SCHEDULE III-REAL ESTATE AND ACCUMULATED DEPRECIATION (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Hotel properties
Reconciliation of land and buildings and improvements
Balance at the beginning of the period	$ 3,416,762	$ 2,801,963	$ 2,904,975
Acquisitions	324,844	533,962	172,354
Improvements	66,001	80,923	46,831
Changes in reporting presentation			(163,455)
Disposals during the period		(86)	(158,742)
Balance at the end of the period	3,807,607	3,416,762	2,801,963
Reconciliation of accumulated depreciation
Balance at the beginning of the period	524,014	439,446	457,431
Depreciation for the period	101,006	84,568	82,871
Changes in reporting presentation			(58,364)
Retirement			(42,492)
Balance at the end of the period	625,020	524,014	439,446
Investments in Other Real Estate
Reconciliation of land and buildings and improvements
Balance at the beginning of the period			12,437
Improvements			50
Changes in reporting presentation			(9,793)
Disposals during the period			(2,506)
Balance at the end of the period	188	188	188
Reconciliation of accumulated depreciation
Balance at the beginning of the period			2,865
Depreciation for the period			301
Changes in reporting presentation			(2,740)
Retirement			$ (426)