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Fair Value of Financial Instruments - Estimated Fair Values and Related Carrying or Notional Amounts (Detail) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financial Liabilities: |  |
Subordinated notes, net of unamortized issuance costs | $ 34,818 | $ 34,702
Reported Value Measurement [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 176,351 | 142,201
Interest-bearing time deposits | 2,482 | 2,740
Other securities | 14,400 | 17,138
Loans held for sale | 2,996 | 1,576
Loans, net | 2,536,043 | 2,556,167
Interest receivable | 12,657 | 11,774
Financial Liabilities: |  |
Total Deposits | 2,686,765 | 2,607,463
Fed funds purchased and securities sold under agreement to repurchase | 27,218 | 28,218
Federal Home Loan Bank advances | 246,056 | 265,750
Subordinated notes, net of unamortized issuance costs | 34,818 | 34,702
Interest payable | 6,618 | 5,441
Fair Value [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 176,351 | 142,201
Interest-bearing time deposits | 2,472 | 2,725
Other securities | 14,400 | 17,138
Loans held for sale | 2,996 | 1,552
Loans, net | 2,485,297 | 2,396,540
Interest receivable | 12,657 | 11,774
Financial Liabilities: |  |
Total Deposits | 2,682,850 | 2,600,613
Fed funds purchased and securities sold under agreement to repurchase | 27,218 | 28,218
Federal Home Loan Bank advances | 245,373 | 260,400
Subordinated notes, net of unamortized issuance costs | 31,983 | 30,676
Interest payable | 6,618 | 5,441
Level 1 [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 176,351 | 142,201
Financial Liabilities: |  |
Total Deposits | 516,904 | 528,465
Level 2 [Member] |  |
Financial Assets: |  |
Interest-bearing time deposits | 2,472 | 2,725
Financial Liabilities: |  |
Subordinated notes, net of unamortized issuance costs | 31,983 | 30,676
Level 3 [Member] |  |
Financial Assets: |  |
Other securities | 14,400 | 17,138
Loans held for sale | 2,996 | 1,552
Loans, net | 2,485,297 | 2,396,540
Interest receivable | 12,657 | 11,774
Financial Liabilities: |  |
Total Deposits | 2,165,946 | 2,072,148
Fed funds purchased and securities sold under agreement to repurchase | 27,218 | 28,218
Federal Home Loan Bank advances | 245,373 | 260,400
Interest payable | 6,618 | 5,441
Interest Bearing Deposits [Member] | Reported Value Measurement [Member] |  |
Financial Liabilities: |  |
Total Deposits | 1,522,280 | 1,415,981
Interest Bearing Deposits [Member] | Fair Value [Member] |  |
Financial Liabilities: |  |
Total Deposits | 1,521,097 | 1,416,007
Interest Bearing Deposits [Member] | Level 3 [Member] |  |
Financial Liabilities: |  |
Total Deposits | 1,521,097 | 1,416,007
Non Interest Bearing Deposits [Member] | Reported Value Measurement [Member] |  |
Financial Liabilities: |  |
Total Deposits | 516,904 | 528,465
Non Interest Bearing Deposits [Member] | Fair Value [Member] |  |
Financial Liabilities: |  |
Total Deposits | 516,904 | 528,465
Non Interest Bearing Deposits [Member] | Level 1 [Member] |  |
Financial Liabilities: |  |
Total Deposits | 516,904 | 528,465
Time Deposits [Member] | Reported Value Measurement [Member] |  |
Financial Liabilities: |  |
Total Deposits | 647,581 | 663,017
Time Deposits [Member] | Fair Value [Member] |  |
Financial Liabilities: |  |
Total Deposits | 644,849 | 656,141
Time Deposits [Member] | Level 3 [Member] |  |
Financial Liabilities: |  |
Total Deposits | $ 644,849 | $ 656,141

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