Presented in the Balance Sheet	194
Gross Amounts of Recognized (Liabilities)	(4,877)	(12,176)
Gross Amounts Offset in the Balance Sheet	2,211	0
Net Amounts of (Liabilities) Presented in the Balance Sheet	(2,666)	(12,176)
Freight \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	116	65
Gross Amounts Offset in the Balance Sheet	(116)	(65)
Net Amounts of Assets Presented in the Balance Sheet	0	0
Gross Amounts of Recognized (Liabilities)	0	0
Gross Amounts Offset in the Balance Sheet	116	65
Net Amounts of (Liabilities) Presented in the Balance Sheet	$ 116	$ 65

Derivative Activities - Effects of Derivatives on Consolidated Statements of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Derivative [Line Items]
Derivative Fair Value Income (Loss)	$ 165,557	$ 86,908
Collars
Derivative [Line Items]
Derivative Fair Value Income (Loss)	9,475	0
Puts
Derivative [Line Items]
Derivative Fair Value Income (Loss)	6,707	0
Calls
Derivative [Line Items]
Derivative Fair Value Income (Loss)	510	0
Basis Swaps
Derivative [Line Items]
Derivative Fair Value Income (Loss)	(17,972)	7,275
Commodity \| Swaps
Derivative [Line Items]
Derivative Fair Value Income (Loss)	166,752	79,644
Freight \| Swaps
Derivative [Line Items]
Derivative Fair Value Income (Loss)	$ 85	$ (11)

Fair Value Measurements - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2017 USD ($) Counterparty	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest and dividends	$ 118,000	$ 136,000
Mark-to-market gain (loss)	1,500,000	259,000
Impairment on natural gas and oil properties	0	43,040,000
Allowance for doubtful accounts on accounts receivable	$ 5,558,000		$ 5,559,000
Number of financial institutions included in counter parties \| Counterparty	22
Number of counterparties \| Counterparty	5
Net derivative liability	$ 5,900,000
Western Oklahoma
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment on natural gas and oil properties	$ 0	$ 43,040,000

Fair Value Measurements - Value of Assets Measured at Fair Value on Non Recurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment of proved properties and other assets	$ 0	$ 43,040
Fair Value, Measurements, Nonrecurring \| Natural Gas and Oil Properties
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value		90,150
Impairment of proved properties and other assets		$ 43,040

Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($)
$ in Thousands

Mar. 31, 2017

Dec. 31, 2016

Carrying Value

Assets:

$ 46,245

$ 13,483

Marketable securities

^[1]

67,075

61,717

Deferred compensation plan

(57,228)

(189,500)

Bank credit facility

^[2]

(846,000)

(882,000)

^[3]

(128,805)

(139,580)

Carrying Value | 5.75% Senior Notes Due 2021

Carrying Value | 5.00% Senior Notes Due 2022

^[2]

(475,952)

Carrying Value | 5.875% Senior Notes Due 2022

^[2]

(580,032)

Carrying Value | Other Senior Notes Due 2022

^[2]

(329,244)

Carrying Value | 5.00% Senior Notes Due 2023

^[2]

(590)

(1,090)

Carrying Value | 4.875% Senior Notes Due 2025

^[2]

(741,514)

Carrying Value | 5.75% Senior Subordinated Notes Due 2021

^[2]

(750,000)

Carrying Value | 5.00% Senior Subordinated Notes Due 2022

^[2]

(22,214)

Carrying Value | 5.00% Senior Subordinated Notes Due 2023

^[2]

(19,054)

^[2]

(7,712)

Fair Value

Assets:

46,245

13,483

Marketable securities

^[1]

67,075

61,717

Deferred compensation plan

(57,228)

(189,500)

Bank credit facility

^[2]

(846,000)

(882,000)

^[3]

(128,805)

(139,580)

Fair Value | 5.75% Senior Notes Due 2021

Fair Value | 5.00% Senior Notes Due 2022

^[2]

(490,231)

(496,180)

Fair Value | 5.875% Senior Notes Due 2022

^[2]

(573,507)

(577,132)

Fair Value | Other Senior Notes Due 2022

^[2]

(338,298)

(343,648)

Fair Value | 5.00% Senior Notes Due 2023

^[2]

(575)

(1,104)

Fair Value | 4.875% Senior Notes Due 2025

^[2]

(730,391)

(735,026)

Fair Value | 5.75% Senior Subordinated Notes Due 2021

^[2]

(714,375)

(724,688)

Fair Value | 5.00% Senior Subordinated Notes Due 2022

^[2]

(22,131)

(22,325)

Fair Value | 5.00% Senior Subordinated Notes Due 2023

^[2]

(18,649)

(18,387)