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Loans Receivable and Other Lending Investments, net (Allowance for Loan Losses) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jan. 01, 2020 USD ($)
Financing Receivables
Allowance for loan losses at beginning of period	$ 4,769
Provision for (recovery of) loan losses	44,998	$ (8,085)	$ 8,866
Transfers	(2,304)
Allowance for loan losses at end of period	925	4,769
Held to Maturity Debt Securities
Allowance for loan losses at beginning of period	2,304	3,093
Provision for (recovery of) loan losses		(789)	3,073
Charge offs	(22,200)
Allowance for loan losses at end of period		2,304	3,093
Total
Allowance for loan losses at beginning of period	4,769	12,020	28,634
Provision for (recovery of) loan losses	45,070	(7,251)	(9,510)
Charge offs	(48,914)		(25,889)
Allowance for loan losses at end of period	$ 925	4,769	12,020
Provision for (recovery of) loan losses		(8,100)
Provision for ( recovery of) unfunded commitments		1,000
Increase to reserves for loan losses		100
Number of loans transferred to Held for Sale | loan	1
Accrued Interest And Operating Lease Income Receivable, Net
Financing Receivables
Provision for (recovery of) loan losses			900
Accounts Payable, Accrued Expenses and Other Liabilities
Total
Provision for (recovery of) loan losses			8,900
Provision for ( recovery of) unfunded commitments			1,500
Period of Adoption, Adjustment
Held to Maturity Debt Securities
Allowance for loan losses at beginning of period		20
Allowance for loan losses at end of period			20
Total
Allowance for loan losses at beginning of period		(235)
Allowance for loan losses at end of period			(235)
Period of Adoption, Adjustment | ASU 2016-13
Total
Increase to reserves for loan losses				$ 2,300
Period of Adoption, Adjustment | ASU 2016-13 | Accounts Payable, Accrued Expenses and Other Liabilities
Total
Increase to reserves for loan losses				$ 2,500
Construction Loans
Financing Receivables
Allowance for loan losses at beginning of period	$ 1,213	6,541	6,668
Provision for (recovery of) loan losses	(725)	(5,328)	226
Transfers	(396)
Allowance for loan losses at end of period	92	1,213	6,541
Construction Loans | Period of Adoption, Adjustment
Financing Receivables
Allowance for loan losses at beginning of period		(353)
Allowance for loan losses at end of period			(353)
Loans
Financing Receivables
Allowance for loan losses at beginning of period	676	1,643	265
Provision for (recovery of) loan losses	(239)	(967)	1,280
Allowance for loan losses at end of period	437	676	1,643
Loans | Period of Adoption, Adjustment
Financing Receivables
Allowance for loan losses at beginning of period		98
Allowance for loan losses at end of period			98
Specific receivables
Financing Receivables
Allowance for loan losses at beginning of period	576	743	21,701
Provision for (recovery of) loan losses	46,034	(167)	4,931
Transfers	2,700
Charge offs	(48,914)		(25,889)
Allowance for loan losses at end of period	396	$ 576	$ 743
Total
Provision for (recovery of) loan losses	$ 23,800

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