Condensed Consolidated Statements of Comprehensive Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (24,590)	$ (2,244,126)	$ (590,451)	$ (3,500,371)
Other comprehensive income, net of income tax:
Interest rate lock derivative contracts reclassified to income, net of tax of $0, $11, $0, and $32, respectively	0	17	0	52
Total other comprehensive income	0	17	0	52
Comprehensive loss	$ (24,590)	$ (2,244,109)	$ (590,451)	$ (3,500,319)