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Loans Receivable and Other Lending Investments, net (Credit Characteristics by Payment Status) (Details) - Commercial Portfolio Segment - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Recorded investment in loans, aged by payment status and presented by class |  |
Total | $ 213,488 | $ 212,683
Past Due |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 59,642 | 59,640
Greater Than 90 Days |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 59,642 | 59,640
Less Than and Equal to 90 Days |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 0 | 0
Current |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 153,846 | 153,043
Senior mortgages |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 200,818 | 199,608
Senior mortgages | Past Due |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 59,642 | 59,640
Senior mortgages | Greater Than 90 Days |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 59,642 | 59,640
Senior mortgages | Less Than and Equal to 90 Days |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 0 | 0
Senior mortgages | Current |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 141,176 | 139,968
Corporate/Partnership loans |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total |  | 618
Corporate/Partnership loans | Past Due |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total |  | 0
Corporate/Partnership loans | Greater Than 90 Days |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total |  | 0
Corporate/Partnership loans | Less Than and Equal to 90 Days |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total |  | 0
Corporate/Partnership loans | Current |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total |  | 618
Subordinate mortgages |  |
Recorded investment in loans, aged by payment status and presented by class |  |
Total | 12,670 | 12,457
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 | $ 12,670 | $ 12,457

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