Summary of Significant Accounting Policies - Other Narrative (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2012
Investment [Line Items]
Percentage of revenue composed of nearly all hotel operating revenue	100.00%
Maximum term of investments to be considered cash equivalents	3 months
Foreign currency translation	$ 0	$ 24,937,000
Capitalized costs	25,900,000	23,600,000	22,200,000
Number of reportable segments (in segment)	1
Reclassification of foreign currency translation to gain	$ 24,448,000	$ 0	$ 0
Term for sale to be probable once buyer completed due diligence review of asset	12 months
Unconsolidated Entities [Member]
Investment [Line Items]
Recovery term in excess of which declines in value are considered other than temporary	12 months