CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Comprehensive income (loss), net of tax:
Net income (loss)	$ (73,695)		$ (127,543)		$ 148,470
Other comprehensive income (loss):
Interest rate swaps	2,542	[1]	(2,770)	[1]	(3,351)	[1]
Capitalized swap interest	(1,189)	[2]	(1,227)	[2]	(600)	[2]
Other comprehensive income (loss)	1,353		(3,997)		(3,951)
Comprehensive income (loss)	(72,342)		(131,540)		144,519
Comprehensive income attributable to noncontrolling interests	(95)		(745)		(1,290)
Comprehensive income (loss) attributable to common stockholders	$ (72,437)		$ (132,285)		$ 143,229

[1] Net of deferred tax expense of $0.5 million, and deferred tax benefit of $0.1 million, and $0.1 million for the years ended December 31, 2013, 2012 and 2011, respectively.

[2] Net of deferred tax benefit of $0.6 million, $0.7 million, and $0.4 million for the years ended December 31, 2013, 2012 and 2011, respectively.