Condensed Consolidated Statements of Comprehensive Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (185,193)	$ (107,746)
Other comprehensive income, net of income tax:
Interest rate lock derivative contracts reclassified to income, net of tax of $0 and $11, respectively	0	17
Total other comprehensive income	0	17
Comprehensive loss	$ (185,193)	$ (107,729)