Hotel Management Agreements and Leases - Guarantees and Security Deposits Generally (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Management Agreements and Leases [Line Items]
Reduction of hotel operating expenses	$ 10,851	$ 6,662
Hotel
Management Agreements and Leases [Line Items]
Amount by which the cash flow available to pay the entity's minimum rent or return was less than the minimum amount	27,586	16,924
Shortfalls due to unguaranteed portions of minimum returns	17,769	11,889
Amount by which the cash flow available to pay the entity's minimum rent or return was more than the minimum amount	1,275	2,791
Increase in guarantee provided and security deposit to the entity	$ 1,275	$ 1,504