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Loans (Non-accrual and Past Due Loans) (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | $ 5,526 |
Non-Accrual | 18,099 | $ 13,802
Loans Past Due Over 89 Days Still Accruing | 355 | 190
Acquired with Deteriorated Credit Quality |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual |  | 5,393
Loans Past Due Over 89 Days Still Accruing |  | 0
Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual |  | 2,058
Loans Past Due Over 89 Days Still Accruing |  | 0
Commercial and Industrial Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 62 |
Non-Accrual | 7,370 |
Loans Past Due Over 89 Days Still Accruing | 355 |
Commercial and Industrial Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual |  | 4,940
Loans Past Due Over 89 Days Still Accruing |  | 190
Commercial Real Estate Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 685 |
Non-Accrual | 5,184 | 3,433
Loans Past Due Over 89 Days Still Accruing | 0 | 0
Agricultural Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 2,230 |
Non-Accrual | 2,762 | 2,739
Loans Past Due Over 89 Days Still Accruing | 0 | 0
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 0 |
Non-Accrual | 0 |
Loans Past Due Over 89 Days Still Accruing | 0 |
Home Equity Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 241 |
Non-Accrual | 300 | 79
Loans Past Due Over 89 Days Still Accruing | 0 | 0
Consumer Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 60 |
Non-Accrual | 137 | 115
Loans Past Due Over 89 Days Still Accruing | 0 | 0
Credit Cards |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 54 |
Non-Accrual | 54 |
Loans Past Due Over 89 Days Still Accruing | 0 |
Residential Mortgage Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual With No Allowance for Credit Loss | 2,194 |
Non-Accrual | 2,292 | 2,496
Loans Past Due Over 89 Days Still Accruing | $ 0 | $ 0

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