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Allowance for Credit Losses, Credit Quality and Other - Schedule of Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | $ 289,669 | $ 236,714 | $ 245,473
Allowance for credit losses on PCD loans |  | 16,816 |
Loans charged off | (16,055) | (17,267) | (11,661)
Recoveries of loans previously charged off | 2,670 | 3,236 | 2,902
Net loans recovered (charged off) | (13,385) | (14,031) | (8,759)
Provision for credit loss - acquired loans |  | 45,170 |
Provision for credit loss - loans | 11,950 | 5,000 | 0
Ending balance | 288,234 | 289,669 | 236,714
Residential Real Estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 50,963 | 48,458 | 53,216
Allowance for credit losses on PCD loans |  | 980 |
Loans charged off | (269) | (446) | (545)
Recoveries of loans previously charged off | 329 | 119 | 683
Net loans recovered (charged off) | 60 | (327) | 138
Provision for credit loss - acquired loans |  | 7,380 |
Provision for credit loss - loans | 4,837 | (5,528) | (4,896)
Ending balance | 55,860 | 50,963 | 48,458
Commercial & Industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 89,354 | 53,062 | 46,530
Allowance for credit losses on PCD loans |  | 5,596 |
Loans charged off | (9,157) | (9,773) | (8,242)
Recoveries of loans previously charged off | 583 | 780 | 591
Net loans recovered (charged off) | (8,574) | (8,993) | (7,651)
Provision for credit loss - acquired loans |  | 11,303 |
Provision for credit loss - loans | 12,030 | 28,386 | 14,183
Ending balance | 92,810 | 89,354 | 53,062
Consumer & Other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 23,261 | 19,561 | 24,413
Allowance for credit losses on PCD loans |  | 7 |
Loans charged off | (4,031) | (7,047) | (2,228)
Recoveries of loans previously charged off | 1,112 | 965 | 785
Net loans recovered (charged off) | (2,919) | (6,082) | (1,443)
Provision for credit loss - acquired loans |  | 571 |
Provision for credit loss - loans | 6,710 | 9,204 | (3,409)
Ending balance | 27,052 | 23,261 | 19,561
Construction/ Land Development | Commercial real estate loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 32,243 | 28,415 | 32,861
Allowance for credit losses on PCD loans |  | 950 |
Loans charged off | (263) | (1) | 0
Recoveries of loans previously charged off | 113 | 405 | 58
Net loans recovered (charged off) | (150) | 404 | 58
Provision for credit loss - acquired loans |  | 7,205 |
Provision for credit loss - loans | 1,784 | (4,731) | (4,504)
Ending balance | 33,877 | 32,243 | 28,415
Other Commercial Real Estate | Commercial real estate loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 93,848 | 87,218 | 88,453
Allowance for credit losses on PCD loans |  | 9,283 |
Loans charged off | (2,335) | 0 | (646)
Recoveries of loans previously charged off | 533 | 967 | 785
Net loans recovered (charged off) | (1,802) | 967 | 139
Provision for credit loss - acquired loans |  | 18,711 |
Provision for credit loss - loans | (13,411) | (22,331) | (1,374)
Ending balance | $ 78,635 | $ 93,848 | $ 87,218

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