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Loans Receivable and Other Lending Investments, net (Investment in Loans and Associated Allowance for Loan Loss) (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Loans
Total		$ 16,576		$ 49,580
Available-for-sale debt securities
Total		4,081		0
Less: Allowance for loan losses
Individually evaluated for impairment		0		(396)
Collectively evaluated for impairment		(484)		(529)
Total		(484)		(925)
Individually Evaluated for Impairment		0		29,097
Collectively Evaluated for Impairment		20,173		19,558
Total loans receivable and other lending investments, net	[1]	20,173		48,655
Available-for-sale debt securities
Available-for-sale debt securities
Collectively Evaluated for Impairment		4,081
Total		4,081		0
Available-for-sale debt securities | Individually Evaluated for Impairment
Available-for-sale debt securities
Individually Evaluated for Impairment		0
Construction Loans
Loans
Individually Evaluated for Impairment				29,493
Collectively Evaluated for Impairment				6,756
Total		0		36,249
Less: Allowance for loan losses
Total				(92)	$ (848)	$ (861)	$ (1,213)
Net premiums (discounts)				100
Loans
Loans
Individually Evaluated for Impairment		0		0
Collectively Evaluated for Impairment		16,576		13,331
Total		16,576		13,331
Less: Allowance for loan losses
Total		$ (484)	$ (389)	$ (437)	$ (378)	$ (450)	$ (676)
[1] Refer to Note 2 for details on the Company’s combined and consolidated variable interest entities (“VIEs”).

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