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Loans - Loan Balances (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Total Loans	$ 2,018,188	$ 1,997,879
Allowance for loan losses	(27,033)	(26,641)
Net loans	1,991,155	1,971,238
Commercial and Agriculture [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	218,443	246,502
Commercial Real Estate Owner Occupied [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	301,352	295,452
Commercial Real Estate Non Owner Occupied [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	869,663	829,310
Residential Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	432,770	430,060
Real Estate Construction [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	161,651	157,127
Farm Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	24,648	28,419
Consumer and Other [Member]
Accounts Notes And Loans Receivable [Line Items]
Total Loans	$ 9,661	$ 11,009

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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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