Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2001	Dec. 31, 2013	Dec. 31, 2012
Ground Leases
Number of Real Estate Properties Operated under Management Agreements	144
Minimum ground rent
2013	$ 4,650,000
2014	4,650,000
2015	4,650,000
2016	4,650,000
2017	4,650,000
Thereafter	424,143,000
Total	447,393,000
Residence Inn Chicago Oak Brook
Ground Leases
Total rent paid		1,560,000
Period of additional terms for which lease may be extended	99 years
Amount payable for additional renewal term	1
Louisville Marriott Downtown
Ground Leases
Period of additional terms for which lease may be extended	25 years
Maximum number of additional terms for which lease may be extended	4
Courtyard Austin Downtown/Convention Center and Residence Inn Austin Downtown/Convention Center
Ground Leases
Annual ground rent	400,000
Contingent rent	500,000		500,000	300,000
Hilton Garden Inn Bloomington
Ground Leases
Period of additional terms for which lease may be extended	10 years
Maximum number of additional terms for which lease may be extended	5
Hilton Garden Inn Bloomington | Parking spaces
Ground Leases
Total rent paid	100,000		100,000	100,000
Hampton Inn Garden City
Ground Leases
Annual compliance fee	1
Courtyard Charleston Historic District
Ground Leases
Annual ground rent	800,000
Contingent rent	100,000		100,000	100,000
Maximum annual rent payable after periodic increase in annual base rent after 2021	1,000,000
Maximum number of rooms for which per night revenue considered to calculate the contingent rent payment	126
Courtyard Waikiki Beach
Ground Leases
Annual ground rent	3,500,000
Annual rent increase percentage for the first 10 years	5.00%
Annual rent increase percentage during the seven subsequent years	6.00%
Rent incurred	3,500,000		1,800,000	0
Above Market Leases | Courtyard Waikiki Beach
Ground Leases
Intangible assets amount	$ 7,900,000