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Loans Receivable and Other Lending Investments, net (Investment in Loans and Associated Allowance for Loan Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Lending Investments
Total	$ 124,930	$ 115,989
Less: Allowance for loan losses
Individually evaluated for impairment	(576)	(743)
Collectively evaluated for impairment	(4,193)	(11,277)
Total	(4,769)	(12,020)
Individually Evaluated for Impairment	59,064	52,562
Collectively Evaluated for Impairment	273,780	634,369
Total loans receivable and other lending investments, net	332,844	686,931
Individually Evaluated for Impairment
Less: Allowance for loan losses
Net discounts	800	800
Collectively Evaluated for Impairment
Less: Allowance for loan losses
Net discounts	200	2,300
Held-to-maturity debt securities
Other Lending Investments
Individually Evaluated for Impairment	0	0
Collectively Evaluated for Impairment	96,838	90,715
Total	96,838	90,715
Available-for-sale debt securities
Other Lending Investments
Individually Evaluated for Impairment	0	0
Collectively Evaluated for Impairment	28,092	25,274
Total	28,092	25,274
Construction Loans
Loans
Individually Evaluated for Impairment	59,640	53,305
Collectively Evaluated for Impairment	125,621	461,528
Total	185,261	514,833
Less: Allowance for loan losses
Total	(1,213)	(6,541)	$ (6,668)
Loans
Loans
Individually Evaluated for Impairment	0	0
Collectively Evaluated for Impairment	27,422	68,129
Total	27,422	68,129
Less: Allowance for loan losses
Total	$ (676)	$ (1,643)	$ (265)

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