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Loans and Allowance for Credit Losses - Summary of Amortized Cost of Nonaccrual Loans with No Related Allowance (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | $ 18,117 | $ 92,300
Amortized Cost of Nonaccrual Loans with no related Allowance | 18,117 | 85,948
Commercial and Industrial Portfolio [Member] |  |
Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | 10,158 | 82,845
Amortized Cost of Nonaccrual Loans with no related Allowance | 10,158 | 76,493
Commercial Real Estate Portfolio Segment |  |
Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | 2,600 | 4,688
Amortized Cost of Nonaccrual Loans with no related Allowance | 2,600 | 4,688
Consumer Real Estate Portfolio [Member] |  |
Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | 4,437 | 4,210
Amortized Cost of Nonaccrual Loans with no related Allowance | 4,437 | 4,210
Consumer Portfolio [Member] |  |
Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | 561 | 75
Amortized Cost of Nonaccrual Loans with no related Allowance | 561 | 75
Credit Cards Portfolio [Member] |  |
Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | 336 | 457
Amortized Cost of Nonaccrual Loans with no related Allowance | 336 | 457
Leases and Other Portfolio [Member] |  |
Financing Receivable Nonaccrual Status [Line Items] |  |
Nonaccrual Loans | 25 | 25
Amortized Cost of Nonaccrual Loans with no related Allowance | $ 25 | $ 25

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