Summary of Significant Accounting Policies (Details)	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($) joint_venture	Aug. 31, 2017 USD ($)	Dec. 31, 2017 joint_venture	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Accounting Policies [Abstract]
Real estate interests, number of joint ventures | joint_venture	2		2
Equity method investment, ownership percentage	50.00%		50.00%
Summary of Significant Accounting Policies
Hotel operating revenue		$ (14,159,000)		$ (70,181,000)	$ (117,059,000)
Hotel departmental expenses		(53,930,000)		(94,632,000)	(132,545,000)
Interest expense, net	$ (19,270,340)
Transaction costs	$ 4,200,000
Minimum Percentage of Adjusted Taxable Income Currently Distributed to Qualify as REIT	(11.70%)		90.00%
Predecessor
Summary of Significant Accounting Policies
Amortization of deferred financing costs		2,800,000		4,000,000	5,400,000
Interest expense, net		(51,700,000.0)		(78,200,000)	(79,100,000)
Transaction costs		$ 68,200,000
Accounts Receivable to Prepaid Expenses And Other Assets | Restatement Adjustment
Summary of Significant Accounting Policies
Accounts receivable				15,400,000
Deferred Expenses To Prepaid Expenses And Other Assets | Restatement Adjustment
Summary of Significant Accounting Policies
Deferred expenses				4,500,000
Accrued Expenses And Other Liabilities To Advance Deposits And Deferred Revenue | Restatement Adjustment
Summary of Significant Accounting Policies
Accrued expenses and other liabilities				25,400,000
Accrued Expenses And Other Liabilities To Accrued Interest | Restatement Adjustment
Summary of Significant Accounting Policies
Accrued expenses and other liabilities				12,800,000
Hotel Operating Revenue To Room Revenue | Restatement Adjustment
Summary of Significant Accounting Policies
Hotel operating revenue				661,600,000	673,300,000
Hotel Operating Revenue To Food And Beverage Revenue | Restatement Adjustment
Summary of Significant Accounting Policies
Hotel operating revenue				155,200,000	158,500,000
Hotel Operating Revenue To Other Operating Department Revenue | Restatement Adjustment
Summary of Significant Accounting Policies
Hotel operating revenue				46,000,000	46,600,000
Hotel Departmental Expenses To Room Expense | Restatement Adjustment
Summary of Significant Accounting Policies
Hotel departmental expenses				171,900,000	172,300,000
Hotel Departmental Expenses To Food And Beverage Expense | Restatement Adjustment
Summary of Significant Accounting Policies
Hotel departmental expenses				119,000,000	123,400,000
Hotel Departmental Expenses To Other Operating Expense | Restatement Adjustment
Summary of Significant Accounting Policies
Hotel departmental expenses				15,100,000	17,500,000
Other Expenses To Property Tax, Insurance And Other | Restatement Adjustment
Summary of Significant Accounting Policies
Other expenses				12,700,000	12,500,000
Interest Expense, Net To Interest Income | Restatement Adjustment
Summary of Significant Accounting Policies
Interest expense, net				$ 62,000	$ 24,000
Land Improvements [Member]
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			15 years
Building Improvements [Member]
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			15 years
Building [Member]
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			40 years
Building [Member] | Predecessor
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			40 years
Furniture and Fixtures [Member] | Predecessor
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			10 years
Minimum | Furniture and Fixtures [Member]
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			3 years
Minimum | Land, Buildings and Improvements [Member] | Predecessor
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			15 years
Maximum | Furniture and Fixtures [Member]
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			5 years
Maximum | Land, Buildings and Improvements [Member] | Predecessor
Summary of Significant Accounting Policies
Property, Plant and Equipment, Useful Life			30 years
Unconsolidated Properties
Accounting Policies [Abstract]
Equity method investment, ownership percentage	50.00%		50.00%
Unconsolidated Properties | Predecessor
Accounting Policies [Abstract]
Equity method investment, ownership percentage	50.00%		50.00%	50.00%
The Knickerbocker New York [Member]
Summary of Significant Accounting Policies
Real Estate Properties Ownership Percentage	5.00%		5.00%