Loans and ACL - Summary of Amortized Cost of Collateral Dependent Loans (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	$ 85,977
Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	71,984
Real Estate [Member] | Construction, Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	580
Real Estate [Member] | Mortgage, Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	12,641
Real Estate [Member] | Mortgage, Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Amortized cost of collateral dependent loans	$ 772