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INVESTMENTS IN LIMITED PARTNERSHIPS (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) item | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) item | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) item
INVESTMENTS IN LIMITED PARTNERSHIPS |  |  |  |  |
Number of investments in affordable housing partnerships | item | 21 |  | 21 |  | 23
Investments in affordable housing partnerships carrying value, net | $ 99.7 |  | $ 99.7 |  | $ 98.8
Federal affordable housing tax credits | 96.5 |  | 96.5 |  |
Expected amortization of investments in affordable housing partnerships | 86.5 |  | 86.5 |  |
Usage of federal affordable housing tax credits | 3.2 | $ 2.8 | 9.6 | $ 8.4 |
Actual amortization of investments in affordable housing partnerships | $ 3.1 | $ 2.5 | $ 8.7 | $ 7.6 |

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