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Loans (Non-accrual and Past Due Loans) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |
Non-accrual With No Allowance For Credit Loss | $ 6,048 | [1] | $ 10,119 | [2]
Total Non-Accrual | 18,434 | [1] | 21,507 | [2]
Loans Past Due Over 89 Days Still Accruing | 0 |  | 0 |
Commercial and Industrial Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Non-accrual With No Allowance For Credit Loss | 4,283 | [1] | 4,571 | [2]
Total Non-Accrual | 13,852 | [1] | 8,133 | [2]
Loans Past Due Over 89 Days Still Accruing | 0 |  | 0 |
Commercial Real Estate Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Non-accrual With No Allowance For Credit Loss | 50 | [1] | 3,152 | [2]
Total Non-Accrual | 2,766 | [1] | 10,188 | [2]
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 | 1,073 | [1] | 1,291 | [2]
Total Non-Accrual | 1,174 | [1] | 1,915 | [2]
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 | [1] | 0 | [2]
Total Non-Accrual | 0 | [1] | 0 | [2]
Loans Past Due Over 89 Days Still Accruing | 0 |  | 0 |
Home Equity Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Non-accrual With No Allowance For Credit Loss | 22 | [1] | 271 | [2]
Total Non-Accrual | 22 | [1] | 271 | [2]
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 | 16 | [1] | 77 | [2]
Total Non-Accrual | 16 | [1] | 84 | [2]
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 | 62 | [1] | 86 | [2]
Total Non-Accrual | 62 | [1] | 86 | [2]
Loans Past Due Over 89 Days Still Accruing | 0 |  | 0 |
Residential Mortgage Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Non-accrual With No Allowance For Credit Loss | 542 | [1] | 671 | [2]
Total Non-Accrual | 542 | [1] | 830 | [2]
Loans Past Due Over 89 Days Still Accruing | $ 0 |  | $ 0 |
[1] | Non-accrual loans with no allowance for credit loss and are also included in Total Non-Accrual loans of $18,434.
[2] | Includes non-accrual loans with no allowance for credit loss and are also included in Total Non-Accrual loans of $21,507.

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