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Loans, Loan Composition (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | $ 29,768,586 | $ 29,216,218
Commercial and Industrial Sector [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 10,573,741 | 9,731,555
Commercial Real Estate Owner Occupied Portfolio [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 1,143,741 | 1,061,700
Commercial And Business Lending [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 11,717,483 | 10,793,255
Commercial Real Estate Investor Portfolio Segment [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 5,227,975 | 5,124,245
Construction Loans [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 1,982,632 | 2,271,398
Commercial Real Estate Portfolio Segment [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 7,210,607 | 7,395,644
Commercial Portfolio Segment [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 18,928,090 | 18,188,898
Residential Mortgage [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 7,047,541 | 7,864,891
Automobile Loan [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 2,810,220 | 2,256,162
Home Equity Line of Credit [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 664,252 | 628,526
Other Consumer [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | 318,483 | 277,740
Consumer Portfolio Segment [Member] |  |
Loans and Leases Receivable [Line Items] |  |
Loans and Leases Receivable, Net of Deferred Income | $ 10,840,496 | $ 11,027,319

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
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