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Loans and Allowance for Credit Losses - Activity in the Allowance for Loan Losses, by Portfolio Segment, for the Current Year (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | $ 225,231 |  |
Provision for credit loss expense | 46,785 | $ 47,424 | $ (5,379)
Balance, end of period | 235,019 | 225,231 |
Loans, Excluding Acquired Loans |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 225,231 | 196,955 | 205,332
Acquisition adjustment for PCD loans |  |  | 9,622
Provision for credit loss expense | 46,785 | 47,424 | (5,379)
Charge-offs | (42,564) | (26,172) | (24,130)
Recoveries | 5,567 | 7,024 | 11,510
Net charge-offs | (36,997) | (19,148) | (12,620)
Balance, end of period | 235,019 | 225,231 | 196,955
Loans, Excluding Acquired Loans | Other Consumer and Other |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 5,716 | 6,614 | 4,617
Acquisition adjustment for PCD loans |  |  | 2
Provision for credit loss expense | 662 | 86 | 2,674
Charge-offs | (2,311) | (2,522) | (1,876)
Recoveries | 1,396 | 1,538 | 1,197
Net charge-offs | (915) | (984) | (679)
Balance, end of period | 5,463 | 5,716 | 6,614
Loans, Excluding Acquired Loans | Commercial |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 36,470 | 34,406 | 17,458
Acquisition adjustment for PCD loans |  |  | 6,433
Provision for credit loss expense | 30,389 | 5,934 | 22,412
Charge-offs | (26,867) | (5,962) | (14,270)
Recoveries | 1,595 | 2,092 | 2,373
Net charge-offs | (25,272) | (3,870) | (11,897)
Balance, end of period | 41,587 | 36,470 | 34,406
Loans, Excluding Acquired Loans | Real Estate |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 177,177 | 150,795 | 179,270
Acquisition adjustment for PCD loans |  |  | 3,187
Provision for credit loss expense | 10,249 | 36,381 | (34,456)
Charge-offs | (6,949) | (12,385) | (4,122)
Recoveries | 1,485 | 2,386 | 6,916
Net charge-offs | (5,464) | (9,999) | 2,794
Balance, end of period | 181,962 | 177,177 | 150,795
Loans, Excluding Acquired Loans | Consumer | Credit Card |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Balance, beginning of period | 5,868 | 5,140 | 3,987
Acquisition adjustment for PCD loans |  |  | 0
Provision for credit loss expense | 5,485 | 5,023 | 3,991
Charge-offs | (6,437) | (5,303) | (3,862)
Recoveries | 1,091 | 1,008 | 1,024
Net charge-offs | (5,346) | (4,295) | (2,838)
Balance, end of period | $ 6,007 | $ 5,868 | $ 5,140

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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- Definition Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (4) -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
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