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Fair Values of Assets and Liabilities - Schedule of Assets Measured on Nonrecurring Basis (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Assets | $ 1,241,183 | $ 1,083,474
Fair Value, Nonrecurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Impaired loans | 53,491 | 34,923
Fair Value Measurement Of Assets On Nonrecurring Basis Net Losses On Impaired Loans | (16,287) | (6,606)
Other Real Estate Owned Assets Fair Value | 1,215 | 609
Fair Value Measurement Of Assets On Nonrecurring Basis Net Losses On Other Real Estate Owned | (29) | (6)
Total Assets | 54,706 | 35,532
Fair Value Measurement Of Assets On Nonrecurring Basis Net Loss | (16,316) | (6,612)
Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Assets | 0 | 0
Level 1 [Member] | Fair Value, Nonrecurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Impaired loans | 0 | 0
Other Real Estate Owned Assets Fair Value | 0 | 0
Total Assets | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Assets | 1,241,183 | 1,083,474
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Impaired loans | 39,407 | 25,215
Other Real Estate Owned Assets Fair Value | 1,215 | 609
Total Assets | 40,622 | 25,824
Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total Assets | 0 | 0
Level 3 [Member] | Fair Value, Nonrecurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Impaired loans | 14,084 | 9,708
Other Real Estate Owned Assets Fair Value | 0 | 0
Total Assets | $ 14,084 | $ 9,708

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