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Related Party Transactions - Additional Information (Detail) - Directors and Executive Officers [Member] $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) SecurityLoan | Dec. 31, 2023 USD ($)
Related Party Transaction [Line Items] |  |
Granted loans to affiliate companies | $ 56.2 | $ 54.3
New loans approved | 1.1 |
Subsequent advances | 9.7 |
Payment received | 8.9 |
Difference in related borrowings amounts | 1.9 |
Ownership interest amount | $ 43.2 | $ 47.1
Number of new loans approved | SecurityLoan | 5 |

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