Leases - Lessee Accounting (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) tenant renewalOption	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Lessor, number of tenants | tenant	2
Right-of-use asset	$ 2,469	$ 2,568
Lease liability	$ 2,550	$ 2,629
Ground Lease | Yonkers, NY
Lessee, Lease, Description [Line Items]
Number of renewal options | renewalOption	1
Renewal term option	21 years
Remaining term	23 years 3 months 18 days
Corporate Office | Great Neck, NY
Lessee, Lease, Description [Line Items]
Renewal term option	5 years
Remaining term	14 years 6 months