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DERIVATIVES - NARRATIVE (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Derivative [Line Items] |  |  |
Embedded derivative | $ 68.1 |  |
Fixed indexed call options |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,400.0 |  | $ 4,500.0
Embedded Derivative Related to Fixed Maturity Securities | Fixed indexed annuities |  |  |
Derivative [Line Items] |  |  |
Purchases of fixed maturity securities containing embedded derivatives | 52.0 | $ 51.2 |
Sales of fixed maturity securities containing embedded derivatives | $ 115.5 | $ 110.0 |

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