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Loans and Leases and the Allowance for Credit Losses - Schedule of Loan and Lease Portfolio (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Loan and lease portfolio |  |
Loans and Leases | $ 12,544,492 | $ 12,259,076
Commercial |  |
Loan and lease portfolio |  |
Loans and Leases | 5,016,725 | 4,966,192
Commercial | Commercial and Industrial |  |
Loan and lease portfolio |  |
Loans and Leases | 1,354,757 | 1,361,921
Commercial | Paycheck Protection Program |  |
Loan and lease portfolio |  |
Loans and Leases | 57,809 | 126,779
Commercial | Commercial Mortgage |  |
Loan and lease portfolio |  |
Loans and Leases | 3,257,689 | 3,152,130
Commercial | Construction |  |
Loan and lease portfolio |  |
Loans and Leases | 248,363 | 220,254
Commercial | Lease Financing |  |
Loan and lease portfolio |  |
Loans and Leases | 98,107 | 105,108
Consumer |  |
Loan and lease portfolio |  |
Loans and Leases | 7,527,767 | 7,292,884
Consumer | Residential Mortgage |  |
Loan and lease portfolio |  |
Loans and Leases | 4,405,718 | 4,309,602
Consumer | Home Equity |  |
Loan and lease portfolio |  |
Loans and Leases | 1,958,285 | 1,836,588
Consumer | Automobile |  |
Loan and lease portfolio |  |
Loans and Leases | 742,934 | 736,565
Consumer | Other |  |
Loan and lease portfolio |  |
Loans and Leases | $ 420,830 | $ 410,129

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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=124259787&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=123577603&loc=d3e5074-111524 + Details
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