Acquisitions - Additional Information (Detail) AUD in Millions, $ in Millions				1 Months Ended				12 Months Ended
	Feb. 16, 2017 USD ($) Room	Dec. 30, 2015 USD ($)	Jun. 08, 2015 USD ($) Room	Oct. 31, 2016 USD ($) Apartment	Oct. 31, 2016 AUD Apartment	Jul. 31, 2016 USD ($)	Feb. 28, 2015 USD ($) Parcel	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Acquisition-related expenses								$ 1.0
Key Bridge Marriott
Business Acquisition [Line Items]
Asset acquisition						$ 54.0
Minneapolis Marriott City Center
Business Acquisition [Line Items]
Asset acquisition		$ 34.0
Sheraton Indianapolis Hotel at Keystone Crossing
Business Acquisition [Line Items]
Asset acquisition							$ 4.6
Number of out-parcels | Parcel							2
Hilton Melbourne South Wharf
Business Acquisition [Line Items]
Other asset acquisition				$ 4.0	AUD 5
Hilton Melbourne South Wharf | Apartment
Business Acquisition [Line Items]
Number of rooms/apartment | Apartment				8	8
The Phoenician Hotel
Business Acquisition [Line Items]
Number of rooms/apartment | Room			643
Acquisition purchase price			$ 400.0
The Don CeSar Hotel | Beach House Suites | Subsequent Event
Business Acquisition [Line Items]
Number of rooms/apartment | Room	347
Acquisition purchase price	$ 214.0
The estimated fair value of the assets acquired	$ 214.0