Summary of Significant Accounting Policies (Details 4) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended			6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2010 Mass Mutual loan	Mar. 31, 2010 Credit facility	Jun. 30, 2011 Doubletree Guest Suites Times Square	Jun. 30, 2011 Doubletree Guest Suites Times Square	Mar. 31, 2011 Doubletree Guest Suites Times Square	Jan. 31, 2011 Doubletree Guest Suites Times Square	Jun. 30, 2011 Entity that owns Hilton San Diego Bayfront	Apr. 30, 2011 Entity that owns Hilton San Diego Bayfront
Debt instrument
Ownership interest acquired (as a percent)							62.00%	62.00%	62.00%	62.00%	75.00%	75.00%
Continuing operations:
Amortization of deferred financing fees	$ 812,000	$ 303,000	$ 1,425,000	$ 793,000
Write-off of deferred financing fees		123,000		1,585,000	100,000	1,500,000
Total deferred financing fees - continuing operations	812,000	426,000	1,425,000	2,378,000
Discontinued operations:
Amortization of deferred financing fees	3,000	135,000	6,000	272,000
Total amortization and write-off of deferred financing fees	815,000	561,000	1,431,000	2,650,000
Number of hotel properties released from loan					3
Earnings Per Share
Two-class method assumption, percentage of net income distributed as dividends to each class of stock (as a percent)			100.00%
Numerator:
Net income (loss)	38,929,000	308,000	90,264,000	(20,783,000)
Income from consolidated joint venture attributable to non-controlling interest	(244,000)		(244,000)
Distributions to non-controlling interest	(7,000)		(14,000)				(7,000)	(14,000)
Preferred stock dividends and accretion	(7,310,000)	(5,187,000)	(12,447,000)	(10,374,000)
Undistributed income allocated to unvested restricted stock compensation	(291,000)		(717,000)
INCOME AVAILABLE (LOSS ATTRIBUTABLE) TO COMMON STOCKHOLDERS	$ 31,077,000	$ (4,879,000)	$ 76,842,000	$ (31,157,000)
Denominator:
Weighted average basic common shares outstanding (in shares)	117,227	97,188	117,151	97,118
Unvested restricted stock awards	87		116
Weighted average diluted common shares outstanding (in shares)	117,314	97,188	117,267	97,118
Basic earnings available (loss attributable) to common stockholders per common share (in dollars per share)	$ 0.27	$ (0.05)	$ 0.66	$ (0.32)
Diluted earnings available (loss attributable) to common stockholders per common share (in dollars per share)	$ 0.26	$ (0.05)	$ 0.66	$ (0.32)
Segment Reporting
Number of operating segments			1