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Loans Receivable - Loan Losses (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
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Sep. 30, 2021 loan | Dec. 31, 2022 USD ($) loan | Dec. 31, 2021 USD ($) loan
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Reserve for loan losses, beginning of period |  | $ 1,813 | $ 10,280
Provision for expected loan losses |  | 6,534 | 1,689
Expected loan losses related to loans sold or repaid |  | (67) | (10,156)
Reserve for loan losses, end of period |  | $ 8,280 | $ 1,813
Number of loans sold or repaid | loan | 1 | 2 | 6
Credit loss reserve on unfunded loan commitments |  | $ 800 | $ 300
Secured Loans |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Reserve for loan losses, beginning of period |  | 1,804 | 3,152
Provision for expected loan losses |  | 6,527 | 793
Expected loan losses related to loans sold or repaid |  | (51) | (2,141)
Reserve for loan losses, end of period |  | 8,280 | 1,804
Mezzanine and Other |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Reserve for loan losses, beginning of period |  | 9 | 7,128
Provision for expected loan losses |  | 7 | 896
Expected loan losses related to loans sold or repaid |  | (16) | (8,015)
Reserve for loan losses, end of period |  | $ 0 | $ 9

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- Definition Financing Receivable, Number of Contracts Sold + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Amount excluding accrued interest, of decrease from sale and reclassification to held-for-sale of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 11 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447 + Details
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