Commitments and Contingencies - Additional Information (Detail) $ in Millions		12 Months Ended
	Dec. 31, 2019 USD ($) lawsuit letter_of_credit Hotel	Dec. 31, 2019 USD ($) Hotel letter_of_credit lease term	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Commitment And Contingencies [Line Items]
Number of ground leased hotel properties | Hotel	5	5
Hotel site for which development is in process | Hotel	1	1
Termination period of ground lease agreements, Start		2023
Termination period of ground lease agreements, End		2096
Lease renewal term	5 years	5 years
Option to renew the lease for two additional terms | term		2
Rent expense on office and ground leases | $			$ 3.2	$ 3.2
Number of outstanding letters of credit | letter_of_credit	1	1
Letters of credit outstanding | $	$ 0.2	$ 0.2
Number of lawsuits | lawsuit	6
Land
Commitment And Contingencies [Line Items]
Number of operating leases | lease		3
Number of finance leases | lease		2
Minimum
Commitment And Contingencies [Line Items]
Lease renewal term	5 years	5 years
Maximum
Commitment And Contingencies [Line Items]
Lease renewal term	10 years	10 years