Leases - Details of Rent Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Lessee, Lease, Description [Line Items]
Total rent expense	$ 362	$ 373	$ 1,111	$ 1,109
Ground Leases
Lessee, Lease, Description [Line Items]
Fixed rent expenses	235	245	728	725
Office And Equipment Leases
Lessee, Lease, Description [Line Items]
Fixed rent expenses	$ 127	$ 128	$ 383	$ 384