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Debt Securities Available for Sale - Debt securities available- for-sale - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale securities transfer to Held-to-maturity | $ 0 | $ 0 | $ 6,531,092
Gross unrealized losses | $ 1,273,984 | $ 1,373,513 |

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