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Loans Receivable and Other Lending Investments, net (Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Financing Receivables
Allowance for loan losses at beginning of period			$ 4,769
Provision for (recovery of) loan losses	$ (157)	$ (1,610)	22,556	$ (7,411)
Allowance for loan losses at end of period	2,890		2,890
Held to Maturity Debt Securities
Allowance for loan losses at beginning of period	1,014	2,393	2,304	3,093
(Recovery of) provision for loan losses	(67)	145	23,643	(555)
Charge offs			(25,000)
Allowance for loan losses at end of period	947	2,538	947	2,538
Total
Allowance for loan losses at beginning of period	3,033	6,242	4,769	12,020
(Recovery of) Provision for loan losses	(143)	(819)	23,121	(6,597)
Charge offs			(25,000)
Allowance for loan losses at end of period	2,890	5,423	2,890	5,423
Provision for (recovery of) loan losses	(200)	(1,600)	22,600	(7,400)
Accounts Payable, Accrued Expenses and Other Liabilities
Total
Provision for ( recovery of) unfunded commitments		900		(900)
Construction Loans
Financing Receivables
Allowance for loan losses at beginning of period	861	1,640	1,213	6,541
Provision for (recovery of) loan losses	(13)	(149)	(365)	(5,050)
Allowance for loan losses at end of period	848	1,491	848	1,491
Loans
Financing Receivables
Allowance for loan losses at beginning of period	450	1,619	676	1,643
Provision for (recovery of) loan losses	(72)	(865)	(298)	(889)
Allowance for loan losses at end of period	378	754	378	754
Specific receivables
Financing Receivables
Allowance for loan losses at beginning of period	708	590	576	743
Provision for (recovery of) loan losses	9	50	141	(103)
Allowance for loan losses at end of period	$ 717	$ 640	$ 717	$ 640

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