Acquisitions and Dispositions - Summary of Hotel Portfolio Properties Sold (Detail)	9 Months Ended
	Sep. 30, 2019
Pointe Hilton Squaw Peak Resort [Member]
Business Acquisition [Line Items]
Location	Phoenix, Arizona
Month Sold	2019-02
Hilton Nuremberg [Member]
Business Acquisition [Line Items]
Location	Nuremberg, Germany
Month Sold	2019-03
Hilton Atlanta Airport [Member]
Business Acquisition [Line Items]
Location	Atlanta, Georgia
Month Sold	2019-06
Hilton New Orleans Airport [Member]
Business Acquisition [Line Items]
Location	New Orleans, Louisiana	[1]
Month Sold	2019-06	[1]
Embassy Suites Parsippany [Member]
Business Acquisition [Line Items]
Location	Parsippany, New Jersey	[1]
Month Sold	2019-06	[1]

[1] Hotels were sold as a portfolio in the same transaction.