Leases (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($) tenant renewalOption	Dec. 31, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Lessor, number of tenants | tenant	2
Right-of-use asset | $	$ 2,230	$ 2,371
Lease liability | $	$ 2,356	$ 2,472
Ground Lease | Yonkers, NY
Lessee, Lease, Description [Line Items]
Number of renewal options | renewalOption	1
Renewal term option	21 years
Number of renewals remaining | renewalOption	0
Remaining term	21 years 9 months 18 days
Corporate Office | Great Neck, NY
Lessee, Lease, Description [Line Items]
Renewal term option	5 years
Remaining term	13 years 3 months 18 days