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)	(76,532)				(77,950)		1,418
Interest rate swaps, net of tax of ($379) and ($150) for the six months ended June 30, 2013 and 2012, respectively	(2,161)	[1]				(2,161)
Capitalized swap interest, net of tax of $377 and $330 for the six months ended June 30, 2013 and 2012, respectively	(569)	[2]				(569)
Stock plan activity	2,069			2,069
Stock plan activity (in shares)			27,933
Balance at Jun. 30, 2012	2,252,406		379	2,713,178	(459,275)	(8,308)	6,432
Balance (in shares) at Jun. 30, 2012			37,973,640
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)	(99,666)				(99,678)		12
Adjustment to noncontrolling interest	1,616						1,616
Preferred dividend payment on behalf of REIT subsidiary	(12)						(12)
Interest rate swaps, net of tax of ($379) and ($150) for the six months ended June 30, 2013 and 2012, respectively	2,533	[1]				2,533
Capitalized swap interest, net of tax of $377 and $330 for the six months ended June 30, 2013 and 2012, respectively	(731)	[2]				(731)
Stock plan activity	2,579		1	2,578
Stock plan activity (in shares)			77,432
Balance at Jun. 30, 2013	$ 2,217,316		$ 396	$ 2,826,609	$ (609,291)	$ (7,773)	$ 7,375
Balance (in shares) at Jun. 30, 2013			39,576,344

[1] Net of deferred tax expense of $0.3 million and $0.4 million for the three and six months ended June 30, 2013. Net of deferred tax benefit of $0.3 million and $0.2 million for the three and six months ended June 30, 2012.

[2] Net of deferred tax benefit of $0.2 million and $0.4 million for the three and six months ended June 30, 2013. Net of deferred tax benefit of $0.1 million and $0.3 million for the three and six months ended June 30, 2012.