Commitments and Contingencies - Pension Trust Litigation (Details) $ in Millions	1 Months Ended
	Apr. 30, 2016 USD ($) hotel	Dec. 31, 2017 USD ($) property
Loss Contingencies [Line Items]
Number of Real Estate Properties | property		36
Loss contingency accrual | $		$ 5.4
Predecessor
Loss Contingencies [Line Items]
Withdrawal liability | $	$ 8.3
Predecessor | InterContinental Hotels Group PLC
Loss Contingencies [Line Items]
Number of Real Estate Properties	3
Predecessor | InterContinental Hotels Group PLC | Disposed of by sale
Loss Contingencies [Line Items]
Number of Real Estate Properties	2
Predecessor | Wyndham Hotel Group
Loss Contingencies [Line Items]
Number of Real Estate Properties	1