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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 | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | $ 225,231 |
Provision for credit loss expense | $ 12,148 | $ 20,222 | 33,453 | $ 36,199
Balance, end of period | 233,223 |  | 233,223 |
Loans, Excluding Acquired Loans |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance, beginning of period | 230,389 | 209,966 | 225,231 | 196,955
Provision for credit loss expense | 12,148 | 20,222 | 33,453 | 36,199
Charge-offs | (10,662) | (12,893) | (29,824) | (19,777)
Recoveries | 1,348 | 1,252 | 4,363 | 5,170
Net (charge-offs) recoveries | (9,314) | (11,641) | (25,461) | (14,607)
Balance, end of period | 233,223 | 218,547 | 233,223 | 218,547
Loans, Excluding Acquired Loans | Commercial |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance, beginning of period | 43,550 | 30,985 | 36,470 | 34,406
Provision for credit loss expense | 8,088 | 4,095 | 26,107 | 774
Charge-offs | (8,235) | (1,219) | (20,071) | (2,857)
Recoveries | 439 | 245 | 1,336 | 1,783
Net (charge-offs) recoveries | (7,796) | (974) | (18,735) | (1,074)
Balance, end of period | 43,842 | 34,106 | 43,842 | 34,106
Loans, Excluding Acquired Loans | Real Estate |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance, beginning of period | 175,176 | 165,813 | 177,177 | 150,795
Provision for credit loss expense | 1,598 | 16,528 | 1,770 | 32,013
Charge-offs | (159) | (9,723) | (3,139) | (11,362)
Recoveries | 403 | 429 | 1,210 | 1,601
Net (charge-offs) recoveries | 244 | (9,294) | (1,929) | (9,761)
Balance, end of period | 177,018 | 173,047 | 177,018 | 173,047
Loans, Excluding Acquired Loans | Consumer | Credit Card |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance, beginning of period | 5,765 | 6,330 | 5,868 | 5,140
Provision for credit loss expense | 1,755 | 704 | 4,247 | 3,847
Charge-offs | (1,744) | (1,318) | (4,808) | (3,803)
Recoveries | 231 | 234 | 700 | 766
Net (charge-offs) recoveries | (1,513) | (1,084) | (4,108) | (3,037)
Balance, end of period | 6,007 | 5,950 | 6,007 | 5,950
Loans, Excluding Acquired Loans | Consumer | Other Consumer and Other |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Balance, beginning of period | 5,898 | 6,838 | 5,716 | 6,614
Provision for credit loss expense | 707 | (1,105) | 1,329 | (435)
Charge-offs | (524) | (633) | (1,806) | (1,755)
Recoveries | 275 | 344 | 1,117 | 1,020
Net (charge-offs) recoveries | (249) | (289) | (689) | (735)
Balance, end of period | $ 6,356 | $ 5,444 | $ 6,356 | $ 5,444

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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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