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Loans and ACL - Summary of Change in the ACL by Major Loan Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financing Receivable Impaired [Line Items] |  |  |  |  |
Balance, beginning of period | $ 29,974 | $ 12,013 | $ 22,939 | [1] | $ 12,121
Charge-offs | (9,020) | (2,791) | (10,329) |  | (5,567)
Recoveries | 1,013 | 526 |  |  | 694
Net charge-offs | (8,007) | (2,265) | (9,094) |  | (4,873)
Provision for loan losses | 21,100 | 7,494 | 25,200 |  | 9,994
Balance, end of period | 43,067 | 17,242 | 43,067 |  | 17,242
Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Balance, beginning of period | 21,279 |  | 19,269 |  |
Charge-offs | (7,326) | (1,383) | (8,095) |  | (3,746)
Recoveries | 887 | 2 |  |  | 37
Net charge-offs | (6,439) |  | (7,120) |  |
Provision for loan losses | 19,524 |  | 22,685 |  |
Balance, end of period | 34,364 |  | 34,364 |  |
Real estate construction [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Charge-offs |  |  |  |  | (123)
Recoveries |  | 4 |  |  | 16
Real Estate Mortgage [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Charge-offs |  | (1,079) |  |  | (1,093)
Recoveries |  | 387 |  |  | 391
Consumer [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Balance, beginning of period | 8,695 |  | 3,670 |  |
Charge-offs | (1,694) | (329) | (950) |  | (605)
Recoveries | 126 | $ 133 |  |  | $ 250
Net charge-offs | (1,568) |  | (1,974) |  |
Provision for loan losses | 1,576 |  | 2,515 |  |
Balance, end of period | 8,703 |  | 8,703 |  |
Impact of ASC 326 Adoption [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Balance, beginning of period |  |  | 4,022 |  |
Impact of ASC 326 adoption | 4,022 |  | 4,022 |  |
Charge-offs |  |  | 10,329 |  |
Recoveries |  |  | 1,235 |  |
Impact of ASC 326 Adoption [Member] | Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impact of ASC 326 adoption | (470) |  | (470) |  |
Charge-offs |  |  | 8,125 |  |
Recoveries |  |  | 1,005 |  |
Impact of ASC 326 Adoption [Member] | Consumer [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impact of ASC 326 adoption | $ 4,492 |  | 4,492 |  |
Charge-offs |  |  | 2,204 |  |
Recoveries |  |  | $ 230 |  |
[1] | Derived from audited December 31, 2022 Consolidated Financial Statements.

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