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Loans, Impaired Financing Receivable (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | $ 23,037 |  | $ 23,037 |  | $ 27,160
Recorded Investment With No Allowance | 14,968 |  | 14,968 |  | 16,802
Recorded Investment With Allowance | 6,553 |  | 6,553 |  | 6,648
Total Recorded Investment | 21,521 |  | 21,521 |  | 23,450
Related Allowance | 803 |  | 803 |  | 676
Average Recorded Investment | 20,326 | $ 24,567 | 21,603 | $ 24,554 |
Interest Income Recognized | 143 | 208 | 302 | 422 |
Interest Income Recognized Cash Basis | 5 | 3 | 11 | 8 |
Real Estate Loans [Member] | Mortgages [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 1,228 |  | 1,228 |  | 932
Recorded Investment With No Allowance | 832 |  | 832 |  | 515
Recorded Investment With Allowance | 233 |  | 233 |  | 288
Total Recorded Investment | 1,065 |  | 1,065 |  | 803
Related Allowance | 10 |  | 10 |  | 10
Average Recorded Investment | 1,073 | 1,045 | 1,088 | 1,034 |
Interest Income Recognized | 5 | 3 | 9 | 7 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Home Equity [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 269 |  | 269 |  | 106
Recorded Investment With No Allowance | 50 |  | 50 |  | 12
Recorded Investment With Allowance | 71 |  | 71 |  | 75
Total Recorded Investment | 121 |  | 121 |  | 87
Related Allowance | 13 |  | 13 |  | 14
Average Recorded Investment | 95 | 95 | 90 | 101 |
Interest Income Recognized | 1 | 1 | 2 | 2 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Commercial [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 12,510 |  | 12,510 |  | 16,326
Recorded Investment With No Allowance | 10,517 |  | 10,517 |  | 11,933
Recorded Investment With Allowance | 1,452 |  | 1,452 |  | 1,394
Total Recorded Investment | 11,969 |  | 11,969 |  | 13,327
Related Allowance | 333 |  | 333 |  | 216
Average Recorded Investment | 10,849 | 13,833 | 11,699 | 13,814 |
Interest Income Recognized | 111 | 120 | 230 | 242 |
Interest Income Recognized Cash Basis | 5 | 3 | 11 | 8 |
Real Estate Loans [Member] | Agricultural [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 4,842 |  | 4,842 |  | 5,598
Recorded Investment With No Allowance | 1,641 |  | 1,641 |  | 2,386
Recorded Investment With Allowance | 3,175 |  | 3,175 |  | 3,206
Total Recorded Investment | 4,816 |  | 4,816 |  | 5,592
Related Allowance | 146 |  | 146 |  | 84
Average Recorded Investment | 4,835 | 4,185 | 5,205 | 4,135 |
Interest Income Recognized | 24 | 49 | 56 | 100 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Construction [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 0 |  | 0 |  | 0
Recorded Investment With No Allowance | 0 |  | 0 |  | 0
Recorded Investment With Allowance | 0 |  | 0 |  | 0
Total Recorded Investment | 0 |  | 0 |  | 0
Related Allowance | 0 |  | 0 |  | 0
Average Recorded Investment | 0 | 0 | 0 | 0 |
Interest Income Recognized | 0 | 0 | 0 | 0 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Consumer [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 5 |  | 5 |  | 0
Recorded Investment With No Allowance | 5 |  | 5 |  | 0
Recorded Investment With Allowance | 0 |  | 0 |  | 0
Total Recorded Investment | 5 |  | 5 |  | 0
Related Allowance | 0 |  | 0 |  | 0
Average Recorded Investment | 2 | 0 | 1 | 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 | 2,715 |  | 2,715 |  | 2,711
Recorded Investment With No Allowance | 1,821 |  | 1,821 |  | 1,836
Recorded Investment With Allowance | 313 |  | 313 |  | 370
Total Recorded Investment | 2,134 |  | 2,134 |  | 2,206
Related Allowance | 143 |  | 143 |  | 193
Average Recorded Investment | 2,056 | 4,067 | 2,096 | 4,112 |
Interest Income Recognized | 0 | 26 | 1 | 52 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Other Agricultural Loans [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 1,468 |  | 1,468 |  | 1,487
Recorded Investment With No Allowance | 102 |  | 102 |  | 120
Recorded Investment With Allowance | 1,309 |  | 1,309 |  | 1,315
Total Recorded Investment | 1,411 |  | 1,411 |  | 1,435
Related Allowance | 158 |  | 158 |  | 159
Average Recorded Investment | 1,416 | 1,342 | 1,424 | 1,356 |
Interest Income Recognized | 2 | 9 | 4 | 19 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
State and Political Subdivision Loans [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 0 |  | 0 |  | 0
Recorded Investment With No Allowance | 0 |  | 0 |  | 0
Recorded Investment With Allowance | 0 |  | 0 |  | 0
Total Recorded Investment | 0 |  | 0 |  | 0
Related Allowance | 0 |  | 0 |  | $ 0
Average Recorded Investment | 0 | 0 | 0 | 0 |
Interest Income Recognized | 0 | 0 | 0 | 0 |
Interest Income Recognized Cash Basis | $ 0 | $ 0 | $ 0 | $ 0 |

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