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Loans and Allowance for Loan Losses - Schedule of Rollforward of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Allowance for loan losses: |  |  |
Beginning balance | $ 486,845 | $ 479,385 | $ 479,385
Charge-offs | (27,147) | (50,568) | (160,948)
Recoveries | 5,781 | 6,212 |
Provision for (reversal of) loan losses | 12,728 | 57,632 |
Ending balance | 478,207 | 492,661 | 486,845
Commercial & Industrial |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 210,525 | 218,970 | 218,970
Charge-offs | (10,354) | (37,943) |
Recoveries | 2,970 | 3,288 |
Provision for (reversal of) loan losses | 2,762 | 29,167 |
Ending balance | 205,903 | 213,482 | 210,525
Commercial Real Estate |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 134,021 | 133,758 | 133,758
Charge-offs | (9,425) | (3,711) |
Recoveries | 51 | 767 |
Provision for (reversal of) loan losses | 1,573 | 21,813 |
Ending balance | 126,220 | 152,627 | 134,021
Total consumer |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 142,299 | 126,657 | 126,657
Charge-offs | (7,368) | (8,914) |
Recoveries | 2,760 | 2,157 |
Provision for (reversal of) loan losses | 8,393 | 6,652 |
Ending balance | $ 146,084 | $ 126,552 | $ 142,299

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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 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: 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 + 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://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 3: 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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