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Allowance for Credit Losses - Past-Due Status (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | $ 14,241,370 | $ 14,353,497
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 4,543 | 3,496
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 38,539 | 62,245
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 9,516 | 6,541
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 14,531 | 12,736
Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 62,586 | 81,522
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 14,178,784 | 14,271,975
Commercial and Industrial |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,110,077 | 2,165,349
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 529 | 494
Commercial and Industrial | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,118 | 2,611
Commercial and Industrial | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 670 | 349
Commercial and Industrial | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,463 | 1,464
Commercial and Industrial | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,251 | 4,424
Commercial and Industrial | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,105,826 | 2,160,925
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,265,289 | 4,340,243
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 568 | 300
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 246 | 196
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 720 | 300
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 966 | 496
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,264,323 | 4,339,747
Construction |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,056,249 | 900,292
Construction | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,179 | 25,191
Construction | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 139 |
Construction | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,318 | 25,191
Construction | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,054,931 | 875,101
Finance Leases Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 432,828 | 379,809
Finance Leases Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 432,828 | 379,809
Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 5,346,883 |
Consumer |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,030,044 | 1,109,901
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 2,515 | 2,702
Consumer | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 15,227 | 23,259
Consumer | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,939 | 3,897
Consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,515 | 2,702
Consumer | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 20,681 | 29,858
Consumer | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,009,363 | 1,080,043
Real Estate Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,187,060 | 4,283,315
Real Estate Loan [Member] | Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,187,060 | 4,283,315
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 931 |
Real Estate Loan [Member] | Residential mortgage | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 15,356 | 5,244
Real Estate Loan [Member] | Residential mortgage | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,631 | 1,475
Real Estate Loan [Member] | Residential mortgage | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 6,425 | 4,720
Real Estate Loan [Member] | Residential mortgage | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 26,412 | 11,439
Real Estate Loan [Member] | Residential mortgage | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,160,648 | 4,271,876
Residential Lending: Home Equity Line |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,159,823 | 1,174,588
Residential Lending: Home Equity Line | Home equity Line |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,159,823 | 1,174,588
Residential Lending: Home Equity Line | Home equity Line | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,659 | 5,940
Residential Lending: Home Equity Line | Home equity Line | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 891 | 624
Residential Lending: Home Equity Line | Home equity Line | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,408 | 3,550
Residential Lending: Home Equity Line | Home equity Line | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 8,958 | 10,114
Residential Lending: Home Equity Line | Home equity Line | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | $ 1,150,865 | $ 1,164,474

X
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