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INVESTMENTS - Mortgage Loans (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Commercial | $ 529,075,000 | $ 616,368,000 |  |
Allowance for expected credit losses | (23,378,000) | (6,220,000) | $ 0 | $ 0
Total mortgage loans held for investment | $ 505,697,000 | $ 610,148,000 |  |
Commercial (as a percent) | 105.00% | 101.00% |  |
Allowance for expected credit losses (as a percent) | (5.00%) | (1.00%) |  |
Total mortgage loans, held-for investment (as a percent) | 100.00% | 100.00% |  |
Debt service coverage ratio, in excess of | 1.7 | 1.9 |  |
Loan-to-value ratio, percent (less than) | 78.00% | 71.00% |  |
Commercial mortgage loans, past due amount | $ 0 | $ 0 |  |
Mortgage loans | Sector Concentration Risk | Mortgage Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Concentration risk, percentage | 43.00% | 41.00% |  |

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- Definition Percentage, before allowance for credit loss, of financing receivable to total financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
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