Loans - Loan Balances (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Total Loans	$ 1,997,879	$ 2,057,502
Allowance for loan losses	(26,641)	(25,028)
Net loans	1,971,238	2,032,474
Commercial and Agriculture [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	246,502	409,876
Commercial Real Estate Owner Occupied [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	295,452	278,413
Commercial Real Estate Non Owner Occupied [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	829,310	705,072
Residential Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	430,060	442,588
Real Estate Construction [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	157,127	175,609
Farm Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	28,419	33,102
Consumer and Other [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	$ 11,009	$ 12,842

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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