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Fair Value of Assets and Liabilities - Narrative (Details) - security | Sep. 30, 2025 | Dec. 31, 2024
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Quoted Prices in Active Markets for Identical Assets (Level 1) | Senior unsecured notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value measurement, number of debt securities | 2 | 2
Significant Other Observable Inputs (Level 2) | Senior unsecured notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value measurement, number of debt securities | 3 | 3
Significant Other Observable Inputs (Level 2) | Senior Secured Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value measurement, number of debt securities | 2 | 2

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