Loans Receivable - Schedule of Loans Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Unamortized discounts, fees, and costs	$ (1,407)	$ (808)
Reserve for loan losses	(6,152)	(8,280)	$ (1,813)
Loans receivable, net	243,149	374,832
Loans and Leases Receivable, Remaining Commitments	40,000	40,000
Secured mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, gross	214,238	350,837
Reserve for loan losses	(6,152)	(8,280)	$ (1,804)
CCRC resident loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, gross	$ 36,470	$ 33,083