CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total		Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balance at Dec. 31, 2011	$ 2,329,599		$ 379	$ 2,711,109	$ (381,325)	$ (5,578)	$ 5,014
Balance (in shares) at Dec. 31, 2011			37,945,707
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(111,522)				(112,258)		736
Interest rate swaps, net of tax of $80 and $101 for the three months ended March 31, 2013 and 2012, respectively	102	[1]				102
Capitalized swap interest, net of tax of $198 and $244 for the three months ended March 31, 2013 and 2012, respectively	(410)	[2]				(410)
Stock plan activity	871			871
Balance at Mar. 31, 2012	2,218,640		379	2,711,980	(493,583)	(5,886)	5,750
Balance (in shares) at Mar. 31, 2012			37,945,707
Balance at Dec. 31, 2012	2,310,997		395	2,824,031	(509,613)	(9,575)	5,759
Balance (in shares) at Dec. 31, 2012			39,498,912
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(23,170)				(23,124)		(46)
Adjustment to noncontrolling interest	3,750						3,750
Preferred dividend payment on behalf of REIT subsidiary	(12)						(12)
Interest rate swaps, net of tax of $80 and $101 for the three months ended March 31, 2013 and 2012, respectively	421	[1]				421
Capitalized swap interest, net of tax of $198 and $244 for the three months ended March 31, 2013 and 2012, respectively	(413)	[2]				(413)
Stock plan activity	1,143			1,143
Balance at Mar. 31, 2013	$ 2,292,716		$ 395	$ 2,825,174	$ (532,737)	$ (9,567)	$ 9,451
Balance (in shares) at Mar. 31, 2013			39,498,912

[1] Net of deferred tax expense of $0.1 million for the three months ended March 31, 2013 and 2012.

[2] Net of deferred tax benefit of $0.2 million for the three months ended March 31, 2013 and 2012.