Commitments and Contingencies - Summary of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Ground Leases
Long-term Purchase Commitment [Line Items]
Minimum lease expense	$ 777	$ 768	$ 1,555	$ 1,536
Variable lease expense	0	0	0	0
Total operating lease expense	777	768	1,555	1,536
New York and Los Angeles Offices
Long-term Purchase Commitment [Line Items]
Minimum lease expense	315	315	629	591
Total operating lease expense	$ 315	$ 315	$ 629	$ 591