Loans Receivable - Schedule of Loans Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Unamortized discounts, fees, and costs	$ (1,565)	$ (4,186)
Reserve for loan losses	(5,115)	(1,813)	$ (10,280)
Loans receivable, net	383,991	415,811
Remaining loans receivable commitments	41,000	58,000
Secured mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, gross	360,092	396,281
Mezzanine and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, gross	$ 30,579	$ 25,529