Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs Wyndham Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Hotel Operating Revenue, Departmental Expenses, and Other Property-Related Costs [Line Items]
Management Company NOI Guaranty, Amount Recorded	$ 1.0	$ 0.0