Supplemental Information to Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents	$ 320,147	$ 586,470	$ 456,672
Restricted cash reserves	64,695	72,606	67,206
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	384,842	659,076	523,878	$ 189,647
Interest paid	114,280	65,211	56,294
Income taxes paid	1,836	1,176	1,290
In conjunction with the sale of hotel properties, the Company recorded the following:
Sale of hotel properties	530,850	170,000	301,540
Escrow Deposits Related to Property Sales	1,000	14,000
Escrow related to certain post-closing obligations			15,000
Purchase Option for Land Subject to Ground Lease	(44,831)	0	0
Transaction costs	(10,668)	(4,564)	(16,693)
Operating prorations	(1,288)	843	(662)
Proceeds from the sale of hotel properties, net	475,063	180,279	269,185
Supplemental non-cash transactions (1)
Change in fair market value of designated interest rate swaps	7,349	13,748	11,700
Accrued capital expenditures	15,709	14,138	7,392
Distributions payable	65,557	65,284	41,486
Conversion of Stock, Amount Issued	$ 0	$ 0	$ 4,325