Discontinued Operations (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations	$ 28,540,000	$ 9,160,000	$ 17,036,000	$ 4,192,000	$ (2,280,000)	$ (1,554,000)	$ 3,085,000	$ 3,376,000	$ 58,928,000		$ 2,627,000		$ (114,082,000)
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Hotel operating revenue									60,238,000		132,988,000		184,138,000
Operating expenses									(52,942,000)	[1]	(133,051,000)	[1]	(300,950,000)	[1]
Operating income (loss) from discontinued operations									7,296,000		(63,000)		(116,812,000)
Interest expense, net									(2,037,000)		(5,294,000)		(12,135,000)
Debt extinguishment									(790,000)		3,282,000		14,865,000
Loss on involuntary conversion									0		(12,000)		0
Gain on sale, net									54,459,000		4,714,000		0
Income (loss) from discontinued operations									58,928,000		2,627,000		(114,082,000)
Impairment charges									$ 1,300,000		$ 8,900,000		$ 121,100,000
Discontinued Operations [Member] | Hotels Sold or Otherwise Disposed of [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hotels (in hotels)	10				8				10		8		3

[1] Includes impairment charges of $1.3 million, $8.9 million and $121.1 million for the years ended December 31, 2012, 2011 and 2010, respectively.