Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

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:

	2018		2017		2016
	(In thousands)
Income tax expense (benefit) computed by applying the statutory rate	$	(11,290)	$	21,059	$	(72,386)
State income tax expense (benefit), net of federal benefit	(1,882)		1,655		(5,687)
Deferred tax liability revaluation (1)	—		(81,307)		—
Restricted stock shortfall	424		1,867		5,465
Non-controlling interest in Superior	(1,138)		—		—
Statutory depletion and other	(110)		(952)		1,414
Income tax benefit	$	(13,996)	$	(57,678)	$	(71,194)

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1.In 2017, the revaluation from the Tax Act.

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

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

	2018		2017		2016
	(In thousands)
Current taxes:
Federal	$	(1,835)	$	—	$	—
State	(1,296)		5		15
	(3,131)		5		15
Deferred taxes:
Federal	(8,741)		(62,788)		(62,923)
State	(2,124)		5,105		(8,286)
	(10,865)		(57,683)		(71,209)
Total provision	$	(13,996)	$	(57,678)	$	(71,194)

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

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

	2018		2017
	(In thousands)
Deferred tax assets:
Allowance for losses and nondeductible accruals	$	27,953	$	32,242
Net operating loss carryforward	152,112		153,746
Alternative minimum tax and research and development tax credit carryforward	3,574		5,409
	183,639		191,397
Deferred tax liability:
Depreciation, depletion, amortization, and impairment	(291,542)		(324,874)
Investment in Superior	(36,845)		—
Net deferred tax liability	(144,748)		(133,477)
Current deferred tax asset	—		—
Non-current—deferred tax liability	$	(144,748)	$	(133,477)