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Allowance for Loan Losses - Credit Exposures by Internally Assigned Grades (Detail) $ in Thousands | Dec. 31, 2022 USD ($)
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Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | $ 2,049,931
Commercial and Agriculture [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 278,595
Commercial Real Estate Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 371,147
Commercial Real Estate Non Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 1,018,736
Residential Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 119,991
Real Estate Construction [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 198,955
Farm Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 24,708
Lease Financing Receivable [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 36,797
Consumer and Other [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 1,002
Pass [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,018,985
Pass [Member] | Commercial and Agriculture [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 273,291
Pass [Member] | Commercial Real Estate Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 367,652
Pass [Member] | Commercial Real Estate Non Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 1,003,942
Pass [Member] | Residential Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 114,021
Pass [Member] | Real Estate Construction [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 198,734
Pass [Member] | Farm Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 24,283
Pass [Member] | Lease Financing Receivable [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 36,223
Pass [Member] | Consumer and Other [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 839
Special Mention [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 14,801
Special Mention [Member] | Commercial and Agriculture [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,558
Special Mention [Member] | Commercial Real Estate Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 734
Special Mention [Member] | Commercial Real Estate Non Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 10,947
Special Mention [Member] | Residential Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 183
Special Mention [Member] | Farm Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 379
Substandard [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 15,972
Substandard [Member] | Commercial and Agriculture [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,746
Substandard [Member] | Commercial Real Estate Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,761
Substandard [Member] | Commercial Real Estate Non Owner Occupied [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 3,847
Substandard [Member] | Residential Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 5,787
Substandard [Member] | Real Estate Construction [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 221
Substandard [Member] | Farm Real Estate [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 46
Substandard [Member] | Lease Financing Receivable [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 401
Substandard [Member] | Consumer and Other [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 163
Doubtful [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 173
Doubtful [Member] | Lease Financing Receivable [Member] |
Financing Receivable Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | $ 173

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