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Loans and Leases - Schedule of Loans and Leases (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | $ 4,837,735 | $ 4,672,909
Less: unearned income and deferred costs and fees | (3,796) | (3,789)
Total originated loans and leases, net of unearned income and deferred costs and fees | 4,833,939 | 4,669,120
Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1,077,635 | 1,091,651
Commercial and industrial | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 107,494 | 108,608
Commercial and industrial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 970,141 | 983,043
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 2,340,661 | 2,200,727
Commercial real estate | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 170,229 | 129,959
Commercial real estate | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 2,004,763 | 1,866,802
Commercial real estate | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 165,669 | 203,966
Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1,333,894 | 1,302,941
Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 229,608 | 241,256
Consumer and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 70,989 | 63,123
Consumer and other | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 58,326 | 50,979
Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 12,663 | 12,144
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 14,556 | 14,467
Originated Loans and Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 4,572,537 | 4,362,332
Less: unearned income and deferred costs and fees | (3,796) | (3,789)
Total originated loans and leases, net of unearned income and deferred costs and fees | 4,568,741 | 4,358,543
Originated Loans and Leases | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1,033,923 | 1,040,675
Originated Loans and Leases | Commercial and industrial | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 107,494 | 108,608
Originated Loans and Leases | Commercial and industrial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 926,429 | 932,067
Originated Loans and Leases | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 2,161,569 | 1,992,980
Originated Loans and Leases | Commercial real estate | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 170,005 | 129,712
Originated Loans and Leases | Commercial real estate | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1,827,279 | 1,660,782
Originated Loans and Leases | Commercial real estate | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 164,285 | 202,486
Originated Loans and Leases | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1,292,261 | 1,251,852
Originated Loans and Leases | Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 208,459 | 212,812
Originated Loans and Leases | Consumer and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 70,228 | 62,358
Originated Loans and Leases | Consumer and other | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 57,565 | 50,214
Originated Loans and Leases | Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 12,663 | 12,144
Originated Loans and Leases | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 14,556 | 14,467
Acquired Loans and Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 265,198 | 310,577
Less: unearned income and deferred costs and fees | 0 | 0
Total originated loans and leases, net of unearned income and deferred costs and fees | 265,198 | 310,577
Acquired Loans and Leases | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 43,712 | 50,976
Acquired Loans and Leases | Commercial and industrial | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Acquired Loans and Leases | Commercial and industrial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 43,712 | 50,976
Acquired Loans and Leases | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 179,092 | 207,747
Acquired Loans and Leases | Commercial real estate | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 224 | 247
Acquired Loans and Leases | Commercial real estate | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 177,484 | 206,020
Acquired Loans and Leases | Commercial real estate | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1,384 | 1,480
Acquired Loans and Leases | Residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 41,633 | 51,089
Acquired Loans and Leases | Residential real estate | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 21,149 | 28,444
Acquired Loans and Leases | Consumer and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 761 | 765
Acquired Loans and Leases | Consumer and other | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 761 | 765
Acquired Loans and Leases | Consumer and other | Indirect |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Acquired Loans and Leases | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | $ 0 | $ 0

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