INVESTMENTS - Allowance for Expected Credit Losses on Fixed Maturities (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] | ||||
| Balance at beginning of period | $ 4,183 | $ 4,237 | $ 3,938 | $ 10,759 |
| Expected credit losses on securities where credit losses were not previously recognized | 1,345 | 247 | 1,659 | 278 |
| Additions (reductions) for expected credit losses on securities where credit losses were previously recognized | (325) | 147 | (297) | (1,406) |
| Impairments of securities which the Company intends to sell or more likely than not will be required to sell | 0 | 0 | 0 | 0 |
| Securities sold/redeemed/matured | (160) | 0 | (257) | (5,000) |
| Balance at end of period | $ 5,043 | $ 4,631 | $ 5,043 | $ 4,631 |