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Loans - Loan Balances (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | $ 13,158 | $ 9,253
Allowance for credit losses | (37,160) | (28,511)
Net loans |  | 2,049,931
Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 2,861,727 | 2,648,281
Allowance for credit losses | (37,160) | (28,511)
Net loans | 2,824,567 | 2,619,770
Commercial and Agriculture [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 3,698 | 859
Allowance for credit losses | (7,587) | (3,011)
Net loans |  | 278,595
Commercial and Agriculture [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 304,793 | 278,595
Commercial Real Estate Owner Occupied [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 127 | 110
Allowance for credit losses | (4,723) | (4,565)
Net loans |  | 371,147
Commercial Real Estate Owner Occupied [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 377,321 | 371,147
Commercial Real Estate Non Owner Occupied [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 0 | 1,164
Allowance for credit losses | (12,056) | (14,138)
Net loans |  | 1,018,736
Commercial Real Estate Non Owner Occupied [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 1,161,894 | 1,018,736
Residential Real Estate [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 7,403 | 5,097
Allowance for credit losses | (8,489) | (3,145)
Net loans |  | 119,991
Residential Real Estate [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 659,841 | 552,781
Real Estate Construction [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans |  | 219
Allowance for credit losses | (3,388) | (2,293)
Net loans |  | 198,955
Real Estate Construction [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 260,409 | 243,127
Farm Real Estate [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans |  | 7
Allowance for credit losses | (260) | (291)
Net loans |  | 24,708
Farm Real Estate [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 24,771 | 24,708
Lease Financing Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 1,733 | 1,381
Allowance for credit losses | (297) | (429)
Net loans |  | 36,797
Lease Financing Receivable [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 54,642 | 36,797
Consumer and Other [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 197 | 416
Allowance for credit losses | (341) | (98)
Net loans |  | 1,002
Consumer and Other [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | $ 18,056 | 20,775
Loan Participations Sold, Reflected as Secured Borrowings [Member] | Loans Receivable [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans |  | $ 101,615

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