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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, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Other Lending Investments |  |  |  |  |  |  |
Total |  | $ 171,296 |  | $ 162,538 |  |  |
Less: Allowance for loan losses |  |  |  |  |  |  |
Individually evaluated for impairment |  | (640) |  | (743) |  |  |
Collectively evaluated for impairment |  | (5,730) |  | (12,427) |  |  |
Total |  | (6,370) |  | (13,170) |  |  |
Individually Evaluated for Impairment |  | 58,179 |  | 52,562 |  |  |
Collectively Evaluated for Impairment |  | 347,330 |  | 679,768 |  |  |
Total loans receivable and other lending investments, net | [1] | 405,509 |  | 732,330 |  |  |
Net discounts |  | 800 |  | 800 |  |  |
Held-to-maturity debt securities |  |  |  |  |  |  |
Other Lending Investments |  |  |  |  |  |  |
Individually Evaluated for Impairment |  | 0 |  | 0 |  |  |
Collectively Evaluated for Impairment |  | 95,258 |  | 90,715 |  |  |
Total |  | 95,258 |  | 90,715 |  |  |
Available-for-sale debt securities |  |  |  |  |  |  |
Other Lending Investments |  |  |  |  |  |  |
Individually Evaluated for Impairment |  | 0 |  | 0 |  |  |
Collectively Evaluated for Impairment |  | 27,535 |  | 25,274 |  |  |
Total |  | 27,535 |  | 25,274 |  |  |
Construction Loans |  |  |  |  |  |  |
Loans |  |  |  |  |  |  |
Individually Evaluated for Impairment |  | 58,819 |  | 53,305 |  |  |
Collectively Evaluated for Impairment |  | 136,394 |  | 461,528 |  |  |
Total |  | 195,213 |  | 514,833 |  |  |
Less: Allowance for loan losses |  |  |  |  |  |  |
Total |  | (1,491) | $ (1,640) | (6,541) | $ (9,138) | $ (11,736) | $ (6,668)
Loans |  |  |  |  |  |  |
Loans |  |  |  |  |  |  |
Individually Evaluated for Impairment |  | 0 |  | 0 |  |  |
Collectively Evaluated for Impairment |  | 45,370 |  | 68,129 |  |  |
Total |  | 45,370 |  | 68,129 |  |  |
Less: Allowance for loan losses |  |  |  |  |  |  |
Total |  | (754) | (1,619) | (1,643) | (478) | (905) | $ (265)
Net discounts |  | 200 |  | 2,300 |  |  |
Financing receivables |  |  |  |  |  |  |
Loans |  |  |  |  |  |  |
Individually Evaluated for Impairment |  | 0 |  | 0 |  |  |
Collectively Evaluated for Impairment |  | 48,503 |  | 46,549 |  |  |
Total |  | 48,503 |  | 46,549 |  |  |
Less: Allowance for loan losses |  |  |  |  |  |  |
Total |  | $ (947) | $ (893) | $ (1,150) | $ (1,176) | $ (1,159) |
[1] | Refer to Note 2 for details on the Company’s consolidated variable interest entities (“VIEs”).

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