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Available-for-Sale Debt Securities - Additional Information (Details) - USD ($) | 9 Months Ended |
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Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract] |  |  |
Accrued interest receivables | $ 13,500,000 |  | $ 11,200,000
Accrued interest receivables write-off | $ 0 | $ 0 |

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