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Loans and ACL - Summary of Amortized Cost of Collateral Dependent Loans (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	$ 121,319
Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	94,743
Real Estate [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	5,792
Real Estate [Member] | Construction, Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	1,646
Real Estate [Member] | Mortgage, Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	17,403
Real Estate [Member] | Mortgage, Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	$ 1,735

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