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Loans and Allowance for Credit Losses - Schedule of 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, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance |  |  | $ 235,019 |
Provision for credit loss expense | $ 15,180 | $ 12,148 | 53,922 | $ 33,453
Ending balance | 258,006 |  | 258,006 |
Loans, Excluding Acquired Loans |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 253,537 | 230,389 | 235,019 | 225,231
Provision for credit loss expense | 15,180 | 12,148 | 53,922 | 33,453
Charge-offs | (11,891) | (10,662) | (34,912) | (29,824)
Recoveries | 1,180 | 1,348 | 3,977 | 4,363
Net (charge-offs) recoveries | (10,711) | (9,314) | (30,935) | (25,461)
Ending balance | 258,006 | 233,223 | 258,006 | 233,223
Loans, Excluding Acquired Loans | Commercial |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 37,198 | 43,550 | 41,587 | 36,470
Provision for credit loss expense | 7,196 | 8,088 | 13,841 | 26,107
Charge-offs | (8,079) | (8,235) | (20,579) | (20,071)
Recoveries | 505 | 439 | 1,971 | 1,336
Net (charge-offs) recoveries | (7,574) | (7,796) | (18,608) | (18,735)
Ending balance | 36,820 | 43,842 | 36,820 | 43,842
Loans, Excluding Acquired Loans | Real Estate |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 203,985 | 175,176 | 181,962 | 177,177
Provision for credit loss expense | 5,517 | 1,598 | 33,229 | 1,770
Charge-offs | (1,350) | (159) | (7,225) | (3,139)
Recoveries | 115 | 403 | 301 | 1,210
Net (charge-offs) recoveries | (1,235) | 244 | (6,924) | (1,929)
Ending balance | 208,267 | 177,018 | 208,267 | 177,018
Loans, Excluding Acquired Loans | Consumer: | Credit Card |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 6,087 | 5,765 | 6,007 | 5,868
Provision for credit loss expense | 1,499 | 1,755 | 4,196 | 4,247
Charge-offs | (1,862) | (1,744) | (5,024) | (4,808)
Recoveries | 257 | 231 | 802 | 700
Net (charge-offs) recoveries | (1,605) | (1,513) | (4,222) | (4,108)
Ending balance | 5,981 | 6,007 | 5,981 | 6,007
Loans, Excluding Acquired Loans | Consumer: | Other Consumer and Other |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 6,267 | 5,898 | 5,463 | 5,716
Provision for credit loss expense | 968 | 707 | 2,656 | 1,329
Charge-offs | (600) | (524) | (2,084) | (1,806)
Recoveries | 303 | 275 | 903 | 1,117
Net (charge-offs) recoveries | (297) | (249) | (1,181) | (689)
Ending balance | $ 6,938 | $ 6,356 | $ 6,938 | $ 6,356

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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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