Hotel Management Agreements and Leases (Details)		1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 16, 2015 USD ($)	Jul. 31, 2015 item	Jun. 30, 2015 USD ($) item property	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) item property	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Jan. 06, 2014 USD ($)
Management Agreements and Leases
Number of management agreements or leases | item			14		14
Percentage increase in minimum returns after funding for renovation of hotels					9.00%
Net book value			$ 5,929,031,000		$ 5,929,031,000		$ 5,674,160,000
Guarantee provided to the entity, remaining amount			13,962,000		13,962,000
Security deposit balance			$ 42,143,000		42,143,000		$ 33,069,000
Increase (Decrease) Operating Agreements Annual Minimum Returns and Rents					5,608,000
Increase (decrease) in annual minimum returns and rents					$ 5,608,000
Hotel located in Rosemont, IL
Management Agreements and Leases
Real Estate Aggregate Purchase Price	$ 35,500,000
Purchase price excluding closing cost	$ 35,500,000
Sonesta agreements
Management Agreements and Leases
Number of real estate properties leased or managed | property			22		22
Amount expected to be provided for renovation for acquisitions made					$ 45,000,000
Hotels
Management Agreements and Leases
Number of properties leased to TRSs | property			290		290
Number of properties leased to third parties | property			3		3
Amount by which the cash flow available to pay the entity's minimum rent or return was less than the minimum amount				$ 4,449,000	$ 11,443,000	$ 25,291,000
Reduction of hotel operating expenses			$ 0	0	1,903,000	5,331,000
Shortfalls due to unguaranteed portions of minimum returns				4,450,000	9,540,000	19,960,000
Increase in guarantee provided to the entity			$ 14,976,000	8,120,000	$ 16,189,000	2,574,000
Hotels | Marriott No. 1 agreement
Management Agreements and Leases
Number of real estate properties leased or managed | property			53		53
Operating agreement annual rent and return					$ 68,147,000
Realized returns and rents			$ 17,027,000	18,771,000	$ 34,033,000	33,807,000
Percentage increase in minimum returns after funding for renovation of hotels					10.00%
Amount funded for renovation					$ 1,711,000
Amount expected to be provided for renovation					$ 2,000,000
Hotels | Marriott No. 234 agreement
Management Agreements and Leases
Number of real estate properties leased or managed | item			68		68
Operating agreement annual rent and return					$ 106,198,000
Realized returns and rents			$ 28,026,000	26,330,000	$ 53,032,000	50,136,000
Guaranty payments threshold as percentage of minimum returns					90.00%
Guarantee provided to the entity, remaining amount			30,672,000		$ 30,672,000
Amount funded for renovation					3,000,000
Amount expected to be provided for renovation					6,500,000
Security deposit balance			$ 780,000		780,000
Aggregate amount of replenished available security deposit					$ 780,000
Hotels | InterContinental agreement
Management Agreements and Leases
Number of real estate properties leased or managed | item			93		93
Operating agreement annual rent and return					$ 149,778,000
Realized returns and rents			$ 36,702,000	34,875,000	72,016,000	69,749,000
Additional returns realized			3,177,000		3,177,000
Security deposit balance required to be maintained with the entity in 2015			37,000,000		37,000,000
Reduction in the minimum security deposit balance required to be maintained with the entity during 2014 and 2015 for every dollar of additional security deposit paid								$ 2
Additional security deposit paid			2,772,000		2,772,000
Amount expected to be provided for renovation					34,750,000
Security deposit balance required to be maintained with the entity			31,456,000		31,456,000
Security deposit balance			41,251,000		41,251,000
Aggregate amount of replenished available security deposit					8,284,000
Hotels | InterContinental agreement | Hotel located in Rosemont, IL
Management Agreements and Leases
Hotel management agreement fixed minimum return as percentage of investment	8.00%
Hotels | Sonesta agreements
Management Agreements and Leases
Operating agreement annual rent and return					73,385,000
Realized returns and rents			$ 18,738,000	11,205,000	$ 26,799,000	13,300,000
Percentage increase in minimum returns after funding for renovation of hotels					8.00%
Fixed minimum return as a percentage of invested capital					8.00%
Amount funded for renovation					$ 23,909,000
Amount expected to be provided for renovation					$ 48,851,000
Hotels | Sonesta agreements | Subsequent event
Management Agreements and Leases
Number of hotels acquired | item		9
Hotels | Wyndham agreement
Management Agreements and Leases
Number of properties leased to third parties | property			1		1
Number of real estate properties leased or managed | property			22		22
Operating agreement annual rent and return					$ 27,695,000
Realized returns and rents			$ 6,907,000	6,704,000	$ 13,770,000	13,239,000
Percentage increase in minimum returns after funding for renovation of hotels					8.00%
Guarantee provided to the entity, remaining amount			4,679,000		$ 4,679,000
Amount funded for renovation					3,446,000
Amount expected to be provided for renovation					5,554,000
Guarantee provided to the entity, maximum			35,656,000		35,656,000
Annual guarantee provided to the entity, maximum			$ 17,828,000		$ 17,828,000
Hotels | Hyatt Hotels Corporation
Management Agreements and Leases
Number of real estate properties leased or managed | item			22		22
Guarantee provided to the entity, maximum			$ 50,000,000		$ 50,000,000
Hotels | Carlson
Management Agreements and Leases
Number of real estate properties leased or managed | item			11		11
Guarantee provided to the entity, remaining amount			$ 23,799,000		$ 23,799,000
Guarantee provided to the entity, maximum			$ 40,000,000		$ 40,000,000
Hotels | Marriott No 5 contract
Management Agreements and Leases
Number of real estate properties leased or managed | property			1		1
Realized returns and rents			$ 2,529,000	$ 2,501,000
Guaranty payments made					$ 1,903,000
Hotels | Marriott No 5 contract | Marriott No. 234 agreement
Management Agreements and Leases
Realized returns and rents					$ 5,058,000	$ 5,002,000