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INVESTMENTS - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO RATED BELOW-INVESTMENT GRADE WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF THE COST BASIS (Details) $ in Millions | Dec. 31, 2024 USD ($) issuer | Dec. 31, 2023 USD ($)
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Total, unrealized loss | $ (70.7) | $ (24.5)
Below-investment Grade |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less than 6 months, Number of issuers | issuer | 2 |
Less than 6 months, Cost basis | $ 25.2 |
Less than 6 months, Unrealized loss | (6.4) |
Less than 6 months, Estimated fair value | $ 18.8 |
Greater than 12 months, Number of issuers | issuer | 4 |
Greater than 12 months, Cost basis | $ 49.8 |
Greater than 12 months, Unrealized loss | (19.0) |
Greater than 12 months, Estimated fair value | 30.8 |
Total, cost basis | 75.0 |
Total, unrealized loss | (25.4) |
Total, estimated fair value | $ 49.6 |

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