Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

Valuation and Qualifying Accounts

			Additions
			(Reductions)
	Balance at		Charged to			Charged to						Balance at
	Beginning of		Costs and			Other						End of
	Year		Expenses			Accounts				Deductions (a)		Year
	(In thousands)
Year Ended December 31, 2017
Reserves deducted from asset accounts:
Accounts receivable and other receivables	$	—										$	—
Current assets — supplies and inventory	—		365			(17		)	(b)	87		261
Deferred income taxes	1,021,553		(410,982		)							610,571
Successor
October 2 through December 31, 2016
Reserves deducted from asset accounts:
Accounts receivable and other receivables	$	—	$	—		$	—			$	—	$	—
Current assets — supplies and inventory	—		—			—				—		—
Deferred income taxes	1,033,982		(12,429		)	—				—		1,021,553
Predecessor
January 1 through October 1, 2016
Reserves deducted from asset accounts:
Accounts receivable and other receivables	$	7,842	$	—		$	—			$	7,842	$	—
Current assets — supplies and inventory	5,991		844			(5,060		)	(c)	1,775		—
Deferred income taxes	1,135,399		(101,417		)					—		1,033,982
Year ended December 31, 2015
Reserves deducted from asset accounts:
Accounts receivable and other receivables	$	159	$	7,683		$	—			$	—	$	7,842
Current assets — supplies and inventory	6,625		431			—				1,065		5,991
Deferred income taxes	270,251		865,148			—				—		1,135,399

(a)     Reserves utilized, unless otherwise indicated.

(b)    Disposition of subsidiaries

(c)    Fresh start accounting adjustment