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FAIR VALUE MEASUREMENTS - NARRATIVE (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Fair Value Disclosures [Abstract] |  |
Fair value of level 3 fixed maturity securities and trading securities valued using broker quotes, percentage | 95.00% |
Residual tranches amount | $ 99.2 | $ 92.7
Unfunded commitments | $ 25.4 |
Available for sale fixed maturities classified as level 3, investment grade, percent | 81.00% |
Available for sale fixed maturities classified as Level 3 and corporate securities | 80.00% |

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- Definition Available for Sale Fixed Maturities with Significant Unobservable Inputs, Investment Grade, Percent + References No definition available. + Details
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- Definition Available for Sale Maturities with Significant Unobservable Inputs, Corporate Securities, Percent + References No definition available. + Details
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- References No definition available. + Details
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