Commitments and Contingencies Ground Lease (Details) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($) property	Aug. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Number of Real Estate Properties | property	36
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 8,269
Operating Leases, Future Minimum Payments, Due in Two Years	6,271
Operating Leases, Future Minimum Payments, Due in Three Years	6,283
Operating Leases, Future Minimum Payments, Due in Four Years	6,295
Operating Leases, Future Minimum Payments, Due in Five Years	6,307
Operating Leases, Future Minimum Payments, Due Thereafter	215,549
Operating Leases, Future Minimum Payments Due	$ 248,974
Land Lease [Member]
Loss Contingencies [Line Items]
Number of Real Estate Properties | property	9
Operating Leases, Rent Expense, Net	$ 5,600
Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		$ 9,900	$ 14,200	$ 15,500
DoubleTree Suites by Hilton Orlando - Lake Buena Vista [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	200
DoubleTree Suites by Hilton Orlando - Lake Buena Vista [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		600	800	800
Embassy Suites San Francisco Airport Waterfront [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	700
Embassy Suites San Francisco Airport Waterfront [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		1,000	1,500	1,400
Vinoy Renaissance St. Petersburg Resort & Golf Club [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	1,000
Vinoy Renaissance St. Petersburg Resort & Golf Club [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		1,200	1,800	1,800
Wyndham Boston Beacon Hill [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	300
Wyndham Boston Beacon Hill [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		400	600	600
Wyndham New Orleans French Quarter [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	100
Wyndham New Orleans French Quarter [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		400	500	400
Wyndham Pittsburgh University Center [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	100
Wyndham Pittsburgh University Center [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		300	500	2,100
Wyndham San Diego Bayside [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	1,500
Wyndham San Diego Bayside [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		2,100	2,600	2,600
Holiday Inn San Francisco Fisherman's Wharf [Member] | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net	$ 1,600
Holiday Inn San Francisco Fisherman's Wharf [Member] | Predecessor | Land Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Rent Expense, Net		$ 3,800	$ 5,700	$ 5,300