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Loans and ACL - Summary of Amortized Cost of Collateral Dependent Loans (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2023 USD ($)
Loans and Leases Receivable Disclosure [Line Items] |
Amortized cost of collateral dependent loans | $ 113,752
Commercial and Industrial [Member] |
Loans and Leases Receivable Disclosure [Line Items] |
Amortized cost of collateral dependent loans | 83,437
Real Estate [Member] | Commercial and Industrial [Member] |
Loans and Leases Receivable Disclosure [Line Items] |
Amortized cost of collateral dependent loans | 6,635
Real Estate [Member] | Construction, Residential [Member] |
Loans and Leases Receivable Disclosure [Line Items] |
Amortized cost of collateral dependent loans | 2,299
Real Estate [Member] | Mortgage, Commercial [Member] |
Loans and Leases Receivable Disclosure [Line Items] |
Amortized cost of collateral dependent loans | 18,352
Real Estate [Member] | Mortgage, Residential [Member] |
Loans and Leases Receivable Disclosure [Line Items] |
Amortized cost of collateral dependent loans | $ 3,029

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