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Allowance for Credit Losses - Aging of Analysis of Past Due Loans and Leases (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | $ 12,834,339 | $ 13,279,097
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 11,167
30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 40,028 | 26,688
60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,609 | 13,621
Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 10,119 | 17,182
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 5,786 |
Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 54,756 | 57,491
Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 12,779,583 | 13,221,606
Commercial and Industrial |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,195,384 | 3,019,507
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 2,108
Commercial and Industrial | 30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,243 | 2,585
Commercial and Industrial | 60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 255 | 604
Commercial and Industrial | Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,028 | 2,626
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 439 |
Commercial and Industrial | Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,526 | 5,815
Commercial and Industrial | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,192,858 | 3,013,692
Commercial real estate |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,569,768 | 3,392,676
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 882
Commercial real estate | 30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 19,359 | 75
Commercial real estate | 60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases |  | 2,568
Commercial real estate | Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases |  | 963
Commercial real estate | Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 19,359 | 3,606
Commercial real estate | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,550,409 | 3,389,070
Construction |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 826,078 | 735,819
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 93
Construction | 30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases |  | 779
Construction | 60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases |  | 376
Construction | Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases |  | 2,137
Construction | Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases |  | 3,292
Construction | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 826,078 | 732,527
Lease financing |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 237,689 | 245,411
Lease financing | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 237,689 | 245,411
Residential mortgage | Residential |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,914,632 | 3,690,218
Residential mortgage | Residential | 30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 4,415 | 3,382
Residential mortgage | Residential | 60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,086 | 4,125
Residential mortgage | Residential | Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,844 | 3,372
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 100 |
Residential mortgage | Residential | Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 10,345 | 10,879
Residential mortgage | Residential | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,904,287 | 3,679,339
Home equity | Home equity Line |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 852,074 | 841,624
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 4,818
Home equity | Home equity Line | 30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 2,107 | 1,375
Home equity | Home equity Line | 60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 345 | 743
Home equity | Home equity Line | Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 3,871 | 4,818
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 3,871 |
Home equity | Home equity Line | Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 6,323 | 6,936
Home equity | Home equity Line | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 845,751 | 834,688
Consumer loans | Consumer |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,238,714 | 1,353,842
Loans and Leases Past Due 90 Days or More and Still Accruing Interest |  | 3,266
Consumer loans | Consumer | 30 - 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 12,904 | 18,492
Consumer loans | Consumer | 60 - 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,923 | 5,205
Consumer loans | Consumer | Greater Than or Equal to 90 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 1,376 | 3,266
Loans and Leases Past Due 90 Days or More and Still Accruing Interest | 1,376 |
Consumer loans | Consumer | Total Past Due |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | 16,203 | 26,963
Consumer loans | Consumer | Current |  |
Financing Receivable, Recorded Investment, Past Due |  |
Loans and leases | $ 1,222,511 | $ 1,326,879

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- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
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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/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 + Details
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