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Loans and Allowance for Loan Losses - Schedule of Rollforward of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | $ 486,845 | $ 479,385 | $ 443,424
Charge-offs | (109,400) | (160,948) | (183,074)
Recoveries | 30,692 | 26,954 | 29,732
Provision for (reversal of) loan losses | 69,797 | 141,454 | 189,303
Ending balance | 477,934 | 486,845 | 479,385
Commercial & Industrial |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 210,525 | 218,970 | 161,550
Charge-offs | (47,003) | (119,388) | (86,320)
Recoveries | 19,218 | 17,084 | 16,664
Provision for (reversal of) loan losses | 40,594 | 93,859 | 127,076
Ending balance | 223,334 | 210,525 | 218,970
Commercial Real Estate |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 134,021 | 133,758 | 143,575
Charge-offs | (24,639) | (10,184) | (45,450)
Recoveries | 1,217 | 1,905 | 1,273
Provision for (reversal of) loan losses | (2,463) | 8,542 | 34,360
Ending balance | 108,136 | 134,021 | 133,758
Consumer |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |
Beginning balance | 142,299 | 126,657 | 138,299
Charge-offs | (37,758) | (31,376) | (51,304)
Recoveries | 10,257 | 7,965 | 11,795
Provision for (reversal of) loan losses | 31,666 | 39,053 | 27,867
Ending balance | $ 146,464 | $ 142,299 | $ 126,657

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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, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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