INVESTMENTS - Allowance for Expected Credit Losses on Mortgage Loans (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] | ||||
| Balance at beginning of period | $ 29,308 | $ 25,862 | $ 29,742 | $ 23,378 |
| Expected credit losses on loans where credit losses were not previously recognized | 0 | 1,019 | 0 | 1,019 |
| Additions (reductions) for expected credit losses on loans where credit losses were previously recognized | 2,256 | 454 | 6,417 | 2,938 |
| Loans sold/redeemed/matured | (3,607) | 0 | (8,202) | 0 |
| Balance at end of period | $ 27,957 | $ 27,335 | $ 27,957 | $ 27,335 |