Allowance for Loan Losses - Summary of Nonaccrual Loans Excluding Purchased Credit-Impaired (PCI) Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans with a related ACL	$ 1,198
Nonaccrual loans without a related ACL	11,269
Total, Non-Accrual Status	12,467	$ 6,507
Interest Income Recognized	46
Commercial and Agriculture [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans with a related ACL	914
Nonaccrual loans without a related ACL	4,891
Total, Non-Accrual Status	5,805	774
Interest Income Recognized	9
Commercial Real Estate Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans with a related ACL	269
Nonaccrual loans without a related ACL	3
Total, Non-Accrual Status	272	386
Interest Income Recognized	7
Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans without a related ACL	1,167
Total, Non-Accrual Status	1,167	1,109
Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans without a related ACL	4,633
Total, Non-Accrual Status	4,633	3,926
Interest Income Recognized	26
Real Estate Construction [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans without a related ACL	41
Total, Non-Accrual Status	41	221
Lease Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans with a related ACL	15
Nonaccrual loans without a related ACL	492
Total, Non-Accrual Status	507
Consumer and Other [Member]
Financing Receivable Recorded Investment [Line Items]
Nonaccrual loans without a related ACL	42
Total, Non-Accrual Status	42	$ 91
Interest Income Recognized	$ 4

Financing receivable nonaccrual with allowance.

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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- Definition

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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