Notes Payable (Details) $ in Thousands				1 Months Ended			2 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($) property	Nov. 30, 2017	Dec. 31, 2016 USD ($) property	Nov. 30, 2017	Jan. 31, 2017	Jan. 31, 2016	Dec. 31, 2017 USD ($) property	Dec. 31, 2017 USD ($) property	Dec. 31, 2016 USD ($) property
Notes payable
Total notes payable	$ 990,402		$ 935,944				$ 990,402	$ 990,402	$ 935,944
Current portion of notes payable	7,420		186,034				7,420	7,420	186,034
Less: current portion of deferred financing fees	(1,943)		(1,105)				(1,943)	(1,943)	(1,105)
Current portion of notes payable, net	5,477		184,929				5,477	5,477	184,929
Notes payable, less current portion	982,982		749,910				982,982	982,982	749,910
Less: long-term portion of deferred financing fees	(5,700)		(3,536)				(5,700)	(5,700)	(3,536)
Carrying value of notes payable, less current portion	977,282		$ 746,374				977,282	977,282	$ 746,374
Aggregate future principal maturities and amortization of notes payable
2018	7,420						7,420	7,420
2019	7,957						7,957	7,957
2020	304,137						304,137	304,137
2021	111,247						111,247	111,247
2022	88,446						88,446	88,446
Thereafter	471,195						471,195	471,195
Total	$ 990,402						$ 990,402	$ 990,402
Notes payable maturing in various years
Notes payable
Number of hotels provided as collateral | property	4		5				4	4	5
Total notes payable	$ 345,402		$ 528,604				$ 345,402	$ 345,402	$ 528,604
Notes payable maturing in various years | Minimum
Notes payable
Fixed interest rate (as a percent)	4.12%		4.12%				4.12%	4.12%	4.12%
Debt maturity date								Nov. 01, 2020	Nov. 01, 2020
Notes payable maturing in various years | Maximum
Notes payable
Fixed interest rate (as a percent)	5.95%		5.95%				5.95%	5.95%	5.95%
Debt maturity date								Jan. 01, 2025	Jan. 01, 2025
Hilton San Diego Bayfront mortgage payable
Notes payable
Number of hotels provided as collateral | property	1		1				1	1	1
Debt maturity date				Dec. 01, 2020				Dec. 01, 2020
Interest rate, description of reference rate	one-month LIBOR			one-month LIBOR
Interest rate added to base rate (as a percent)				1.05%				1.05%
Number of extension periods available for secured debt	3	3
Term of extension period for secured debt	1 year			1 year
Total notes payable	$ 220,000						$ 220,000	$ 220,000
Hilton San Diego Bayfront previous mortgage payable
Notes payable
Debt maturity date			Aug. 08, 2019	Aug. 08, 2019
Interest rate, description of reference rate			one-month LIBOR	one-month LIBOR
Interest rate added to base rate (as a percent)				2.25%					2.25%
Total notes payable			$ 222,340						$ 222,340
$85.0 million term loan
Notes payable
Debt maturity date								Sep. 01, 2022	Sep. 01, 2022
Term loan total interest rate, including effect of swap agreement	3.391%		3.391%				3.391%	3.391%	3.391%
Total notes payable	$ 85,000		$ 85,000				$ 85,000	$ 85,000	$ 85,000
$85.0 million term loan | Minimum
Notes payable
Interest rate added to base rate (as a percent)								1.80%	1.80%
$85.0 million term loan | Maximum
Notes payable
Interest rate added to base rate (as a percent)								2.55%	2.55%
$100.0 million term loan
Notes payable
Debt maturity date								Jan. 01, 2023	Jan. 01, 2023
Interest rate, description of reference rate						one-month LIBOR
Term loan total interest rate, including effect of swap agreement	3.653%		3.653%			3.653%	3.653%	3.653%	3.653%
Total notes payable	$ 100,000		$ 100,000				$ 100,000	$ 100,000	$ 100,000
$100.0 million term loan | Minimum
Notes payable
Interest rate added to base rate (as a percent)						1.80%		1.80%	1.80%
$100.0 million term loan | Maximum
Notes payable
Interest rate added to base rate (as a percent)						2.55%		2.55%	2.55%
Series A Senior Notes
Notes payable
Fixed interest rate (as a percent)	4.69%				4.69%		4.69%	4.69%
Debt maturity date					Jan. 10, 2026			Jan. 10, 2026
Total notes payable	$ 120,000						$ 120,000	$ 120,000
Series B Senior Notes
Notes payable
Fixed interest rate (as a percent)	4.79%				4.79%		4.79%	4.79%
Debt maturity date					Jan. 10, 2028			Jan. 10, 2028
Total notes payable	$ 120,000						$ 120,000	$ 120,000
Not designated as hedging instrument | Interest Rate Cap | Hilton San Diego Bayfront mortgage payable
Notes payable
Interest rate, description of reference rate							one-month LIBOR
Not designated as hedging instrument | Interest Rate Cap | Hilton San Diego Bayfront previous mortgage payable
Notes payable
Interest rate, description of reference rate									one-month LIBOR
Not designated as hedging instrument | Interest Rate Swap | $85.0 million term loan
Notes payable
Interest rate, description of reference rate								one-month LIBOR	one-month LIBOR
Fixed rate under interest rate swap agreement	1.591%		1.591%				1.591%	1.591%	1.591%
Term loan total interest rate, including effect of swap agreement	3.391%		3.391%				3.391%	3.391%	3.391%
Not designated as hedging instrument | Interest Rate Swap | $100.0 million term loan
Notes payable
Interest rate, description of reference rate								one-month LIBOR	one-month LIBOR
Fixed rate under interest rate swap agreement	1.853%		1.853%			1.853%	1.853%	1.853%	1.853%
Term loan total interest rate, including effect of swap agreement	3.653%		3.653%				3.653%	3.653%	3.653%