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Fair Value of Financial Instruments - Estimated Fair Values and Related Carrying or Notional Amounts (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financial Assets: |  |
Securities - available-for-sale | $ 358,478 | $ 390,789
Financial Liabilities: |  |
Other borrowings |  | 10,000
Subordinated notes, net of unamortized issuance costs | 34,702 | 34,586
Reported Value Measurement [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 142,201 | 84,409
Interest-bearing time deposits | 2,740 | 4,442
Securities - available-for-sale | 358,478 | 390,789
Other securities | 17,138 | 9,799
Loans held for sale | 1,576 | 827
Loans, net | 2,556,167 | 2,336,074
Interest receivable | 11,774 | 10,440
Financial Liabilities: |  |
Total Deposits | 2,607,463 | 2,468,864
Fed funds purchased and securities sold under agreement to repurchase | 28,218 | 54,206
Federal Home Loan Bank advances | 265,750 | 127,485
Other borrowings |  | 10,000
Subordinated notes, net of unamortized issuance costs | 34,702 | 34,586
Interest payable | 5,441 | 1,739
Fair Value [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 142,201 | 84,409
Interest-bearing time deposits | 2,725 | 4,440
Securities - available-for-sale | 358,478 | 390,789
Other securities | 17,138 | 9,799
Loans held for sale | 1,552 | 815
Loans, net | 2,396,540 | 2,171,152
Interest receivable | 11,774 | 10,440
Financial Liabilities: |  |
Total Deposits | 2,600,613 | 2,454,475
Fed funds purchased and securities sold under agreement to repurchase | 28,218 | 54,206
Federal Home Loan Bank advances | 260,400 | 125,761
Other borrowings |  | 10,000
Subordinated notes, net of unamortized issuance costs | 30,676 | 30,993
Interest payable | 5,441 | 1,739
Level 1 [Member] |  |
Financial Assets: |  |
Cash and cash equivalents | 142,201 | 84,409
Securities - available-for-sale | 99,900 | 94,678
Financial Liabilities: |  |
Total Deposits | 528,465 | 532,794
Level 2 [Member] |  |
Financial Assets: |  |
Interest-bearing time deposits | 2,725 | 4,440
Securities - available-for-sale | 256,118 | 292,766
Financial Liabilities: |  |
Other borrowings |  | 10,000
Subordinated notes, net of unamortized issuance costs | 30,676 | 30,993
Level 3 [Member] |  |
Financial Assets: |  |
Securities - available-for-sale | 2,460 | 3,345
Other securities | 17,138 | 9,799
Loans held for sale | 1,552 | 815
Loans, net | 2,396,540 | 2,171,152
Interest receivable | 11,774 | 10,440
Financial Liabilities: |  |
Total Deposits | 2,072,148 | 1,921,681
Fed funds purchased and securities sold under agreement to repurchase | 28,218 | 54,206
Federal Home Loan Bank advances | 260,400 | 125,761
Interest payable | 5,441 | 1,739
Interest Bearing Deposits [Member] | Reported Value Measurement [Member] |  |
Financial Liabilities: |  |
Total Deposits | 1,415,981 | 1,378,090
Interest Bearing Deposits [Member] | Fair Value [Member] |  |
Financial Liabilities: |  |
Total Deposits | 1,416,007 | 1,377,944
Interest Bearing Deposits [Member] | Level 3 [Member] |  |
Financial Liabilities: |  |
Total Deposits | 1,416,007 | 1,377,944
Non Interest Bearing Deposits [Member] | Reported Value Measurement [Member] |  |
Financial Liabilities: |  |
Total Deposits | 528,465 | 532,794
Non Interest Bearing Deposits [Member] | Fair Value [Member] |  |
Financial Liabilities: |  |
Total Deposits | 528,465 | 532,794
Non Interest Bearing Deposits [Member] | Level 1 [Member] |  |
Financial Liabilities: |  |
Total Deposits | 528,465 | 532,794
Time Deposits [Member] | Reported Value Measurement [Member] |  |
Financial Liabilities: |  |
Total Deposits | 663,017 | 557,980
Time Deposits [Member] | Fair Value [Member] |  |
Financial Liabilities: |  |
Total Deposits | 656,141 | 543,737
Time Deposits [Member] | Level 3 [Member] |  |
Financial Liabilities: |  |
Total Deposits | $ 656,141 | $ 543,737

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