Other Assets (Details 2) (USD $)	1 Months Ended		12 Months Ended					1 Months Ended			1 Months Ended		12 Months Ended	1 Months Ended
	Jun. 30, 2010	Apr. 30, 2010 loan	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Doubletree Guest Suites Times Square	Jan. 31, 2011 Doubletree Guest Suites Times Square	Jan. 31, 2011 8.5% Hotel Mezzanine loan receivable Doubletree Guest Suites Times Square	Apr. 30, 2010 8.5% Hotel Mezzanine loan receivable Doubletree Guest Suites Times Square	Dec. 31, 2011 8.5% Hotel Mezzanine loan receivable Doubletree Guest Suites Times Square	Nov. 30, 2010 Twelve Atlantic Station Subordinate Note Receivable	Apr. 30, 2010 Twelve Atlantic Station Subordinate Note Receivable Room	Dec. 31, 2011 Twelve Atlantic Station Subordinate Note Receivable	Oct. 31, 2011 Royal Palm Miami Beach	Sep. 30, 2011 Royal Palm Miami Beach	Apr. 30, 2011 Royal Palm Miami Beach
Notes Receivable
Net proceeds received on sale of property																$ 129,800,000
Cash received on sale of property																39,800,000
Issuance of note receivable			90,000,000													90,000,000
Number of hotel loans purchased		2
Proceeds from sale of Royal Palm note			79,194,000											79,200,000
Impairment Loss	1,900,000		10,862,000	1,943,000	30,852,000										10,900,000
Principal amount of purchased debt		32,500,000						30,000,000	30,000,000			5,000,000
Purchase price		3,700,000		3,950,000					3,450,000		250,000	250,000
Interest rate on loans receivable (as a percent)									8.50%	8.50%		8.075%
Ownership interest acquired (as a percent)						62.00%	62.00%
Purchase price of acquired entity							37,500,000
Gain on remeasurement of equity interests								30,400,000
Portion of subordinated note receivable purchased												one-half
Number of rooms in hotel that is collateral for subordinate note receivable												101
Modified monthly interest rate on subordinate note receivable (as a percent)											3.50%
Partial payment received													$ 100,000