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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY - RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Subsidiaries | Affiliated Notes |  |  |
Related Party Transaction [Line Items] |  |  |
Interest income | $ 7.0 | $ 6.0 | $ 3.0
Parent Company |  |  |
Related Party Transaction [Line Items] |  |  |
Interest income | 107.9 | 181.0 | 80.3
Parent Company | Subsidiaries |  |  |
Related Party Transaction [Line Items] |  |  |
Interest expense | 28.0 | 33.0 | 30.0
Parent Company | Subsidiaries | Short-Term Lending |  |  |
Related Party Transaction [Line Items] |  |  |
Interest income | $ 84.0 | $ 164.0 | $ 71.0

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