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Loans Receivable and Other Lending Investments, net (Credit Characteristics by Payment Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Recorded investment in loans, aged by payment status and presented by class
Total	$ 16,576	$ 49,580
Past Due
Recorded investment in loans, aged by payment status and presented by class
Total	0	29,493
Greater Than 90 Days
Recorded investment in loans, aged by payment status and presented by class
Total	0	0
Less Than and Equal to 90 Days
Recorded investment in loans, aged by payment status and presented by class
Total	0	29,493
Current
Recorded investment in loans, aged by payment status and presented by class
Total	16,576	20,087
Senior mortgages
Recorded investment in loans, aged by payment status and presented by class
Total	2,550	36,249
Senior mortgages | Past Due
Recorded investment in loans, aged by payment status and presented by class
Total	0	29,493
Senior mortgages | Greater Than 90 Days
Recorded investment in loans, aged by payment status and presented by class
Total	0	0
Senior mortgages | Less Than and Equal to 90 Days
Recorded investment in loans, aged by payment status and presented by class
Total	0	29,493
Senior mortgages | Current
Recorded investment in loans, aged by payment status and presented by class
Total	2,550	6,756
Subordinate mortgages
Recorded investment in loans, aged by payment status and presented by class
Total	14,026	13,331
Subordinate mortgages | Past Due
Recorded investment in loans, aged by payment status and presented by class
Total	0	0
Subordinate mortgages | Greater Than 90 Days
Recorded investment in loans, aged by payment status and presented by class
Total	0	0
Subordinate mortgages | Less Than and Equal to 90 Days
Recorded investment in loans, aged by payment status and presented by class
Total	0	0
Subordinate mortgages | Current
Recorded investment in loans, aged by payment status and presented by class
Total	$ 14,026	$ 13,331

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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