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Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of Loans Modified as Troubled Debt Restructurings (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) Agreement | Jun. 30, 2022 USD ($) Agreement | Jun. 30, 2021 USD ($) Agreement
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement | 1 | 0 | 3
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment | $ 2,453 | $ 0 | $ 7,096
Financing Receivable, Troubled Debt Restructuring, Postmodification | 2,453 | 0 | 7,096
Troubled debt restructurings, Outstanding Recorded Investment | 2,450 | 0 | 6,893
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0
Contractual Interest Rate Reduction [Member] | Residential Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement |  | 0 |
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment |  | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | 0 |
Troubled debt restructurings, Outstanding Recorded Investment |  | 0 |
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0
Contractual Interest Rate Reduction [Member] | Commercial and Industrial Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement |  | 0 |
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment |  | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | 0 |
Troubled debt restructurings, Outstanding Recorded Investment |  | 0 |
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0
Contractual Interest Rate Reduction [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement | 1 | 0 | 1
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment | $ 2,453 | $ 0 | $ 2,453
Financing Receivable, Troubled Debt Restructuring, Postmodification | 2,453 | 0 | 2,453
Troubled debt restructurings, Outstanding Recorded Investment | 2,450 | 0 | 2,450
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0
Change in Amortization Period [Member] | Residential Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement |  | 0 |
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment |  | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | 0 |
Troubled debt restructurings, Outstanding Recorded Investment |  | 0 |
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0
Change in Amortization Period [Member] | Commercial and Industrial Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement |  | 0 | 2
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment |  | $ 0 | $ 4,643
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | 0 | 4,643
Troubled debt restructurings, Outstanding Recorded Investment |  | 0 | 4,443
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0
Change in Amortization Period [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Troubled debt restructurings, Number of Loans | Agreement |  | 0 |
Troubled debt restructurings, Pre-Modification Outstanding Recorded Investment |  | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Postmodification |  | 0 |
Troubled debt restructurings, Outstanding Recorded Investment |  | 0 |
Troubled debt restructurings, Financial Effect Resulting From Modifications | $ 0 | $ 0 | $ 0

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