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MORTGAGE LOAN RECEIVABLES - Provision for Loan Losses (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) loans | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) loans
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Allowance for credit losses at beginning of period | $ 20,755 | $ 31,752 | $ 31,752
Provision for (release of) current expected credit loss, net | 4,744 | 580 |
Allowance for credit losses at end of period | 25,499 | 32,332 | 20,755
Principal balance of loans on non-accrual status | 53,624 |  | 53,809
Total mortgage loan receivables held for investment, net, at amortized cost |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Allowance for credit losses at beginning of period | 20,755 | 31,752 | 31,752
Allowance for credit losses at end of period | 25,499 | 32,332 | 20,755
Asset Specific Reserve, Company Loan |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Allowance for credit losses at beginning of period | 2,700 |  |
Allowance for credit losses at end of period | 2,700 |  | $ 2,700
Additional asset-specific reserve | $ 0 | $ 0 |
Number or loans in default | loans | 2 |  | 2
One loan | Total mortgage loan receivables held for investment, net, at amortized cost |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Principal balance of loans on non-accrual status | $ 30,500 |  |
Number or loans in default | loans | 1 |  |

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- Definition Financing Receivable Recorded Investment, Excluding Accrued Interest, Nonaccrual Loans + References No definition available. + 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 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 Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable from change in methodology. 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 (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447 + Details
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- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. 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 16 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 + Details
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