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INVESTMENTS - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |  |
Investment in private equity limited partnership, financial information, lag period | 3 months |
Investment in private equity limited partnership, recognition of net asset value, delay period | 3 months |
Net cumulative contribution capital | $ 0.0 | $ 4.8
Contribution capital measured at net asset value | $ 4.0 | $ 4.0

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