SCHEDULE III-Reconciliation of Carrying Amounts and Accumulated Depreciation (Details) - Hotel properties - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of land and buildings and improvements
Balance at the beginning of the period	$ 3,652,222	$ 3,807,607	$ 3,416,762
Acquisitions			324,844
Improvements	159,786	86,615	66,001
Changes in reporting presentation	(112,023)
Dispositions	(32,519)	(242,000)
Balance at the end of the period	3,667,466	3,652,222	3,807,607
Reconciliation of accumulated depreciation
Balance at the beginning of the period	707,737	625,020	524,014
Depreciation	107,409	108,153	101,006
Changes in reporting presentation	(37,506)
Retirement	(11,233)	(25,436)
Balance at the end of the period	$ 766,407	$ 707,737	$ 625,020