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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2017	Nov. 02, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	CRK
Entity Registrant Name	COMSTOCK RESOURCES INC
Entity Central Index Key	0000023194
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		15,427,561

CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and Cash Equivalents	$ 25,392	$ 65,904
Accounts Receivable:
Oil and gas sales	24,693	19,339
Joint interest operations	9,703	3,105
Derivative Financial Instruments	3,203
Other Current Assets	2,494	1,824
Total current assets	65,485	90,172
Property and Equipment:
Oil and gas properties, successful efforts method	3,900,858	3,797,101
Other	19,609	19,590
Accumulated depreciation, depletion and amortization	(3,087,279)	(3,018,029)
Net property and equipment	833,188	798,662
Other Assets	934	1,040
Total Assets	899,607	889,874
LIABILITIES AND STOCKHOLDERS' DEFICIT
Accounts Payable	92,298	45,311
Derivative Financial Instruments		6,030
Accrued Expenses	19,929	40,366
Total current liabilities	112,227	91,707
Long-term Debt	1,089,719	1,044,506
Deferred Income Taxes	10,007	9,126
Reserve for Future Abandonment Costs	16,098	15,804
Total liabilities	1,228,051	1,161,143
Commitments and Contingencies
Stockholders' Deficit:
Common stock — $0.50 par, 75,000,000 shares authorized, 15,427,561 and 13,937,627 shares outstanding at September 30, 2017 and December 31, 2016, respectively	7,714	6,969
Common stock warrants	3,557	5,672
Additional paid-in capital	545,228	531,924
Accumulated deficit	(884,943)	(815,834)
Total stockholders' deficit	(328,444)	(271,269)
Total liabilities and stockholders' deficit	$ 899,607	$ 889,874

CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2017	Dec. 31, 2016
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.50	$ 0.50
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares outstanding	15,427,561	13,937,627

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Natural gas sales	$ 56,164	$ 36,852	$ 147,541	$ 87,726
Oil sales	10,647	13,478	34,542	39,482
Total oil and gas sales	66,811	50,330	182,083	127,208
Operating expenses:
Production taxes	1,490	1,556	3,730	4,069
Gathering and transportation	4,755	3,829	12,428	12,219
Lease operating	9,359	12,301	28,681	38,249
Exploration		76,391		84,144
Depreciation, depletion and amortization	32,807	37,545	93,009	112,410
General and administrative	6,174	4,188	19,134	15,426
Impairment of oil and gas properties		113		24,573
Loss on sale of oil and gas properties	1,036	13,196	1,060	14,103
Total operating expenses	55,621	149,119	158,042	305,193
Operating income (loss)	11,190	(98,789)	24,041	(177,985)
Other income (expenses):
Gain on extinguishment of debt		100,540		190,116
Gain from derivative financial instruments	1,430		14,585	674
Other income	170	175	398	770
Interest expense	(37,595)	(31,227)	(107,250)	(90,053)
Total other income (expenses)	(35,995)	69,488	(92,267)	101,507
Loss before income taxes	(24,805)	(29,301)	(68,226)	(76,478)
Benefit from (provision for) income taxes	69	825	(883)	(3,723)
Net loss	$ (24,736)	$ (28,476)	$ (69,109)	$ (80,201)
Net loss per share – basic and diluted	$ (1.67)	$ (2.32)	$ (4.74)	$ (7.13)
Weighted average shares outstanding – basic and diluted	14,796	12,293	14,591	11,255

CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIT (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock	Common Stock Warrants	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2016	$ (271,269)	$ 6,969	$ 5,672	$ 531,924	$ (815,834)
Beginning Balance, Shares at Dec. 31, 2016		13,938,000
Stock-based compensation	4,455	$ 225		4,230
Stock-based compensation, Shares		451,000
Tax withholdings related to equity awards	(312)	$ (16)		(296)
Tax withholdings related to equity awards, Shares		(34,000)
Common stock issued for debt conversions	7,789	$ 412		7,377
Common stock issued for debt conversions, Shares		826,000
Common stock warrants exercised	$ 2	$ 124	(2,115)	1,993
Common stock warrants exercised, Shares	246,793	247,000
Net loss	$ (69,109)				(69,109)
Ending Balance at Sep. 30, 2017	$ (328,444)	$ 7,714	$ 3,557	$ 545,228	$ (884,943)
Ending Balance, Shares at Sep. 30, 2017		15,428,000

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (69,109)	$ (80,201)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Deferred income taxes	768	3,687
Loss on sale of oil and gas properties	1,060	14,103
Exploratory lease impairments		84,144
Impairment of oil and gas properties		24,573
Depreciation, depletion and amortization	93,009	112,410
Gain on derivative financial instruments	(14,585)	(674)
Cash settlements of derivative financial instruments	5,352	2,120
Gain on extinguishment of debt		(190,116)
Amortization of debt discount, premium and issuance costs	24,914	6,413
Interest paid in-kind	28,194	2,576
Stock-based compensation	4,455	3,571
Decrease (increase) in accounts receivable	(11,952)	101
Decrease (increase) in other current assets	(670)	18
Increase (decrease) in accounts payable and accrued expenses	29,327	(37,443)
Net cash provided by (used for) operating activities	90,763	(54,718)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(132,493)	(41,142)
Proceeds from sales of oil and gas properties	1,528	2,067
Net cash used for investing activities	(130,965)	(39,075)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments to retire debt		(3,397)
Common stock warrants exercised	2	9
Debt and equity issuance costs		(9,928)
Tax withholdings related to equity awards	(312)	(313)
Net cash used for financing activities	(310)	(13,629)
Net decrease in cash and cash equivalents	(40,512)	(107,422)
Cash and cash equivalents, beginning of period	65,904	134,006
Cash and cash equivalents, end of period	$ 25,392	$ 26,584

Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES —

Basis of Presentation

In management's opinion, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the financial position of Comstock Resources, Inc. and subsidiaries ("Comstock" or the "Company") as of September 30, 2017, the related results of operations for the three months and nine months ended September 30, 2017 and 2016, and cash flows for the nine months ended September 30, 2017 and 2016. Net loss and comprehensive loss are the same in all periods presented. All adjustments are of a normal recurring nature unless otherwise disclosed.

The accompanying unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and disclosures normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States have been omitted pursuant to those rules and regulations, although Comstock believes that the disclosures made are adequate to make the information presented not misleading. These unaudited consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in Comstock's Annual Report on Form 10-K for the year ended December 31, 2016.

The results of operations for the three months and nine months ended September 30, 2017 are not necessarily an indication of the results expected for the full year.

These unaudited consolidated financial statements include the accounts of Comstock and its wholly-owned subsidiaries.

Property and Equipment

The Company follows the successful efforts method of accounting for its oil and gas properties. Costs incurred to acquire oil and gas leasehold are capitalized.

In 2017, the Company entered agreements to jointly develop certain acreage prospective for the Haynesville shale in Louisiana and Texas with USG Properties Haynesville, LLC ("USG"). As of September 30, 2017, USG has acquired approximately 7,000 net acres prospective for Haynesville shale development for the joint development program primarily in Caddo Parish, Louisiana. The Company operates wells drilled on USG's acreage and has the right to acquire a 25% working interest in the acreage by reimbursing USG for the attributable acreage costs of the wells being drilled. USG is also participating in four wells being drilled in the Company's Bossier shale acreage in Sabine Parish, Louisiana and in a Haynesville shale drilling program on approximately 5,700 acres of Comstock's acreage in Harrison County, Texas. Under the terms of the participation agreements for Sabine Parish and Harrison County acreage owned by the Company, Comstock will receive between $1.1 million and $1.4 million, respectively, for 50% of Comstock's interest for each location for acreage and infrastructure related to each well location, with $400,000 of that amount being paid only if each well meets or exceeds established production targets. Comstock also receives $80,000 for each well drilled as consideration for the Company's services managing the joint drilling program in addition to customary operating fees for each well drilled except for the four Bossier shale wells. Comstock and USG plan to continue to acquire additional acreage for the joint development venture.

Comstock sold various oil and gas properties in the three months and nine months ended September 30, 2017 for total proceeds of $1.5 million and recognized a loss of $1.0 million on these divestitures. In January 2016, the Company designated certain of its natural gas properties located in South Texas as held for sale and recognized an impairment charge of $20.8 million in the nine months ended September 30, 2016 to adjust the carrying value of these assets to their estimated net realizable value. The sale of these properties was completed in December 2016. The Company also sold certain other oil and gas properties during the first nine months of 2016 for total proceeds of $2.1 million and recognized a loss of $1.6 million on these divestitures.

Results of operations for the properties that were sold or held for sale were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(In thousands)
Total oil and gas sales	$	6		$	2,644		$	392		$	6,551
Total operating expenses⁽¹⁾		(265	)		(1,541	)		(771	)		(5,670	)
Operating income (loss)	$	(259	)	$	1,103		$	(379	)	$	881

(1)

Includes direct operating expenses, depreciation, depletion and amortization and exploration expense. Excludes interest expense, general and administrative expenses and depreciation, depletion and amortization expense subsequent to the date the assets were designated as held for sale.

Unproved oil and gas properties are periodically assessed and any impairment in value is charged to exploration expense. The costs of unproved properties which are determined to be productive are transferred to oil and gas properties and amortized on an equivalent unit-of-production basis. The Company recognized impairments included in exploration expense of $76.4 million and $84.1 million in the three months and nine months ended September 30, 2016, respectively, related to leases that were expiring on certain of its unproved oil and gas properties.

The Company also assesses the need for an impairment of the capitalized costs for its proved oil and gas properties on a property basis. Accordingly, the Company recognized additional impairments of its oil and gas properties of $0.1 million and $24.6 million for the three months and nine months ended September 30, 2016, respectively, to reduce the carrying value of certain properties to their estimated fair value.

The Company determines the fair values of its oil and gas properties using a discounted cash flow model and proved and risk adjusted probable oil and natural gas reserves. Undrilled acreage can also be valued based on sales transactions in comparable areas. Significant Level 3 assumptions associated with the calculation of discounted future cash flows included in the cash flow model include management's outlook for oil and natural gas prices, production costs, capital expenditures, and future production as well as estimated proved oil and gas reserves and risk-adjusted probable oil and natural gas reserves. Management's oil and natural gas price outlook is developed based on third-party longer-term price forecasts as of each measurement date. The expected future net cash flows are discounted using an appropriate discount rate in determining a property's fair value.

It is reasonably possible that the Company's estimates of undiscounted future net cash flows attributable to its oil and gas properties may change in the future. The primary factors that may affect estimates of future cash flows include future adjustments, both positive and negative, to proved and appropriate risk-adjusted probable oil and gas reserves, results of future drilling activities, future prices for oil and natural gas, and increases or decreases in production and capital costs. As a result of these changes, there may be further impairments in the carrying values of these or other properties.

Accrued Expenses

Accrued expenses at September 30, 2017 and December 31, 2016 consist of the following:

	As of September 30, 2017		As of December 31, 2016
	(In thousands)
Accrued drilling costs	$	4,834	$	7,498
Accrued interest payable		4,016		22,721
Accrued transportation costs		3,005		2,227
Accrued employee compensation		3,841		6,292
Accrued ad valorem taxes		2,700		—
Other		1,533		1,628
	$	19,929	$	40,366

Reserve for Future Abandonment Costs

Comstock's asset retirement obligations relate to future plugging and abandonment expenses on its oil and gas properties and related facilities disposal. The following table summarizes the changes in Comstock's total estimated liability for such obligations during the nine months ended September 30, 2017 and 2016:

	Nine Months Ended September 30,
	2017			2016
	(In thousands)
Future abandonment costs — beginning of period	$	15,804		$	20,093
Accretion expense		645			716
New wells placed on production		5			2
Assets held for sale		—			(3,442	)
Liabilities settled and assets disposed of		(356	)		(1,217	)
Future abandonment costs — end of period	$	16,098		$	16,152

Derivative Financial Instruments and Hedging Activities

Comstock periodically uses swaps, floors and collars to hedge oil and natural gas prices and interest rates. Swaps are settled monthly based on differences between the prices specified in the instruments and the settlement prices of futures contracts. Generally, when the applicable settlement price is less than the price specified in the contract, Comstock receives a settlement from the counterparty based on the difference multiplied by the volume or amounts hedged. Similarly, when the applicable settlement price exceeds the price specified in the contract, Comstock pays the counterparty based on the difference. Comstock generally receives a settlement from the counterparty for floors when the applicable settlement price is less than the price specified in the contract, which is based on the difference multiplied by the volumes hedged. For collars, generally Comstock receives a settlement from the counterparty when the settlement price is below the floor and pays a settlement to the counterparty when the settlement price exceeds the cap. No settlement occurs when the settlement price falls between the floor and cap. All of the Company's derivative financial instruments are used for risk management purposes and, by policy, none are held for trading or speculative purposes. Comstock minimizes credit risk to counterparties of its derivative financial instruments through formal credit policies, monitoring procedures, and diversification. The Company is not required to provide any credit support to its counterparties other than cross collateralization with the assets securing its bank credit facility. None of the Company's derivative financial instruments involve payment or receipt of premiums. The Company classifies the fair value amounts of derivative financial instruments as net current or noncurrent assets or liabilities, whichever the case may be, by commodity and counterparty.

The Company had the following outstanding derivative financial instruments used for oil and natural gas price risk management at September 30, 2017:

Commodity and Derivative Type

Weighted-Average
Contract Price

Contract Volume
(MMBtu)

Contract Period

Natural Gas Swap Agreements

$3.38 per MMBtu

11,655,000

October 2017 – March 2018

None of the Company's derivative contracts were designated as cash flow hedges. The Company recognized cash settlements and changes in the fair value of its derivative financial instruments as a single component of other income (expenses). The Company recognized a gain of $1.4 million in the three months ended September 30, 2017, and $14.6 million and $0.7 million in the nine months ended September 30, 2017 and 2016, respectively, related to the change in fair value of its natural gas swap agreements. No gains or losses attributable to derivative financial instruments were recognized during the three months ended September 30, 2016.

Stock-Based Compensation

Comstock accounts for employee stock-based compensation under the fair value method. Compensation cost is measured at the grant date based on the fair value of the award and is recognized over the award vesting period. The Company recognized $1.7 million and $1.1 million of stock-based compensation expense within general and administrative expenses related to awards of restricted stock and performance stock units ("PSUs") to its employees and directors in the three months ended September 30, 2017 and 2016, respectively. For the nine months ended September 30, 2017 and 2016, the Company recognized $4.5 million and $3.6 million, respectively, of stock-based compensation expense within general and administrative expenses.

During the nine months ended September 30, 2017, the Company granted 500,002 shares of restricted stock with a grant date fair value of $5.6 million, or $11.11 per share, to its employees and directors. The fair value of each restricted share on the date of grant was equal to its market price. As of September 30, 2017, Comstock had 619,867 shares of unvested restricted stock outstanding at a weighted average grant date fair value of $11.14 per share. Total unrecognized compensation cost related to unvested restricted stock grants of $4.7 million as of September 30, 2017 is expected to be recognized over a period of 1.9 years.

During the nine months ended September 30, 2017, the Company granted 241,814 PSUs with a grant date fair value of $4.4 million, or $18.17 per unit, to its employees. As of September 30, 2017, Comstock had 281,800 PSUs outstanding at a weighted average grant date fair value of $17.12 per unit. The number of shares of common stock to be issued related to the PSUs is based on the Company's stock price performance as compared to its peers which could result in the issuance of anywhere from zero to 563,600 shares of common stock. Total unrecognized compensation cost related to these grants of $3.5 million as of September 30, 2017 is expected to be recognized over a period of 2.2 years.

Income Taxes

Deferred income taxes are provided to reflect the future tax consequences or benefits of differences between the tax basis of assets and liabilities and their reported amounts in the financial statements using enacted tax rates. The deferred tax provision in the first three months and nine months of 2017 related to adjustments to the valuation allowances on state net operating loss carryforwards. The deferred income tax provision for the first three months and nine months of 2016 related to an increase in the Company's deferred income tax liability resulting from certain state tax law changes enacted during the period. In recording deferred income tax assets, the Company considers whether it is more likely than not that some portion or all of its deferred income tax assets will be realized in the future. The ultimate realization of deferred income tax assets is dependent upon the generation of future taxable income during the periods in which those deferred income tax assets would be deductible. The Company believes that after considering all the available objective evidence, historical and prospective, with greater weight given to historical evidence, management is not able to determine that it is more likely than not that all of its deferred tax assets will be realized. As a result, the Company established valuation allowances for its deferred tax assets and U.S. federal and state net operating loss carryforwards that are not expected to be utilized due to the uncertainty of generating taxable income prior to the expiration of the carryforward periods.

The following is an analysis of consolidated income tax provision (benefit):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017		2016
	(In thousands)
Current - State	$	18		$	7		$	115	$	36
- Federal		—			—			—		—

Deferred - State		(87	)		(832	)		768		3,687
- Federal		—			—			—		—
	$	(69	)	$	(825	)	$	883	$	3,723

The difference between the Company's effective tax rate and the 35% federal statutory rate is caused by valuation allowances on deferred taxes and state taxes. The impact of these items varies based upon the Company's projected full year loss and the jurisdictions that are expected to generate the projected losses. The difference between the federal statutory rate of 35% and the effective tax rate on the income (loss) before income taxes is due to the following:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(In thousands)
Tax at statutory rate		35.0	%		35.0	%		35.0	%		35.0	%
Tax effect of:
Valuation allowance on deferred tax assets		(37.8	)		(45.0	)		(39.2	)		(47.8	)
State income taxes, net of federal benefit		3.8			12.4			4.1			7.8
Nondeductible stock-based compensation		(0.7	)		0.4			(1.1	)		—
Other		—			0.1			(0.1	)		—
Effective tax rate		0.3	%		2.9	%		(1.3	)%		(5.0	)%

The Company's federal income tax returns for the years subsequent to December 31, 2012, remain subject to examination. The Company's income tax returns in major state income tax jurisdictions remain subject to examination for various periods subsequent to December 31, 2011. The Company currently believes that all other significant filing positions are highly certain and that all of its other significant income tax positions and deductions would be sustained under audit or the final resolution would not have a material effect on the consolidated financial statements. Therefore, the Company has not established any significant reserves for uncertain tax positions.

Future use of the Company's federal and state net operating loss carryforwards may be limited in the event that a cumulative change in the ownership of Comstock's common stock by more than 50% occurs within a three-year period. Such a change in ownership could result in a substantial portion of the Company's net operating loss carryforwards being eliminated or becoming restricted. It is highly likely that a change in ownership that would result from the future conversion of the Company's convertible notes would result in limits on the future use of its net operating loss carryforwards.

Fair Value Measurements

The Company holds or has held certain items that are required to be measured at fair value. These include cash and cash equivalents held in bank accounts and derivative financial instruments in the form of oil and natural gas price swap agreements. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. A three-level hierarchy is followed for disclosure to show the extent and level of judgment used to estimate fair value measurements:

Level 1 — Inputs used to measure fair value are unadjusted quoted prices that are available in active markets for the identical assets or liabilities as of the reporting date.

Level 2 — Inputs used to measure fair value, other than quoted prices included in Level 1, are either directly or indirectly observable as of the reporting date through correlation with market data, including quoted prices for similar assets and liabilities in active markets and quoted prices in markets that are not active. Level 2 also includes assets and liabilities that are valued using models or other pricing methodologies that do not require significant judgment since the input assumptions used in the models, such as interest rates and volatility factors, are corroborated by readily observable data from actively quoted markets for substantially the full term of the financial instrument.

Level 3 — Inputs used to measure fair value are unobservable inputs that are supported by little or no market activity and reflect the use of significant management judgment. These values are generally determined using pricing models for which the assumptions utilize management's estimates of market participant assumptions.

The Company's valuation of cash and cash equivalents is a Level 1 measurement. The Company's natural gas price swap agreements are not traded on a public exchange. Their value is determined utilizing a discounted cash flow model based on inputs that are readily available in public markets and, accordingly, the valuation of these swap agreements is categorized as a Level 2 measurement.

The following table summarizes financial assets accounted for at fair value as of September 30, 2017:

	Carrying Value Measured at Fair Value at September 30, 2017		Level 1		Level 2
	(In thousands)
Assets measured at fair value on a recurring basis:
Cash and cash equivalents held in bank accounts	$	25,392	$	25,392	$	—
Derivative financial instruments		3,203		—		3,203
Total assets	$	28,595	$	25,392	$	3,203

As of September 30, 2017, the Company's other financial instruments, comprised solely of its fixed rate debt, had a carrying value of $1.1 billion and a fair value of $1.1 billion. The fair market value of the Company's fixed rate debt was based on quoted prices as of September 30, 2017, a Level 2 measurement.

Earnings Per Share

Basic earnings per share is determined without the effect of any outstanding potentially dilutive securities and diluted earnings per share is determined with the effect of any outstanding securities that are potentially dilutive. Unvested share-based payment awards containing nonforfeitable rights to dividends are considered to be participating securities and included in the computation of basic and diluted earnings per share pursuant to the two-class method. PSUs represent the right to receive a number of shares of the Company's common stock that may range from zero to up to two times the number of PSUs granted on the award date based on the achievement of certain performance measures during a performance period. The number of potentially dilutive shares related to PSUs is based on the number of shares, if any, which would be issuable at the end of the respective period, assuming that date was the end of the contingency period. Common stock warrants represent the right to convert the warrants into common stock at an exercise price of $0.01 per share. The treasury stock method is used to measure the dilutive effect of outstanding PSUs and common stock warrants. The shares that would be issuable upon exercise of the conversion rights contained in the Company's convertible debt for each period are based on the if-converted method for computing potentially dilutive shares of common stock that could be issued upon conversion.

Basic and diluted loss per share for the three months and nine months ended September 30, 2017 and 2016 were determined as follows:

	Three Months Ended September 30,
	2017								2016
	Loss			Shares		Per Share			Loss			Shares		Per Share
	(In thousands, except per share amounts)

Basic and diluted net loss attributable to common stock	$	(24,736	)		14,796	$	(1.67	)	$	(28,476	)		12,293	$	(2.32	)

	Nine Months ended September 30,
	2017								2016
	Loss			Shares		Per Share			Loss			Shares		Per Share
	(In thousands, except per share amounts)

Basic and diluted net loss attributable to common stock	$	(69,109	)		14,591	$	(4.74	)	$	(80,201	)		11,255	$	(7.13	)

At September 30, 2017 and December 31, 2016, 619,867 and 354,986 shares of restricted stock, respectively, are included in common stock outstanding as such shares have a nonforfeitable right to participate in any dividends that might be declared and have the right to vote on matters submitted to the Company's stockholders. Weighted average shares of unvested restricted stock outstanding during the three months and nine months ended September 30, 2017 and 2016 which were excluded from the computation of the loss per share were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands)
Unvested restricted stock		666		355		612		340

For the three months ended September 30, 2017 and 2016, all stock options, unvested PSUs, common stock warrants and contingently issuable shares related to the convertible debt were anti-dilutive to earnings and excluded from weighted average shares used in the computation of earnings per share in all periods presented. Options to purchase common stock, warrants exercisable into common stock, PSUs that were outstanding and contingently issuable shares related to the convertible debt that were excluded as anti-dilutive from the determination of diluted earnings per share are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands except per share/unit data)
Weighted average stock options		—		12		—		12
Weighted average exercise price per share	$	—	$	166.10	$	—	$	166.10

Weighted average warrants for common stock		415		377		479		127
Weighted average exercise price per share	$	0.01	$	0.01	$	0.01	$	0.01

Weighted average PSUs		303		135		281		137
Weighted average grant date fair value per unit	$	17.12	$	22.09	$	17.12	$	22.09

Weighted average contingently convertible shares		37,624		9,770		36,676		3,257
Weighted average conversion price per share	$	12.32	$	12.32	$	12.32	$	12.32

Supplementary Information With Respect to the Consolidated Statements of Cash Flows

For the purpose of the consolidated statements of cash flows, the Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.

Cash payments made for interest and income taxes for the nine months ended September 30, 2017 and 2016, respectively, were as follows:

	Nine Months Ended September 30
	2017		2016
	(In thousands)
Interest payments	$	72,913	$	109,642
Income tax payments	$	3	$	—

Interest paid in-kind related to the Company's convertible notes was $9.6 million and $2.6 million during the three months ended September 30, 2017 and 2016, respectively and $28.2 million and $2.6 million during the nine months ended September 30, 2017 and 2016, respectively.

Recent Accounting Pronouncements

On January 1, 2017, the Company adopted ASU No. 2016-09, Improvements to Employee Share-Based Payment Accounting ("ASU 2016-09"). The adoption of this new standard did not have a material impact on the Company's financial statements. The Company is accounting for forfeitures in compensation cost as they occur, and it is applying the prospective transition method for presentation of the income tax effects of vested equity awards in its consolidated statements of cash flows.

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09, Revenue from Contracts with Customers (Topic 606) ("ASU 2014-09"), which supersedes nearly all existing revenue recognition guidance under existing generally accepted accounting principles. This new standard is based upon the principal that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts. ASU 2014-09 is effective for annual and interim periods beginning after December 15, 2017. Early adoption is permitted beginning with periods after December 15, 2016 and entities have the option of using either a full retrospective or modified approach to adopt ASU 2014-09. The Company is currently reviewing its primary oil and natural gas marketing agreements in order to assess the impact of adoption. At this time, adopting this standard is not expected to have a material impact on the Company's financial statements because recognition of revenue is not expected to materially change under the new standard, since most of the Company's revenue will continue to be recognized as production is delivered. However, the Company is still evaluating the ultimate impact of this accounting standard on its consolidated results of operations, financial position, cash flows and financial disclosures. This evaluation will continue throughout 2017, and the Company will adopt this new standard in the first quarter of 2018. The Company currently expects to apply the modified retrospective method of adoption for this new standard.

In February 2016, the FASB issued ASU No. 2016-02, Leases ("ASU 2016-02"). ASU 2016-02 requires lessees to include most leases on their balance sheets, but recognize lease costs in their financial statements in a manner similar to accounting for leases prior to ASC 2016-02. ASU 2016-02 is effective for annual periods ending after December 15, 2018 and interim period thereafter. Early adoption is permitted. The Company is currently evaluating the new guidance and anticipates that certain operating leases that it has in place will be reflected as an asset and a liability in its consolidated balance sheet. The Company has not yet determined which method of adoption it will apply for this new standard.

Long-Term Debt

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Long-Term Debt

(2) LONG-TERM DEBT –

At September 30, 2017, long-term debt was comprised of the following:

	(In thousands)

10% Senior Secured Toggle Notes due 2020:
Principal	$	697,195
Discount, net of amortization		(9,812	)
7¾% Convertible Second Lien PIK Notes due 2019:
Principal		273,832
Accrued interest payable in kind		10,611
Discount, net of amortization		(45,342	)
9½% Convertible Second Lien PIK Notes due 2020:
Principal		178,580
Accrued interest payable in kind		4,993
Discount, net of amortization		(33,937	)
10% Senior Notes due 2020:
Principal		2,805
7¾% Senior Notes due 2019:
Principal		17,959
Premium, net of amortization		79
9½% Senior Notes due 2020:
Principal		4,860
Discount, net of amortization		(77	)
Debt issuance costs, net of amortization		(12,027	)
	$	1,089,719

Interest on the 10% Senior Secured Toggle Notes is payable on March 15 and September 15 and the notes mature on March 15, 2020. The Company has the option to pay up to $75.0 million of accrued interest by issuing additional notes. To the extent that interest is paid in kind, the interest rate increases to 12¼% only for that interest payment and would result in up to an additional $91.9 million of notes outstanding.

Interest on the 7¾% Convertible Second Lien PIK Notes is payable on April 1 and October 1 and these notes mature on April 1, 2019. Interest on the 9½% Convertible Second Lien PIK Notes is payable on September 15 and December 15 and these notes mature on September 15, 2020. Interest on the convertible notes is only payable in kind. Each series of the convertible notes is convertible, at the option of the holder, into 81.2 shares of the Company's common stock for each $1,000 of principal amount of notes. The convertible notes will mandatorily convert into shares of common stock following a 15 consecutive trading day period during which the daily volume weighted average price of the Company's common stock is equal to or greater than $12.32 per share. $9.9 million of principal amount of the convertible notes plus accrued interest thereon were converted into 826,327 shares of common stock during the nine months ended September 30, 2017.

On September 6, 2016, Comstock completed a debt exchange offer with the holders of approximately 98% of the Company's outstanding senior notes. Transaction costs of $4.4 million related to the exchange were recognized in the three months ended September 30, 2016 as a reduction to the gain on extinguishment of debt which is reported as a component of other income (loss). The exchange of the 2019 Senior Notes and the 2020 Senior Notes was accounted for as a debt extinguishment due to the substantial difference in the terms of the exchanged notes. A gain of $106.2 million on extinguishment of debt was recognized on this exchange representing the difference between the fair market value of the then issued 7¾% Convertible Second Lien PIK Notes and the 9½% Convertible Second Lien PIK Notes convertible second lien notes and the then carrying amount of the 2019 Notes and the 2020 Notes that were exchanged. Transaction costs of $6.5 million related to these exchanges were reflected as debt issuance costs which are being amortized to interest expense over the life of the notes.

During the nine months ended September 30, 2016, the Company retired $87.5 million in principal amount of the 2019 Notes and $19.8 million of the 2020 Notes in exchange in the aggregate for the issuance of 2,748,403 shares of common stock and $3.5 million in cash. A gain of $89.6 million was recognized on the exchanges and purchases of the 2019 Notes and the 2020 Notes during the nine months ended September 30, 2016. The gain is included in the net gain on extinguishment of debt for the difference between the market value of the stock on the closing date of the exchange and the net carrying value of the debt and the related net premium and net debt issuance costs.

Comstock has a $50.0 million revolving credit facility with Bank of Montreal and Bank of America, N.A. that matures March 4, 2019. As of September 30, 2017, the Company did not have any borrowings outstanding under the revolving credit facility. Indebtedness under the revolving credit facility is guaranteed by all of the Company's subsidiaries and is secured by substantially all of Comstock's and its subsidiaries' assets. Borrowings under the revolving credit facility bear interest, at Comstock's option, at either (1) LIBOR plus 2.5% or (2) the base rate (which is the higher of the administrative agent's prime rate, the federal funds rate plus 0.5% or 30 day LIBOR plus 1.0%) plus 1.5%. A commitment fee of 0.5% per annum is payable quarterly on the unused credit line. The revolving credit facility contains covenants that, among other things, restrict the payment of cash dividends and repurchases of common stock, limit the amount of additional debt that Comstock may incur and limit the Company's ability to make certain loans, investments and divestitures. The only financial covenants are the maintenance of a current ratio, including availability under the revolving credit facility, of at least 0.9 to 1.0 which increases to 1.0 to 1.0 on March 31, 2018 and the maintenance of an asset coverage ratio of proved developed reserves to amounts outstanding under the credit facility of at least 2.5 to 1.0. The Company was in compliance with these covenants as of September 30, 2017.

All of the Company's subsidiaries guarantee the bank credit facility, the 10% Senior Secured Toggle Notes, the 7¾% Convertible Second Lien PIK Notes, the 9½% Convertible Second Lien PIK Notes, and the other outstanding senior notes. The bank credit facility, the 10% Senior Secured Toggle Notes and the convertible notes are secured by liens on substantially all of the assets of the Company and its subsidiaries. The allocation of proceeds related to the liens on the Company's assets are governed by intercreditor agreements granting priority to the bank credit facility. Proceeds from liens on the convertible notes are also subject to the priority of the 10% Senior Secured Toggle Notes.

Stockholders' Equity	9 Months Ended
Stockholders' Equity	Sep. 30, 2017
Equity [Abstract]
Stockholders' Equity	(3) STOCKHOLDERS' EQUITY – At September 30, 2017 the Company had warrants outstanding to purchase 415,087 shares of common stock at an exercise price of $0.01 per share. Warrants for 246,793 shares of common stock were exercised during the nine months ended September 30, 2017.

Commitments and Contingencies	9 Months Ended
Commitments and Contingencies	Sep. 30, 2017
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	(4) Commitments and Contingencies – From time to time, Comstock is involved in certain litigation that arises in the normal course of its operations. The Company records a loss contingency for these matters when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. The Company does not believe the resolution of these matters will have a material effect on the Company's financial position or results of operations. The Company has entered into natural gas transportation and treating agreements through July 2019. Maximum commitments under these transportation agreements as of September 30, 2017 totaled $2.9 million. As of September 30, 2017, the Company had commitments for contracted drilling services through April 2018 of $9.1 million.

Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	(5) SUBSEQUENT EVENTS – On October 31, 2017, the Company adopted a plan to divest of its South Texas oil properties in the Eagle Ford shale. These properties have a net book value of approximately $238.0 million as of September 30, 2017. This decision was based upon a strategic assessment of Comstock's business plans including current and projected future economic conditions in the crude oil markets. The Company intends to sell these assets through a competitive bid process, and has engaged a financial advisor to facilitate the potential sale. The Company plans to use the proceeds from the divestiture to reduce its long-term debt and enhance its liquidity.

Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Basis of Presentation

The results of operations for the three months and nine months ended September 30, 2017 are not necessarily an indication of the results expected for the full year.

These unaudited consolidated financial statements include the accounts of Comstock and its wholly-owned subsidiaries.

Property and Equipment

The Company follows the successful efforts method of accounting for its oil and gas properties. Costs incurred to acquire oil and gas leasehold are capitalized.

Results of operations for the properties that were sold or held for sale were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(In thousands)
Total oil and gas sales	$	6		$	2,644		$	392		$	6,551
Total operating expenses⁽¹⁾		(265	)		(1,541	)		(771	)		(5,670	)
Operating income (loss)	$	(259	)	$	1,103		$	(379	)	$	881

(1)

Accrued Expenses

Accrued expenses at September 30, 2017 and December 31, 2016 consist of the following:

	As of September 30, 2017		As of December 31, 2016
	(In thousands)
Accrued drilling costs	$	4,834	$	7,498
Accrued interest payable		4,016		22,721
Accrued transportation costs		3,005		2,227
Accrued employee compensation		3,841		6,292
Accrued ad valorem taxes		2,700		—
Other		1,533		1,628
	$	19,929	$	40,366

Reserve for Future Abandonment Costs

	Nine Months Ended September 30,
	2017			2016
	(In thousands)
Future abandonment costs — beginning of period	$	15,804		$	20,093
Accretion expense		645			716
New wells placed on production		5			2
Assets held for sale		—			(3,442	)
Liabilities settled and assets disposed of		(356	)		(1,217	)
Future abandonment costs — end of period	$	16,098		$	16,152

Derivative Financial Instruments and Hedging Activities

The Company had the following outstanding derivative financial instruments used for oil and natural gas price risk management at September 30, 2017:

Commodity and Derivative Type

Weighted-Average
Contract Price

Contract Volume
(MMBtu)

Contract Period

Natural Gas Swap Agreements

$3.38 per MMBtu

11,655,000

October 2017 – March 2018

Stock-Based Compensation

Income Taxes

The following is an analysis of consolidated income tax provision (benefit):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017		2016
	(In thousands)
Current - State	$	18		$	7		$	115	$	36
- Federal		—			—			—		—

Deferred - State		(87	)		(832	)		768		3,687
- Federal		—			—			—		—
	$	(69	)	$	(825	)	$	883	$	3,723

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(In thousands)
Tax at statutory rate		35.0	%		35.0	%		35.0	%		35.0	%
Tax effect of:
Valuation allowance on deferred tax assets		(37.8	)		(45.0	)		(39.2	)		(47.8	)
State income taxes, net of federal benefit		3.8			12.4			4.1			7.8
Nondeductible stock-based compensation		(0.7	)		0.4			(1.1	)		—
Other		—			0.1			(0.1	)		—
Effective tax rate		0.3	%		2.9	%		(1.3	)%		(5.0	)%

Fair Value Measurements

Level 1 — Inputs used to measure fair value are unadjusted quoted prices that are available in active markets for the identical assets or liabilities as of the reporting date.

The following table summarizes financial assets accounted for at fair value as of September 30, 2017:

	Carrying Value Measured at Fair Value at September 30, 2017		Level 1		Level 2
	(In thousands)
Assets measured at fair value on a recurring basis:
Cash and cash equivalents held in bank accounts	$	25,392	$	25,392	$	—
Derivative financial instruments		3,203		—		3,203
Total assets	$	28,595	$	25,392	$	3,203

Earnings Per Share

Basic and diluted loss per share for the three months and nine months ended September 30, 2017 and 2016 were determined as follows:

	Three Months Ended September 30,
	2017								2016
	Loss			Shares		Per Share			Loss			Shares		Per Share
	(In thousands, except per share amounts)

Basic and diluted net loss attributable to common stock	$	(24,736	)		14,796	$	(1.67	)	$	(28,476	)		12,293	$	(2.32	)

	Nine Months ended September 30,
	2017								2016
	Loss			Shares		Per Share			Loss			Shares		Per Share
	(In thousands, except per share amounts)

Basic and diluted net loss attributable to common stock	$	(69,109	)		14,591	$	(4.74	)	$	(80,201	)		11,255	$	(7.13	)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands)
Unvested restricted stock		666		355		612		340

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands except per share/unit data)
Weighted average stock options		—		12		—		12
Weighted average exercise price per share	$	—	$	166.10	$	—	$	166.10

Weighted average warrants for common stock		415		377		479		127
Weighted average exercise price per share	$	0.01	$	0.01	$	0.01	$	0.01

Weighted average PSUs		303		135		281		137
Weighted average grant date fair value per unit	$	17.12	$	22.09	$	17.12	$	22.09

Weighted average contingently convertible shares		37,624		9,770		36,676		3,257
Weighted average conversion price per share	$	12.32	$	12.32	$	12.32	$	12.32

Supplementary Information With Respect to the Consolidated Statements of Cash Flows

For the purpose of the consolidated statements of cash flows, the Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.

Cash payments made for interest and income taxes for the nine months ended September 30, 2017 and 2016, respectively, were as follows:

	Nine Months Ended September 30
	2017		2016
	(In thousands)
Interest payments	$	72,913	$	109,642
Income tax payments	$	3	$	—

Recent Accounting Pronouncements

Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Results of Operations for Properties

Results of operations for the properties that were sold or held for sale were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(In thousands)
Total oil and gas sales	$	6		$	2,644		$	392		$	6,551
Total operating expenses⁽¹⁾		(265	)		(1,541	)		(771	)		(5,670	)
Operating income (loss)	$	(259	)	$	1,103		$	(379	)	$	881

(1)

Summary of Accrued Expenses

Accrued expenses at September 30, 2017 and December 31, 2016 consist of the following:

	As of September 30, 2017		As of December 31, 2016
	(In thousands)
Accrued drilling costs	$	4,834	$	7,498
Accrued interest payable		4,016		22,721
Accrued transportation costs		3,005		2,227
Accrued employee compensation		3,841		6,292
Accrued ad valorem taxes		2,700		—
Other		1,533		1,628
	$	19,929	$	40,366

Summary of Changes in Reserve for Future Abandonment Costs

The following table summarizes the changes in Comstock's total estimated liability for such obligations during the nine months ended September 30, 2017 and 2016:

	Nine Months Ended September 30,
	2017			2016
	(In thousands)
Future abandonment costs — beginning of period	$	15,804		$	20,093
Accretion expense		645			716
New wells placed on production		5			2
Assets held for sale		—			(3,442	)
Liabilities settled and assets disposed of		(356	)		(1,217	)
Future abandonment costs — end of period	$	16,098		$	16,152

Summary of Outstanding Derivative Financial Instruments

The Company had the following outstanding derivative financial instruments used for oil and natural gas price risk management at September 30, 2017:

Commodity and Derivative Type

Weighted-Average
Contract Price

Contract Volume
(MMBtu)

Contract Period

Natural Gas Swap Agreements

$3.38 per MMBtu

11,655,000

October 2017 – March 2018

Consolidated Income Tax Provision (Benefit)

The following is an analysis of consolidated income tax provision (benefit):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017		2016
	(In thousands)
Current - State	$	18		$	7		$	115	$	36
- Federal		—			—			—		—

Deferred - State		(87	)		(832	)		768		3,687
- Federal		—			—			—		—
	$	(69	)	$	(825	)	$	883	$	3,723

Difference Between Federal Statutory Rate and Effective Tax Rate on the Loss Before Income Taxes Due

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(In thousands)
Tax at statutory rate		35.0	%		35.0	%		35.0	%		35.0	%
Tax effect of:
Valuation allowance on deferred tax assets		(37.8	)		(45.0	)		(39.2	)		(47.8	)
State income taxes, net of federal benefit		3.8			12.4			4.1			7.8
Nondeductible stock-based compensation		(0.7	)		0.4			(1.1	)		—
Other		—			0.1			(0.1	)		—
Effective tax rate		0.3	%		2.9	%		(1.3	)%		(5.0	)%

Summary of Financial Assets and Liabilities at Fair Value

The following table summarizes financial assets accounted for at fair value as of September 30, 2017:

	Carrying Value Measured at Fair Value at September 30, 2017		Level 1		Level 2
	(In thousands)
Assets measured at fair value on a recurring basis:
Cash and cash equivalents held in bank accounts	$	25,392	$	25,392	$	—
Derivative financial instruments		3,203		—		3,203
Total assets	$	28,595	$	25,392	$	3,203

Basic and Diluted Losses Per Share

Basic and diluted loss per share for the three months and nine months ended September 30, 2017 and 2016 were determined as follows:

	Three Months Ended September 30,
	2017								2016
	Loss			Shares		Per Share			Loss			Shares		Per Share
	(In thousands, except per share amounts)

Basic and diluted net loss attributable to common stock	$	(24,736	)		14,796	$	(1.67	)	$	(28,476	)		12,293	$	(2.32	)

	Nine Months ended September 30,
	2017								2016
	Loss			Shares		Per Share			Loss			Shares		Per Share
	(In thousands, except per share amounts)

Basic and diluted net loss attributable to common stock	$	(69,109	)		14,591	$	(4.74	)	$	(80,201	)		11,255	$	(7.13	)

Weighted Average Shares of Unvested Restricted Stock

Weighted average shares of unvested restricted stock outstanding during the three months and nine months ended September 30, 2017 and 2016 which were excluded from the computation of the loss per share were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands)
Unvested restricted stock		666		355		612		340

Common Stock Stock Options and Convertible Stock Excluded as Anti-Dilutive from Determination of Diluted Earnings Per Share

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(In thousands except per share/unit data)
Weighted average stock options		—		12		—		12
Weighted average exercise price per share	$	—	$	166.10	$	—	$	166.10

Weighted average warrants for common stock		415		377		479		127
Weighted average exercise price per share	$	0.01	$	0.01	$	0.01	$	0.01

Weighted average PSUs		303		135		281		137
Weighted average grant date fair value per unit	$	17.12	$	22.09	$	17.12	$	22.09

Weighted average contingently convertible shares		37,624		9,770		36,676		3,257
Weighted average conversion price per share	$	12.32	$	12.32	$	12.32	$	12.32

Cash Payments Made for Interest and Income Taxes

Cash payments made for interest and income taxes for the nine months ended September 30, 2017 and 2016, respectively, were as follows:

	Nine Months Ended September 30
	2017		2016
	(In thousands)
Interest payments	$	72,913	$	109,642
Income tax payments	$	3	$	—

Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Long-Term Debt

At September 30, 2017, long-term debt was comprised of the following:

	(In thousands)

10% Senior Secured Toggle Notes due 2020:
Principal	$	697,195
Discount, net of amortization		(9,812	)
7¾% Convertible Second Lien PIK Notes due 2019:
Principal		273,832
Accrued interest payable in kind		10,611
Discount, net of amortization		(45,342	)
9½% Convertible Second Lien PIK Notes due 2020:
Principal		178,580
Accrued interest payable in kind		4,993
Discount, net of amortization		(33,937	)
10% Senior Notes due 2020:
Principal		2,805
7¾% Senior Notes due 2019:
Principal		17,959
Premium, net of amortization		79
9½% Senior Notes due 2020:
Principal		4,860
Discount, net of amortization		(77	)
Debt issuance costs, net of amortization		(12,027	)
	$	1,089,719

- Definition

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.

+ References

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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21521-112644

+ Details

Summary of Significant Accounting Policies - Additional Information 1 (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) a	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) a Well	Sep. 30, 2016 USD ($)
Operations And Summary Of Significant Accounting Policies [Line Items]
JV acreage cost reimbursement working interest per well	25.00%		25.00%
Bossier shale JV wells gross wells \| Well			4
Working interest for JV acreage and infrastructure			50.00%
Proceeds received to meet or exceed JV production targets			$ 400,000
Proceeds to be received per JV drilled well			80,000
Proceeds from sale of oil and gas properties	$ 1,500,000		1,500,000	$ 2,100,000
Loss on sale of oil and gas properties	(1,000,000)		(1,000,000)	(1,600,000)
Impairment of oil and gas properties		$ 113,000		24,573,000
Impairment of unproved oil and natural gas properties		76,400,000		84,100,000
Cash flow hedges derivative instruments	0		0
Commodity Derivatives \| Natural Gas Properties
Operations And Summary Of Significant Accounting Policies [Line Items]
Gain on derivative financial instruments	$ 1,400,000	0	$ 14,600,000	700,000
Oil and Gas Properties Impairment related to Assets Held For Sale
Operations And Summary Of Significant Accounting Policies [Line Items]
Impairment of oil and gas properties				20,800,000
Oil and Gas Properties Impairment excluding Assets Held For Sale
Operations And Summary Of Significant Accounting Policies [Line Items]
Impairment of oil and gas properties		$ 100,000		$ 24,600,000
Caddo Parish Louisiana
Operations And Summary Of Significant Accounting Policies [Line Items]
Joint venture approximate net acreage \| a	7,000		7,000
Harrison County Texas
Operations And Summary Of Significant Accounting Policies [Line Items]
Joint venture approximate net acreage \| a	5,700		5,700
Proceeds to be received for acreage and infrastructure			$ 1,400,000
Sabine Parish Louisiana
Operations And Summary Of Significant Accounting Policies [Line Items]
Proceeds to be received for acreage and infrastructure			$ 1,100,000

Summary of Significant Accounting Policies - Results of Operations for Properties (Detail) - USD ($)
$ in Thousands

3 Months Ended

9 Months Ended

Sep. 30, 2017

Sep. 30, 2016

Sep. 30, 2017

Sep. 30, 2016

Oil And Gas Properties Sold [Abstract]

Total oil and gas sales

$ 6

$ 2,644

$ 392

$ 6,551

Total operating expenses

^[1]

(265)

(1,541)

(771)

(5,670)

Operating income (loss)

$ (259)

$ 1,103

$ (379)

$ 881

[1]	Includes direct operating expenses, depreciation, depletion and amortization and exploration expense. Excludes interest expense, general and administrative expenses and depreciation, depletion and amortization expense subsequent to the date the assets were designated as held for sale.

Summary of Significant Accounting Policies - Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accrued Liabilities, Current [Abstract]
Accrued drilling costs	$ 4,834	$ 7,498
Accrued interest payable	4,016	22,721
Accrued transportation costs	3,005	2,227
Accrued employee compensation	3,841	6,292
Accrued ad valorem taxes	2,700
Other	1,533	1,628
Total accrued expenses	$ 19,929	$ 40,366

Summary of Significant Accounting Policies - Summary of Changes in Reserve for Future Abandonment Costs (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Asset Retirement Obligations Noncurrent [Abstract]
Future abandonment costs — beginning of period	$ 15,804	$ 20,093
Accretion expense	645	716
New wells placed on production	5	2
Assets held for sale		(3,442)
Liabilities settled and assets disposed of	(356)	(1,217)
Future abandonment costs — end of period	$ 16,098	$ 16,152

Summary of Significant Accounting Policies - Summary of Outstanding Derivative Financial Instruments (Detail) - Natural Gas Swap Agreements	9 Months Ended
	Sep. 30, 2017 MMBTU $ / MMBTU
Derivative [Line Items]
Commodity Derivatives Weighted Average Contract Price \| $ / MMBTU	3.38
Commodity Derivatives Contract Volume \| MMBTU	11,655,000
Commodity Derivatives Beginning of Remaining Contract Period	Oct. 01, 2017
Commodity Derivatives End of Remaining Contract Period	Mar. 31, 2018

Summary of Significant Accounting Policies - Additional Information 2 (Detail) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) Unit $ / shares $ / EquityUnit shares	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) Unit $ / shares $ / EquityUnit shares	Sep. 30, 2016 USD ($)	Dec. 31, 2016 shares
Operations And Summary Of Significant Accounting Policies [Line Items]
Stock-based compensation expense recognized			$ 4,455	$ 3,571
Restricted Stock
Operations And Summary Of Significant Accounting Policies [Line Items]
Number of shares granted \| shares			500,002
Restricted stock grant date fair value			$ 5,600
Grant date fair value of share units, per share \| $ / shares			$ 11.11
Shares of unvested restricted stock outstanding \| shares	619,867		619,867		354,986
Weighted average grant date fair value of stock grants per share \| $ / shares	$ 11.14		$ 11.14
Unrecognized compensation cost related to unvested restricted stock	$ 4,700		$ 4,700
Period in which compensation cost expected to be recognized			1 year 10 months 25 days
Potential Performance Shares (PSU)
Operations And Summary Of Significant Accounting Policies [Line Items]
Period in which compensation cost expected to be recognized			2 years 2 months 13 days
Number of units granted \| Unit			241,814
Performance share units grant date fair value			$ 4,400
Grant date fair value of share units, per unit \| $ / EquityUnit			18.17
Number of performance stock units ("PSUs") outstanding \| Unit	281,800		281,800
Weighted average grant date fair value of PSUs per unit \| $ / EquityUnit	17.12		17.12
Minimum final number of shares of common stock issuable based on performance multiplier \| shares			0
Maximum final number of shares of common stock issuable based on performance multiplier \| shares			563,600
Unrecognized expense, performance share units			$ 3,500
General and Administrative Expense
Operations And Summary Of Significant Accounting Policies [Line Items]
Stock-based compensation expense recognized	$ 1,700	$ 1,100	$ 4,500	$ 3,600

Summary of Significant Accounting Policies - Consolidated Income Tax Provision (Benefit) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Current - State	$ 18	$ 7	$ 115	$ 36
Deferred - State	(87)	(832)	768	3,687
Total	$ (69)	$ (825)	$ 883	$ 3,723

Summary of Significant Accounting Policies - Additional Information 3 (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Operations And Summary Of Significant Accounting Policies [Line Items]
Federal statutory rate	35.00%	35.00%	35.00%	35.00%
Cumulative common stock ownership change over three year period that would limit federal and state net operating loss carry forwards			50.00%
Performance multiplier, minimum			0.00%
Performance multiplier, maximum			200.00%
Warrants for Common Stock exercise price	$ 0.01		$ 0.01
Interest paid in-kind			$ 28,194	$ 2,576
Convertible Notes
Operations And Summary Of Significant Accounting Policies [Line Items]
Interest paid in-kind	$ 9,600	$ 2,600	$ 28,200	$ 2,600
Restricted Stock
Operations And Summary Of Significant Accounting Policies [Line Items]
Shares of unvested restricted stock outstanding	619,867		619,867		354,986
Fixed Rate Debt
Operations And Summary Of Significant Accounting Policies [Line Items]
Long-term debt, including current portion, Carrying Value	$ 1,100,000		$ 1,100,000
Level 2 \| Fixed Rate Debt
Operations And Summary Of Significant Accounting Policies [Line Items]
Long-term debt, including current portion, Fair Value	$ 1,100,000		$ 1,100,000

Summary of Significant Accounting Policies - Difference Between Federal Statutory Rate and Effective Tax Rate on the Income (Loss) Before Income Taxes Due (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Tax at statutory rate	35.00%	35.00%	35.00%	35.00%
Tax effect of:
Valuation allowance on deferred tax assets	(37.80%)	(45.00%)	(39.20%)	(47.80%)
State income taxes, net of federal benefit	3.80%	12.40%	4.10%	7.80%
Nondeductible stock-based compensation	(0.70%)	0.40%	(1.10%)
Other		0.10%	(0.10%)
Effective tax rate	0.30%	2.90%	(1.30%)	(5.00%)

Summary of Significant Accounting Policies - Summary of Financial Assets at Fair Value (Detail) $ in Thousands	Sep. 30, 2017 USD ($)
Assets measured at fair value on a recurring basis:
Derivative financial instruments	$ 3,203
Fair Value, Measurements, Recurring
Assets measured at fair value on a recurring basis:
Cash and cash equivalents held in bank accounts	25,392
Derivative financial instruments	3,203
Total assets	28,595
Fair Value, Measurements, Recurring \| Level 1
Assets measured at fair value on a recurring basis:
Cash and cash equivalents held in bank accounts	25,392
Total assets	25,392
Fair Value, Measurements, Recurring \| Level 2
Assets measured at fair value on a recurring basis:
Derivative financial instruments	3,203
Total assets	$ 3,203

Summary of Significant Accounting Policies - Basic and Diluted Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Basic and diluted net loss attributable to common stock	$ (24,736)	$ (28,476)	$ (69,109)	$ (80,201)
Basic and diluted weighted average shares outstanding	14,796	12,293	14,591	11,255
Net loss per share - basic and diluted	$ (1.67)	$ (2.32)	$ (4.74)	$ (7.13)

Summary of Significant Accounting Policies - Weighted Average Shares of Unvested Restricted Stock (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Unvested restricted stock	666	355	612	340

Summary of Significant Accounting Policies - Common Stock Stock Options and Convertible Stock Excluded as Anti-Dilutive from Determination of Diluted Earnings Per Share (Detail) shares in Thousands, EquityUnit in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 EquityUnit $ / shares $ / EquityUnit shares	Sep. 30, 2016 EquityUnit $ / shares $ / EquityUnit shares	Sep. 30, 2017 EquityUnit $ / shares $ / EquityUnit shares	Sep. 30, 2016 EquityUnit $ / shares $ / EquityUnit shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average stock options \| shares		12		12
Weighted average warrants for common stock \| shares	415	377	479	127
Weighted average PSUs \| EquityUnit	303	135	281	137
Weighted average grant date fair value per unit \| $ / EquityUnit	17.12	22.09	17.12	22.09
Weighted average contingently convertible shares \| shares	37,624	9,770	36,676	3,257
Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average exercise price per share \| $ / shares		$ 166.10		$ 166.10
Warrants for Common Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average exercise price per share \| $ / shares	$ 0.01	0.01	$ 0.01	0.01
Contingently Convertible Shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average exercise price per share \| $ / shares	$ 12.32	$ 12.32	$ 12.32	$ 12.32

Summary of Significant Accounting Policies - Cash Payments Made for Interest and Income Taxes (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Payments [Abstract]
Interest payments	$ 72,913	$ 109,642
Income tax payments	$ 3

Long-Term Debt - Long-Term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Debt issuance costs, net of amortization	$ (12,027)
Long-term Debt	1,089,719	$ 1,044,506
10% Senior Secured Toggle Notes due 2020
Debt Instrument [Line Items]
Principal	697,195
Discount, net of amortization	(9,812)
7¾% Convertible Second Lien PIK Notes due 2019
Debt Instrument [Line Items]
Principal	273,832
Accrued interest payable in kind	10,611
Discount, net of amortization	(45,342)
9½% Convertible Second Lien PIK Notes due 2020
Debt Instrument [Line Items]
Principal	178,580
Accrued interest payable in kind	4,993
Discount, net of amortization	(33,937)
10% Senior Notes due 2020
Debt Instrument [Line Items]
Principal	2,805
7¾% Senior Notes due 2019
Debt Instrument [Line Items]
Principal	17,959
Premium, net of amortization	79
9½% Senior Notes due 2020
Debt Instrument [Line Items]
Principal	4,860
Discount, net of amortization	$ (77)

Long-term Debt - Long-Term Debt (Parenthetical) (Detail)	Sep. 30, 2017
10% Senior Secured Toggle Notes due 2020
Debt Instrument [Line Items]
Interest rate on debt instrument	10.00%
7¾% Convertible Second Lien PIK Notes due 2019
Debt Instrument [Line Items]
Interest rate on debt instrument	7.75%
9½% Convertible Second Lien PIK Notes due 2020
Debt Instrument [Line Items]
Interest rate on debt instrument	9.50%
10% Senior Notes due 2020
Debt Instrument [Line Items]
Interest rate on debt instrument	10.00%
7¾% Senior Notes due 2019
Debt Instrument [Line Items]
Interest rate on debt instrument	7.75%
9½% Senior Notes due 2020
Debt Instrument [Line Items]
Interest rate on debt instrument	9.50%

Long-Term Debt - Additional Information (Detail)		3 Months Ended	9 Months Ended
Long-Term Debt - Additional Information (Detail)	Sep. 06, 2016 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) Day $ / shares shares	Sep. 30, 2016 USD ($) shares
Debt Instrument [Line Items]
Gain on extinguishment of debt		$ 100,540,000		$ 190,116,000
Unamortized debt issuance costs			$ 12,027,000
Exchange Offer
Debt Instrument [Line Items]
Percentage of outstanding senior notes	98.00%
Transaction costs		4,400,000
10% Senior Secured Toggle Notes due 2020
Debt Instrument [Line Items]
Interest payment terms			payable on March 15 and September 15 and the notes mature on March 15, 2020
Maturity of senior notes			Mar. 15, 2020
Accrued interest by issuing additional notes			$ 75,000,000
Interest rate on senior notes, payment in kind			12.25%
Maximum notes issuable for toggle interest paid in kind			$ 91,900,000
7¾% Convertible Second Lien PIK Notes due 2019
Debt Instrument [Line Items]
Interest payment terms			payable on April 1 and October 1
Maturity of senior notes			Apr. 01, 2019
9½% Convertible Second Lien PIK Notes due 2020
Debt Instrument [Line Items]
Interest payment terms			payable on September 15 and December 15
Maturity of senior notes			Sep. 15, 2020
Interest payment commencing date			Dec. 15, 2016
Convertible Second Lien PIK Notes
Debt Instrument [Line Items]
Debt instrument convertible conversion ratio			0.0812
Debt instrument convertible threshold consecutive trading days period \| Day			15
Convertible Second Lien PIK Notes \| Exchange Offer
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ 6,500,000
Convertible Second Lien PIK Notes \| Minimum
Debt Instrument [Line Items]
Daily volume weighted average price \| $ / shares			$ 12.32
Converted Notes
Debt Instrument [Line Items]
Debt instrument, principal amount and accrued interest			$ 9,900,000
Common stock shares exchanged for repayment of principal amount \| shares			826,327
7¾% Convertible Second Lien PIK Notes due 2019 and 9½% Convertible Second Lien PIK Notes due 2020 \| Exchange Offer
Debt Instrument [Line Items]
Gain on extinguishment of debt	$ 106,200,000
7¾% Senior Notes due 2019
Debt Instrument [Line Items]
Principal amount of notes repurchased		87,500,000		87,500,000
9½% Senior Notes due 2020
Debt Instrument [Line Items]
Principal amount of notes repurchased		$ 19,800,000		$ 19,800,000
7 3/4% Senior Notes due 2019 and 9 1/2% Senior Notes due 2020
Debt Instrument [Line Items]
Common stock shares exchanged for repayment of principal amount \| shares				2,748,403
Gain on extinguishment of debt				$ 89,600,000
7 3/4% Senior Notes due 2019 and 9 1/2% Senior Notes due 2020 \| Payment In Cash
Debt Instrument [Line Items]
Senior notes exchanged in cash				$ 3,500,000

Long-Term Debt - Additional Information 1 (Detail) - Revolving Credit Facility	9 Months Ended
	Sep. 30, 2017 USD ($)
Debt Instrument [Line Items]
Bank credit facility	$ 50,000,000
Maturity of credit facility	Mar. 04, 2019
Credit facility amount outstanding	$ 0
Spread rate over LIBOR for interest rate on credit facility	2.50%
Stated percentage over federal funds rate to calculate base rate	0.50%
Stated percentage over 30 day LIBOR to calculate base rate	1.00%
Spread rate over base rate for interest rate on credit facility	1.50%
Commitment fee on unused borrowing base	0.50%
Asset coverage ratio	250.00%
Current Ratio Through March 31, 2018
Debt Instrument [Line Items]
Current ratio	90.00%
Current Ratio After March 31, 2018
Debt Instrument [Line Items]
Current ratio	100.00%

Stockholders' Equity - Additional Information (Detail)	9 Months Ended
Stockholders' Equity - Additional Information (Detail)	Sep. 30, 2017 $ / shares shares
Equity [Abstract]
Warrants outstanding	415,087
Exercise price of warrants for common stock \| $ / shares	$ 0.01
Common stock warrants exercised, Shares	246,793

Commitments and Contingencies - Additional Information (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Natural gas transportation and treating agreements	through July 2019
Maximum commitments under natural gas transportation and treating agreements	$ 2.9
Contract term related to drilling rigs	through April 2018
Commitments for contracted drilling services	$ 9.1

Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions	Oct. 31, 2017	Sep. 30, 2017
Subsequent Event [Line Items]
Eagle Ford shale net book value		$ 238.0
Subsequent Event
Subsequent Event [Line Items]
Eagle Ford shale divestiture plan adoption date	Oct. 31, 2017