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Allowance for Loan and Lease Losses - Credit Quality Indicators by Class of Commercial Real Estate (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Originated Loans and Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 3,195,492 | $ 3,033,655
Originated Loans and Leases | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 3,123,455 | 2,968,737
Originated Loans and Leases | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 28,074 | 44,334
Originated Loans and Leases | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 43,963 | 20,584
Originated Loans and Leases | Commercial and industrial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 926,429 | 932,067
Originated Loans and Leases | Commercial and industrial | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 910,476 | 919,214
Originated Loans and Leases | Commercial and industrial | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 8,675 | 6,680
Originated Loans and Leases | Commercial and industrial | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 7,278 | 6,173
Originated Loans and Leases | Commercial and industrial | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 107,494 | 108,608
Originated Loans and Leases | Commercial and industrial | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 93,939 | 100,470
Originated Loans and Leases | Commercial and industrial | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 4,951 | 8,068
Originated Loans and Leases | Commercial and industrial | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 8,604 | 70
Originated Loans and Leases | Commercial real estate | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 1,827,279 | 1,660,782
Originated Loans and Leases | Commercial real estate | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 1,797,599 | 1,627,713
Originated Loans and Leases | Commercial real estate | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 9,484 | 19,068
Originated Loans and Leases | Commercial real estate | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 20,196 | 14,001
Originated Loans and Leases | Commercial real estate | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 170,005 | 129,712
Originated Loans and Leases | Commercial real estate | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 157,156 | 119,392
Originated Loans and Leases | Commercial real estate | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 4,964 | 9,980
Originated Loans and Leases | Commercial real estate | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 7,885 | 340
Originated Loans and Leases | Commercial real estate | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 164,285 | 202,486
Originated Loans and Leases | Commercial real estate | Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 164,285 | 201,948
Originated Loans and Leases | Commercial real estate | Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 538
Originated Loans and Leases | Commercial real estate | Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 222,804 | 258,723
Acquired Loans and Leases | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 219,438 | 251,103
Acquired Loans and Leases | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 452 | 2,265
Acquired Loans and Leases | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 2,914 | 5,355
Acquired Loans and Leases | Commercial and industrial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 43,712 | 50,976
Acquired Loans and Leases | Commercial and industrial | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 43,447 | 50,554
Acquired Loans and Leases | Commercial and industrial | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial and industrial | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 265 | 422
Acquired Loans and Leases | Commercial and industrial | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial and industrial | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial and industrial | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial and industrial | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial real estate | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 177,484 | 206,020
Acquired Loans and Leases | Commercial real estate | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 174,383 | 198,822
Acquired Loans and Leases | Commercial real estate | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 452 | 2,265
Acquired Loans and Leases | Commercial real estate | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 2,649 | 4,933
Acquired Loans and Leases | Commercial real estate | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 224 | 247
Acquired Loans and Leases | Commercial real estate | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 224 | 247
Acquired Loans and Leases | Commercial real estate | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial real estate | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial real estate | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 1,384 | 1,480
Acquired Loans and Leases | Commercial real estate | Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 1,384 | 1,480
Acquired Loans and Leases | Commercial real estate | Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 0 | 0
Acquired Loans and Leases | Commercial real estate | Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 0 | $ 0

X
- 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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