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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
Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,018,985
Special Mention [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 14,801
Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 15,972
Doubtful [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 173
Commercial and Agriculture [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 278,595
Commercial and Agriculture [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 273,291
Commercial and Agriculture [Member] | Special Mention [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,558
Commercial and Agriculture [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,746
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 Owner Occupied [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 367,652
Commercial Real Estate Owner Occupied [Member] | Special Mention [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 734
Commercial Real Estate Owner Occupied [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 2,761
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
Commercial Real Estate Non Owner Occupied [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 1,003,942
Commercial Real Estate Non Owner Occupied [Member] | Special Mention [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 10,947
Commercial Real Estate Non Owner Occupied [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 3,847
Residential Real Estate [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 119,991
Residential Real Estate [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 114,021
Residential Real Estate [Member] | Special Mention [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 183
Residential Real Estate [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 5,787
Real Estate Construction [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 198,955
Real Estate Construction [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 198,734
Real Estate Construction [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 221
Farm Real Estate [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 24,708
Farm Real Estate [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 24,283
Farm Real Estate [Member] | Special Mention [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 379
Farm Real Estate [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 46
Lease Financing Receivables [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 36,797
Lease Financing Receivables [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 36,223
Lease Financing Receivables [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 401
Lease Financing Receivables [Member] | Doubtful [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 173
Consumer and Other [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 1,002
Consumer and Other [Member] | Pass [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | 839
Consumer and Other [Member] | Substandard [Member] |
Financing Receivable, Recorded Investment [Line Items] |
Loans with credit exposures as assigned an internal risk grade | $ 163

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