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Loans and Allowance for Loan Losses - Summary of Primary Segments of ALLL, Loans Individually and Collectively Evaluated for Impairment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022		Mar. 31, 2021
Financing Receivable Impaired [Line Items]
ALL, beginning of period	$ 12,121	[1]	$ 13,827
Charge-offs	(2,819)		(634)
Recoveries	211		209
Provision for loan losses	2,500		0
ALL, end of period	12,013	[1]	13,402
Commercial and Industrial [Member]
Financing Receivable Impaired [Line Items]
Charge-offs	(2,401)		(359)
Recoveries	74		56
Consumer [Member]
Financing Receivable Impaired [Line Items]
Charge-offs	(279)		(263)
Recoveries	$ 121		$ 137
[1] Derived from audited December 31, 2021 Consolidated Financial Statements.

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- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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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 of expense related to estimated loss from loan and lease transactions.

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