Commitments and Contingencies - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) extension_option	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Management Agreements [Line Items]
Combined base and incentive management fees		$ 13,300	$ 6,100	$ 22,800	$ 11,400
Commitments and Contingencies [Abstract]
Reserve funds allowed for hotel maintenance from hotel revenue				4.00%
Restricted cash		28,274		$ 28,274		$ 24,445
Ground rent expense		7,800	$ 3,400	15,400	$ 6,500
Fixed ground rent expense		4,200		8,500
Variable ground rent expense		$ 3,600		$ 6,900
Hotel Palomar Los Angeles Beverly Hills
Commitments and Contingencies [Abstract]
Number of extension options | extension_option				19
Term of extension option				5 years
Hotel Vitale
Commitments and Contingencies [Abstract]
Term of extension option				14 years
Hotel Zeppelin San Francisco
Commitments and Contingencies [Abstract]
Term of extension option				30 years
Solamar Hotel
Commitments and Contingencies [Abstract]
Acquisition of ground lease underlying land	$ 6,900
Minimum
Management Agreements [Line Items]
Terms of management agreements not including renewals				1 year
Terms of management agreements including renewals				1 year
Termination fees range				0
Base management fee from hotel revenues				1.00%
Maximum
Management Agreements [Line Items]
Terms of management agreements not including renewals				22 years
Terms of management agreements including renewals				52 years
Termination fees range				7
Base management fee from hotel revenues				4.00%