Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Reconciliation Of Income Tax Expense (Benefit) [Table Text Block]

A reconciliation of income tax expense (benefit), computed by applying the federal statutory rate to pre-tax income (loss) to our effective income tax expense (benefit) is as follows:



	2016			2015			2014
	(In thousands)
Income tax expense (benefit) computed by applying the statutory rate	$	(72,386	)	$	(582,508	)	$	78,029
State income tax expense (benefit), net of federal benefit	(5,687		)	(45,768		)	6,131
Restricted stock shortfall	5,465			—			—
Statutory depletion and other	1,414			1,328			2,503
Income tax expense (benefit)	$	(71,194	)	$	(626,948	)	$	86,663

Schedule Of Total Provision For Income Taxes [Table Text Block]

For the periods indicated, the total provision for income taxes consisted of the following:



	2016			2015			2014
	(In thousands)
Current taxes:
Federal	$	—		$	(20,612	)	$	8,594
State	15			(4		)	784
	15			(20,616		)	9,378
Deferred taxes:
Federal	(62,923		)	(535,691		)	68,360
State	(8,286		)	(70,641		)	8,925
	(71,209		)	(606,332		)	77,285
Total provision	$	(71,194	)	$	(626,948	)	$	86,663

Schedule Of Deferred Tax Assets And Liabilities [Table Text Block]

Deferred tax assets and liabilities are comprised of the following at December 31:



	2016			2015
	(In thousands)
Deferred tax assets:
Allowance for losses and nondeductible accruals	$	53,967		$	56,479
Net operating loss carryforward	190,603			140,863
Alternative minimum tax and research and development tax credit carryforward	5,409			5,409
	249,979			202,751
Deferred tax liability:
Depreciation, depletion, amortization, and impairment	(440,690		)	(464,295		)
Net deferred tax liability	(190,711		)	(261,544		)
Current deferred tax asset	25,211			14,206
Non-current—deferred tax liability	$	(215,922	)	$	(275,750	)

Schedule of Unrecognized Tax Benefits [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:



	2016		2015		2014
	(In thousands)
Balance at January 1:	$	410	$	410	$	—
Additions based on tax positions related to current year	—		—		410
Additions for tax positions of prior years	—		—		—
Reductions for tax positions of prior years	—		—		—
Settlements	—		—		—
Balance at December 31:	$	410	$	410	$	410