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Loans, Impaired Financing Receivable (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | $ 14,330 |  | $ 14,330 |  | $ 14,803
Recorded Investment With No Allowance | 10,505 |  | 10,505 |  | 10,882
Recorded Investment With Allowance | 1,459 |  | 1,459 |  | 1,402
Total Recorded Investment | 11,964 |  | 11,964 |  | 12,284
Related Allowance | 482 |  | 482 |  | 355
Average Recorded Investment | 11,943 | $ 7,995 | 12,556 | $ 8,584 |
Interest Income Recognized | 92 | 36 | 297 | 123 |
Interest Income Recognized Cash Basis | 2 | 1 | 5 | 9 |
Real Estate Loans [Member] | Mortgages [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 959 |  | 959 |  | 281
Recorded Investment With No Allowance | 574 |  | 574 |  | 114
Recorded Investment With Allowance | 337 |  | 337 |  | 129
Total Recorded Investment | 911 |  | 911 |  | 243
Related Allowance | 28 |  | 28 |  | 26
Average Recorded Investment | 607 | 269 | 486 | 239 |
Interest Income Recognized | 1 | 4 | 10 | 8 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 5 |
Real Estate Loans [Member] | Home Equity [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 58 |  | 58 |  | 61
Recorded Investment With No Allowance | 0 |  | 0 |  | 0
Recorded Investment With Allowance | 58 |  | 58 |  | 61
Total Recorded Investment | 58 |  | 58 |  | 61
Related Allowance | 11 |  | 11 |  | 11
Average Recorded Investment | 58 | 62 | 59 | 97 |
Interest Income Recognized | 1 | 1 | 3 | 3 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Commercial [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 7,722 |  | 7,722 |  | 8,654
Recorded Investment With No Allowance | 5,437 |  | 5,437 |  | 5,843
Recorded Investment With Allowance | 130 |  | 130 |  | 225
Total Recorded Investment | 5,567 |  | 5,567 |  | 6,068
Related Allowance | 46 |  | 46 |  | 62
Average Recorded Investment | 5,980 | 5,462 | 6,088 | 5,728 |
Interest Income Recognized | 35 | 14 | 87 | 46 |
Interest Income Recognized Cash Basis | 0 | 0 | 0 | 0 |
Real Estate Loans [Member] | Agricultural [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 0 |  | 0 |  | 167
Recorded Investment With No Allowance | 0 |  | 0 |  | 167
Recorded Investment With Allowance | 0 |  | 0 |  | 0
Total Recorded Investment | 0 |  | 0 |  | 167
Related Allowance | 0 |  | 0 |  | 0
Average Recorded Investment | 0 | 57 | 110 | 19 |
Interest Income Recognized | 2 | 1 | 7 | 1 |
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 | 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 |
Other Commercial Loans [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 5,591 |  | 5,591 |  | 5,535
Recorded Investment With No Allowance | 4,494 |  | 4,494 |  | 4,653
Recorded Investment With Allowance | 934 |  | 934 |  | 987
Total Recorded Investment | 5,428 |  | 5,428 |  | 5,640
Related Allowance | 397 |  | 397 |  | 256
Average Recorded Investment | 5,298 | 2,107 | 5,743 | 2,488 |
Interest Income Recognized | 53 | 15 | 187 | 64 |
Interest Income Recognized Cash Basis | 2 | 1 | 5 | 4 |
Other Agricultural Loans [Member] |  |  |  |  |
Impaired Financing Receivable [Abstract] |  |  |  |  |
Unpaid Principal Balance | 0 |  | 0 |  | 105
Recorded Investment With No Allowance | 0 |  | 0 |  | 105
Recorded Investment With Allowance | 0 |  | 0 |  | 0
Total Recorded Investment | 0 |  | 0 |  | 105
Related Allowance | 0 |  | 0 |  | 0
Average Recorded Investment | 0 | 38 | 70 | 13 |
Interest Income Recognized | 0 | 1 | 3 | 1 |
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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