Intangible Assets (Details) - USD ($) $ in Thousands	Oct. 03, 2011	Mar. 18, 2010	Jun. 30, 2019	Dec. 31, 2018
Indefinite-lived Intangible Assets [Line Items]
Intangible assets			$ 36,105	$ 39,673
Less: accumulated amortization			(4,827)	(4,995)
Intangible assets, net			31,278	34,678
Air Rights Contract [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets			36,105	36,105
Favorable Ground Lease Agreement [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets			$ 0	$ 3,568
Hyatt Regency Boston [Member]
Indefinite-lived Intangible Assets [Line Items]
Air rights contract expiration month year		September 2079
Fair value of air rights contract		$ 36,100
Hilton Denver City Center [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	$ 3,600
Hilton Denver City Center [Member] | Favorable Ground Lease Agreement [Member]
Indefinite-lived Intangible Assets [Line Items]
Ground lease agreement expiration month year	February 2072