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Allowance for Credit Losses - Credit Quality Indicators by Class of Residential Real Estate and Consumer Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees | $ 5,424,285 | $ 4,917,550
Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 7,598 |
2021 | 27,862 |
2022 | 23,065 |
2023 | 24,222 |
2024 | 19,761 |
Prior | 20,370 |
Revolving Loans Amortized Cost Basis | 85,445 |
Revolving Loans Converted to Term | 822 |
Total loans and leases, net of unearned income and deferred costs and fees | 209,145 |
Residential real estate | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 137,037 |
2021 | 203,181 |
2022 | 138,402 |
2023 | 177,980 |
2024 | 202,844 |
Prior | 56,498 |
Revolving Loans Amortized Cost Basis | 282,691 |
Revolving Loans Converted to Term | 204 |
Total loans and leases, net of unearned income and deferred costs and fees | 1,198,837 |
Residential real estate | Performing | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 7,598 |
2021 | 27,843 |
2022 | 22,998 |
2023 | 24,222 |
2024 | 19,761 |
Prior | 19,765 |
Revolving Loans Amortized Cost Basis | 83,857 |
Revolving Loans Converted to Term | 822 |
Total loans and leases, net of unearned income and deferred costs and fees | 206,866 |
Residential real estate | Performing | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 137,037 |
2021 | 202,916 |
2022 | 137,996 |
2023 | 177,609 |
2024 | 201,718 |
Prior | 55,129 |
Revolving Loans Amortized Cost Basis | 276,952 |
Revolving Loans Converted to Term | 204 |
Total loans and leases, net of unearned income and deferred costs and fees | 1,189,561 |
Residential real estate | Nonperforming | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2021 | 19 |
2022 | 67 |
2023 | 0 |
2024 | 0 |
Prior | 605 |
Revolving Loans Amortized Cost Basis | 1,588 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 2,279 |
Residential real estate | Nonperforming | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2021 | 265 |
2022 | 406 |
2023 | 371 |
2024 | 1,126 |
Prior | 1,369 |
Revolving Loans Amortized Cost Basis | 5,739 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 9,276 |
Consumer and other | Direct |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 7,891 |
2021 | 15,653 |
2022 | 10,110 |
2023 | 8,660 |
2024 | 4,589 |
Prior | 1,205 |
Revolving Loans Amortized Cost Basis | 14,237 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 62,345 |
Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 862 |
2021 | 2,759 |
2022 | 4,403 |
2023 | 1,704 |
2024 | 717 |
Prior | 121 |
Revolving Loans Amortized Cost Basis | 182 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 10,748 |
Consumer and other | Performing | Direct |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 7,891 |
2021 | 15,592 |
2022 | 9,977 |
2023 | 8,656 |
2024 | 4,589 |
Prior | 1,205 |
Revolving Loans Amortized Cost Basis | 14,232 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 62,142 |
Consumer and other | Performing | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 862 |
2021 | 2,676 |
2022 | 4,358 |
2023 | 1,694 |
2024 | 683 |
Prior | 121 |
Revolving Loans Amortized Cost Basis | 160 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 10,554 |
Consumer and other | Nonperforming | Direct |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2021 | 61 |
2022 | 133 |
2023 | 4 |
2024 | 0 |
Prior | 0 |
Revolving Loans Amortized Cost Basis | 5 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | 203 |
Consumer and other | Nonperforming | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2020 | 0 |
2021 | 83 |
2022 | 45 |
2023 | 10 |
2024 | 34 |
Prior | 0 |
Revolving Loans Amortized Cost Basis | 22 |
Revolving Loans Converted to Term | 0 |
Total loans and leases, net of unearned income and deferred costs and fees | $ 194 |
Originated |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees |  | 4,701,046
Loans and leases, gross |  | 1,418,091
Originated | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 1,408,557
Originated | Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 9,534
Originated | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees |  | 1,344,466
Originated | Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 203,894
Originated | Residential real estate | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 1,140,572
Originated | Residential real estate | Performing | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 201,970
Originated | Residential real estate | Performing | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 1,133,237
Originated | Residential real estate | Nonperforming | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 1,924
Originated | Residential real estate | Nonperforming | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 7,335
Originated | Consumer and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees |  | 73,625
Originated | Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 12,964
Originated | Consumer and other | Commercial and industrial other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 60,661
Originated | Consumer and other | Performing | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 12,847
Originated | Consumer and other | Performing | Commercial and industrial other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 60,503
Originated | Consumer and other | Nonperforming | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 117
Originated | Consumer and other | Nonperforming | Commercial and industrial other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 158
Acquired |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees |  | 220,149
Loans and leases, gross |  | 34,156
Acquired | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 32,533
Acquired | Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 1,623
Acquired | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees |  | 33,371
Acquired | Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 15,351
Acquired | Residential real estate | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 18,020
Acquired | Residential real estate | Performing | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 14,479
Acquired | Residential real estate | Performing | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 17,269
Acquired | Residential real estate | Nonperforming | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 872
Acquired | Residential real estate | Nonperforming | Mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 751
Acquired | Consumer and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases, net of unearned income and deferred costs and fees |  | 785
Acquired | Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 0
Acquired | Consumer and other | Commercial and industrial other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 785
Acquired | Consumer and other | Performing | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 0
Acquired | Consumer and other | Performing | Commercial and industrial other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 785
Acquired | Consumer and other | Nonperforming | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | 0
Acquired | Consumer and other | Nonperforming | Commercial and industrial other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases, gross |  | $ 0

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References No definition available. + Details
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