Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Components of Income Tax Expense (Benefit)

Significant components of the provision for (benefit from) income taxes are as follows:



	Successor									Predecessor
	Year Ended December 31, 2018			Year Ended December 31, 2017			October 2 through December 31, 2016			January 1 through October 1, 2016
(In thousands)
Current:
Federal	$	86		$	835		$	—		$	—
State	136			31			(252		)	7
Total current	$	222		$	866		$	(252	)	$	7
Deferred:
Federal	(52,309		)	(36,162		)	1,352			(4,720		)
State	(389		)	41			56			87
Total deferred	$	(52,698	)	$	(36,121	)	$	1,408		$	(4,633	)
	$	(52,476	)	$	(35,255	)	$	1,156		$	(4,626	)

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the statutory federal income tax provision (benefit) at the statutory rate to the actual provision for (benefit from) income taxes follows:



	Successor									Predecessor
	Year Ended December 31, 2018			Year Ended December 31, 2017			October 2 through December 31, 2016			January 1 through October 1, 2016
(In thousands)
Income tax provision (benefit) at statutory rate	$	54,621		$	71,118		$	12,112		$	433,109
Percentage depletion allowance	(17,725		)	(31,255		)	(4,292		)	(3,681		)
State taxes, net of effect of federal taxes	4,480			7,002			633			(46,122		)
Reversal of cancellation of indebtedness income	—			—			—			(1,493,162		)
Worthless stock deduction	—			—			—			(80,077		)
Change in valuation allowance	(79,961		)	(410,983		)	(7,655		)	1,185,326
Impact of Tax Cuts and Jobs Act of 2017	(17,645		)	332,345			—			—
Other, net	3,754			(3,482		)	358			(19		)
Provision for (benefit from) income taxes	$	(52,476	)	$	(35,255	)	$	1,156		$	(4,626	)

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets and liabilities that result from carryforwards and temporary differences between the financial statement basis and tax basis of assets and liabilities are summarized as follows:



	December 31, 2018			December 31, 2017
(In thousands)
Deferred tax assets:
Tax loss carryforwards	$	307,615		$	271,405
Tax credit carryforwards	5,394			29,736
Investment in partnerships	193,217			308,653
Other	28,747			28,321
Gross deferred tax assets	$	534,973		$	638,115
Valuation allowance	(530,612		)	(610,571		)
Total deferred tax assets	$	4,361		$	27,544
Deferred tax liabilities:
Plant and equipment	3,037			3,674
Other	1,154			1,351
Total deferred tax liabilities	$	4,191		$	5,025
Net deferred tax asset	$	170		$	22,519

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amounts of gross unrecognized tax benefits follows:



		(In thousands)
Balance at	January 1, 2016	$	38,877
Additions based on tax positions related to the current year		2,979
Additions for tax positions of prior years		2,709
Reductions as a result of lapses in the statute of limitations		(37,110		)
Balance at	December 31, 2016	7,455
Additions based on tax positions related to the current year		—
Additions for tax positions of prior years		3,928
Reductions as a result of lapses in the statute of limitations		—
Balance at	December 31, 2017	11,383
Additions for tax positions of prior years		28,387
Additions for tax positions related to the current year		3,228
Reductions for tax positions of prior years		(634		)
Reductions as a result of lapses in the statute of limitations		$	(3,271	)
Balance at	December 31, 2018	$	39,093