Fair Value Measurements and Interest Rate Derivatives - Interest Rate Derivative Agreements (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Interest Rate Derivative Agreements
Fair value of interest rate derivatives		$ (7,487)		$ (7,487)		$ 323
Fair values of derivative assets						$ 760
(Gain) loss on derivatives, net		$ (1,374)	$ 2	$ 7,810	$ 12
Hilton San Diego Bayfront mortgage payable
Interest Rate Derivative Agreements
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%
$85.0 million term loan
Interest Rate Derivative Agreements
Term loan total interest rate, including effect of swap agreement		3.391%		3.391%		3.391%
Interest rate, description of reference rate				LIBOR		LIBOR
$100.0 million term loan
Interest Rate Derivative Agreements
Term loan total interest rate, including effect of swap agreement	3.653%	3.653%		3.653%
Interest rate, description of reference rate	LIBOR			LIBOR
Interest Rate Cap | Not designated as hedging instrument | Hilton San Diego Bayfront mortgage payable
Interest Rate Derivative Agreements
Strike rate under interest rate cap agreement		4.25%		4.25%		4.25%
Interest rate, description of reference rate				1-Month LIBOR		1-Month LIBOR
Effective date				Apr. 15, 2015		Apr. 15, 2015
Maturity Date				May 01, 2017		May 01, 2017
Notional amount		$ 111,691		$ 111,691
Fair value of interest rate derivatives						$ 1
Interest Rate Swap | $85.0 million term loan
Interest Rate Derivative Agreements
Fixed rate under interest rate swap agreement		1.591%		1.591%		1.591%
Interest Rate Swap | $100.0 million term loan
Interest Rate Derivative Agreements
Fixed rate under interest rate swap agreement	1.853%	1.853%		1.853%
Interest Rate Swap | Not designated as hedging instrument | $85.0 million term loan
Interest Rate Derivative Agreements
Term loan total interest rate, including effect of swap agreement		3.391%		3.391%		3.391%
Interest rate, description of reference rate				1-Month LIBOR		1-Month LIBOR
Effective date				Oct. 29, 2015		Oct. 29, 2015
Maturity Date				Sep. 02, 2022		Sep. 02, 2022
Notional amount		$ 85,000		$ 85,000
Fair value of interest rate derivatives		$ (2,699)		$ (2,699)		$ 759
Fixed rate under interest rate swap agreement		1.591%		1.591%		1.591%
Interest Rate Swap | Not designated as hedging instrument | $100.0 million term loan
Interest Rate Derivative Agreements
Term loan total interest rate, including effect of swap agreement		3.653%		3.653%
Interest rate, description of reference rate				1-Month LIBOR
Effective date				Jan. 29, 2016
Maturity Date				Jan. 31, 2023
Notional amount		$ 100,000		$ 100,000
Fair value of interest rate derivatives		$ (4,788)		$ (4,788)		$ (437)
Fixed rate under interest rate swap agreement		1.853%		1.853%		1.853%