CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Comprehensive income (loss), net of tax:
Net income (loss)		$ 126,719	$ (23,520)	$ (73,695)
Other comprehensive income (loss):
Interest rate swaps	[1]	40	1,003	2,542
Capitalized swap interest expense	[2]	(217)	(493)	(1,189)
Other comprehensive income (loss)		(177)	510	1,353
Comprehensive income (loss)		126,542	(23,010)	(72,342)
Comprehensive (income) loss attributable to noncontrolling interests			(11)	(95)
Comprehensive income (loss) attributable to common stockholders		$ 126,542	$ (23,021)	$ (72,437)

[1] Net of deferred tax expense of $1.0 million, $0.2 million and $0.5 million for the years ended December 31, 2015, 2014 and 2013, respectively.

[2] Net of deferred tax benefit of $0.1 million, $0.2 million and $0.6 million for the years ended December 31, 2015, 2014 and 2013, respectively.