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Allowance for Credit Losses - Past-Due Status (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | $ 14,359,899 | $ 14,353,497
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 3,765 | 3,496
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 35,251 | 62,245
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 8,383 | 6,541
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 16,541 | 12,736
Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 60,175 | 81,522
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 14,299,724 | 14,271,975
Commercial and Industrial |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,208,690 | 2,165,349
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 110 | 494
Commercial and Industrial | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,647 | 2,611
Commercial and Industrial | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 193 | 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 | 1,194 | 1,464
Commercial and Industrial | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,034 | 4,424
Commercial and Industrial | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,205,656 | 2,160,925
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,305,017 | 4,340,243
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 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 |  | 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 | 3,085 | 300
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,085 | 496
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,301,932 | 4,339,747
Construction |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,017,649 | 900,292
Construction | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 375 | 25,191
Construction | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 447 |
Construction | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 822 | 25,191
Construction | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,016,827 | 875,101
Finance Leases Portfolio Segment [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 425,190 | 379,809
Finance Leases Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 425,190 | 379,809
Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 5,376,249 |
Consumer |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,027,104 | 1,109,901
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 1,835 | 2,702
Consumer | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 16,101 | 23,259
Consumer | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,852 | 3,897
Consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,835 | 2,702
Consumer | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 20,788 | 29,858
Consumer | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,006,316 | 1,080,043
Real Estate Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,216,416 | 4,283,315
Real Estate Loan [Member] | Residential mortgage |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,216,416 | 4,283,315
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 1,820 |
Real Estate Loan [Member] | Residential mortgage | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 14,812 | 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 | 4,166 | 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 | 6,887 | 4,720
Real Estate Loan [Member] | Residential mortgage | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 25,865 | 11,439
Real Estate Loan [Member] | Residential mortgage | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,190,551 | 4,271,876
Residential Lending: Home Equity Line |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,159,833 | 1,174,588
Residential Lending: Home Equity Line | Home equity Line |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,159,833 | 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 | 2,316 | 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 | 1,172 | 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 | 3,093 | 3,550
Residential Lending: Home Equity Line | Home equity Line | Financial Asset, Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 6,581 | 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 | $ 1,153,252 | $ 1,164,474

X
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