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Loans and Allowance for Credit Losses - Summary of Change in the ACL by Major Loan Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable Impaired [Line Items] |  |  |
Allowance, beginning of period | $ 30,740 | $ 12,121 | $ 13,827
Charge-offs | (31,819) | (8,451) | (2,541)
Recoveries | 4,851 | 1,383 | 718
Net charge-offs | (26,968) | (7,068) | (1,823)
Provision for loan losses | 24,703 | 25,687 | 117
Allowance, end of period | 35,893 | 30,740 | 12,121
Impact of ASC 326 Adoption [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Allowance, beginning of period | 7,418 |  |
Impact of ASC 326 adoption | 7,418 |  |
Charge-offs | 31,819 |  |
Allowance, end of period |  | 7,418 |
Commercial and Industrial [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Allowance, beginning of period | 27,070 |  |
Charge-offs | (27,839) | (4,779) | (1,098)
Recoveries | 3,984 | 442 | 196
Net charge-offs | (23,890) |  |
Provision for loan losses | 21,648 |  |
Allowance, end of period | 27,754 | 27,070 |
Commercial and Industrial [Member] | Impact of ASC 326 Adoption [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Impact of ASC 326 adoption | 2,926 |  |
Charge-offs | 27,874 |  |
Consumer [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Allowance, beginning of period | 3,670 |  |
Charge-offs | (2,314) | (1,686) | (1,123)
Recoveries | 867 | 492 | 424
Net charge-offs | (3,078) |  |
Provision for loan losses | 3,055 |  |
Allowance, end of period | 8,139 | 3,670 |
Consumer [Member] | Impact of ASC 326 Adoption [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Impact of ASC 326 adoption | 4,492 |  |
Charge-offs | $ 3,945 |  |
Real estate construction [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Charge-offs |  | (162) | (195)
Recoveries |  | 40 | 0
Real Estate, Mortgage [Member] |  |  |
Financing Receivable Impaired [Line Items] |  |  |
Charge-offs |  | (1,824) | (125)
Recoveries |  | $ 409 | $ 98

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(4) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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