Management Agreements and Leases - InterContinental Agreement (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) hotel property	Dec. 31, 2016 USD ($) hotel	Dec. 31, 2015 USD ($) hotel
Property Subject to or Available for Operating Lease [Line Items]
Security deposit balance			$ 126,078	$ 89,338
Capital improvements from leased facilities, funded			$ 131,120	$ 187,652	$ 180,703
Number of Real Estate Properties | property			522
Hotels
Property Subject to or Available for Operating Lease [Line Items]
Number of properties acquired | hotel			20	4	11
Number of Real Estate Properties | hotel			323
InterContinental agreement | Hotels
Property Subject to or Available for Operating Lease [Line Items]
Number of real estate properties leased or managed | hotel			99
Operating agreement annual rent and return			$ 189,261
Realized returns and rents			178,883	$ 158,464	$ 146,921
Additional returns realized			12,250	$ 7,013	$ 5,134
Security deposit balance required to be maintained with entity			37,000
Amount by which the cash flow available to pay the entity's minimum rent or return was more than the minimum amount			100,000
Replenishment (utilization) of security deposit			$ 7,557
Number of properties acquired | hotel			5
Supplement provided on existing security deposit			$ 19,696
Security deposit balance			100,000
Capital improvements from leased facilities, funded			$ 4,272
Percentage increase in minimum returns after funding for capital improvements			8.00%
Forecast | InterContinental agreement | Hotels
Property Subject to or Available for Operating Lease [Line Items]
Capital improvements from leased facilities, funded	$ 20,000	$ 28,000