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Loans, Impaired Financing Receivable (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | $ 21,337 |  | $ 21,220
Recorded Investment With No Allowance | 14,704 |  | 14,865
Recorded Investment With Allowance | 5,027 |  | 4,807
Total Recorded Investment | 19,731 |  | 19,672
Related Allowance | 753 |  | 735
Average Recorded Investment | 19,558 | $ 22,879 |
Interest Income Recognized | 135 | 159 |
Interest Income Recognized Cash Basis | 2 | 6 |
Real Estate Loans [Member] | Mortgages [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 1,282 |  | 1,212
Recorded Investment With No Allowance | 776 |  | 794
Recorded Investment With Allowance | 300 |  | 223
Total Recorded Investment | 1,076 |  | 1,017
Related Allowance | 20 |  | 20
Average Recorded Investment | 1,031 | 1,103 |
Interest Income Recognized | 5 | 4 |
Interest Income Recognized Cash Basis | 0 | 0 |
Real Estate Loans [Member] | Home Equity [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 166 |  | 170
Recorded Investment With No Allowance | 80 |  | 83
Recorded Investment With Allowance | 64 |  | 66
Total Recorded Investment | 144 |  | 149
Related Allowance | 11 |  | 12
Average Recorded Investment | 146 | 85 |
Interest Income Recognized | 2 | 1 |
Interest Income Recognized Cash Basis | 0 | 0 |
Real Estate Loans [Member] | Commercial [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 12,000 |  | 12,070
Recorded Investment With No Allowance | 10,668 |  | 10,723
Recorded Investment With Allowance | 812 |  | 814
Total Recorded Investment | 11,480 |  | 11,537
Related Allowance | 335 |  | 251
Average Recorded Investment | 11,486 | 12,548 |
Interest Income Recognized | 104 | 119 |
Interest Income Recognized Cash Basis | 2 | 6 |
Real Estate Loans [Member] | Agricultural [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 4,046 |  | 3,900
Recorded Investment With No Allowance | 1,549 |  | 1,580
Recorded Investment With Allowance | 2,344 |  | 2,202
Total Recorded Investment | 3,893 |  | 3,782
Related Allowance | 86 |  | 151
Average Recorded Investment | 3,777 | 5,575 |
Interest Income Recognized | 21 | 32 |
Interest Income Recognized Cash Basis | 0 | 0 |
Consumer [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 3 |  | 4
Recorded Investment With No Allowance | 3 |  | 4
Recorded Investment With Allowance | 0 |  | 0
Total Recorded Investment | 3 |  | 4
Related Allowance | 0 |  | 0
Average Recorded Investment | 3 | 0 |
Interest Income Recognized | 0 | 0 |
Interest Income Recognized Cash Basis | 0 | 0 |
Other Commercial Loans [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 2,459 |  | 2,517
Recorded Investment With No Allowance | 1,499 |  | 1,555
Recorded Investment With Allowance | 343 |  | 347
Total Recorded Investment | 1,842 |  | 1,902
Related Allowance | 148 |  | 147
Average Recorded Investment | 1,839 | 2,137 |
Interest Income Recognized | 1 | 1 |
Interest Income Recognized Cash Basis | 0 | 0 |
Other Agricultural Loans [Member] |  |  |
Impaired Financing Receivable [Abstract] |  |  |
Unpaid Principal Balance | 1,381 |  | 1,347
Recorded Investment With No Allowance | 129 |  | 126
Recorded Investment With Allowance | 1,164 |  | 1,155
Total Recorded Investment | 1,293 |  | 1,281
Related Allowance | 153 |  | $ 154
Average Recorded Investment | 1,276 | 1,431 |
Interest Income Recognized | 2 | 2 |
Interest Income Recognized Cash Basis | $ 0 | $ 0 |

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