Other Assets - Additional Information (Detail)		3 Months Ended	6 Months Ended	12 Months Ended
	May 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($) Hotel	Dec. 31, 2018 USD ($) Hotel
Other Assets [Line Items]
Number of hotels classified as assets held for sale | Hotel			0	1
Gross proceeds from sale of hotel classified as assets held for sale		$ 3,000,000
Gain on sale of hotel classified as assets held for sale			$ 0
CMBS Loan Agreement [Member]
Other Assets [Line Items]
Aggregate notional amount	$ 1,035,000,000
LIBOR floor percentage	3.25%
Interest rate swap agreement expiration date	Jul. 15, 2020
CMBS Loan Agreement [Member] | Maximum [Member]
Other Assets [Line Items]
Net carrying amount of interest rate cap		$ 100,000	$ 100,000	$ 200,000