CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Comprehensive loss, net of tax:
Net loss	$ (14,733)		$ (76,496)		$ (101,064)		$ (99,666)
Other comprehensive income (loss):
Interest rate swaps	(81)	[1]	2,112	[1]	118	[1]	2,533	[1]
Capitalized swap interest	(44)	[2]	(318)	[2]	(177)	[2]	(731)	[2]
Other comprehensive income (loss)	(125)		1,794		(59)		1,802
Comprehensive loss	(14,858)		(74,702)		(101,123)		(97,864)
Comprehensive income attributable to noncontrolling interests	(27)		(58)		(12)		(12)
Comprehensive loss attributable to common stockholders	$ (14,885)		$ (74,760)		$ (101,135)		$ (97,876)

[1] Net of deferred tax expense of zero and $0.1 million for the three months and six months ended June 30, 2014, respectively. Net of deferred tax expense of $0.3 million and $0.4 million for the three and six months ended June 30, 2013, respectively.

[2] Net of deferred tax benefit of zero million and $0.1 million for the three and six months ended June 30, 2014, respectively. Net of deferred tax benefit of $0.2 million and $0.4 million for the three and six months ended June 30, 2013, respectively.