Lease Accounting - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lessee, Lease, Description [Line Items]
Fixed	$ 1,259	$ 1,263
Variable	82	46
Total	1,341	1,309
Sublease income	830
New York, New York
Lessee, Lease, Description [Line Items]
Sublease income	42
Property operating
Lessee, Lease, Description [Line Items]
Fixed	878	886
Variable	15	7
Total	893	893
General and administrative(1)
Lessee, Lease, Description [Line Items]
Fixed	381	377
Variable	67	39
Total	$ 448	$ 416