Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014	Dec. 16, 2013	Dec. 31, 2012
Successor
Net income (loss)	$ (19,973)	$ 22,596
Amortization of accumulated other comprehensive loss related to de-designated hedges, net of income tax benefit of $3,382 for the year ended December 31, 2012	0	0
Other comprehensive income	0	0
Comprehensive income (loss)	(19,973)	22,596
Predecessor
Net income (loss)			93,447	171,539
Amortization of accumulated other comprehensive loss related to de-designated hedges, net of income tax benefit of $3,382 for the year ended December 31, 2012			0	5,517
Other comprehensive income			0	5,517
Comprehensive income (loss)			$ 93,447	$ 177,056