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Loans, Impaired Financing Receivable (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | $ 22,762 |  | $ 22,762 |  | $ 27,160
Recorded Investment With No Allowance | 14,804 |  | 14,804 |  | 16,802
Recorded Investment With Allowance | 6,548 |  | 6,548 |  | 6,648
Total Recorded Investment | 21,352 |  | 21,352 |  | 23,450
Related Allowance | 810 |  | 810 |  | 676
Average Recorded Investment | 21,377 | $ 25,198 | 21,528 | $ 24,769 |
Interest Income Recognized | 122 | 182 | 424 | 604 |
Interest Income Recognized Cash Basis | 0 | 6 | 11 | 14 |
Real Estate Loans [Member] | Mortgages [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 1,220 |  | 1,220 |  | 932
Recorded Investment With No Allowance | 814 |  | 814 |  | 515
Recorded Investment With Allowance | 227 |  | 227 |  | 288
Total Recorded Investment | 1,041 |  | 1,041 |  | 803
Related Allowance | 10 |  | 10 |  | 10
Average Recorded Investment | 1,048 | 896 | 1,075 | 988 |
Interest Income Recognized | 3 | 3 | 12 | 10 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Home Equity [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 174 |  | 174 |  | 106
Recorded Investment With No Allowance | 85 |  | 85 |  | 12
Recorded Investment With Allowance | 69 |  | 69 |  | 75
Total Recorded Investment | 154 |  | 154 |  | 87
Related Allowance | 12 |  | 12 |  | 14
Average Recorded Investment | 143 | 92 | 108 | 98 |
Interest Income Recognized | 2 | 2 | 4 | 4 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Commercial [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 12,466 |  | 12,466 |  | 16,326
Recorded Investment With No Allowance | 10,469 |  | 10,469 |  | 11,933
Recorded Investment With Allowance | 1,452 |  | 1,452 |  | 1,394
Total Recorded Investment | 11,921 |  | 11,921 |  | 13,327
Related Allowance | 342 |  | 342 |  | 216
Average Recorded Investment | 11,906 | 14,116 | 11,768 | 13,915 |
Interest Income Recognized | 112 | 130 | 342 | 372 |
Interest Income Recognized Cash Basis | 0 | 6 | 11 | 14 |
Real Estate Loans [Member] | Agricultural [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 4,811 |  | 4,811 |  | 5,598
Recorded Investment With No Allowance | 1,617 |  | 1,617 |  | 2,386
Recorded Investment With Allowance | 3,164 |  | 3,164 |  | 3,206
Total Recorded Investment | 4,781 |  | 4,781 |  | 5,592
Related Allowance | 145 |  | 145 |  | 84
Average Recorded Investment | 4,795 | 5,146 | 5,068 | 4,472 |
Interest Income Recognized | 5 | 24 | 61 | 124 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Consumer [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 6 |  | 6 |  | 0
Recorded Investment With No Allowance | 6 |  | 6 |  | 0
Recorded Investment With Allowance | 0 |  | 0 |  | 0
Total Recorded Investment | 6 |  | 6 |  | 0
Related Allowance | 0 |  | 0 |  | 0
Average Recorded Investment | 4 | 0 | 2 | 2 |
Interest Income Recognized | 0 | 0 | 0 | 0 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Other Commercial Loans [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 2,621 |  | 2,621 |  | 2,711
Recorded Investment With No Allowance | 1,715 |  | 1,715 |  | 1,836
Recorded Investment With Allowance | 327 |  | 327 |  | 370
Total Recorded Investment | 2,042 |  | 2,042 |  | 2,206
Related Allowance | 144 |  | 144 |  | 193
Average Recorded Investment | 2,073 | 3,495 | 2,088 | 3,906 |
Interest Income Recognized | 0 | 21 | 1 | 73 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Other Agricultural Loans [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 1,464 |  | 1,464 |  | 1,487
Recorded Investment With No Allowance | 98 |  | 98 |  | 120
Recorded Investment With Allowance | 1,309 |  | 1,309 |  | 1,315
Total Recorded Investment | 1,407 |  | 1,407 |  | 1,435
Related Allowance | 157 |  | 157 |  | $ 159
Average Recorded Investment | 1,408 | 1,453 | 1,419 | 1,388 |
Interest Income Recognized | 0 | 2 | 4 | 21 |
Interest Income Recognized Cash Basis | $ 0 | $ 0 | $ 0 | $ 0 |

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