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Loans and Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Commercial & Industrial [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  |  |  |
With no related allowance recorded, Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment |  |  |  |  |
With no related allowance recorded, Interest Income Recognized |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  |  |  | 50
With a specific allowance recorded, Unpaid Principal Balance |  |  |  |  | 50
With a specific allowance recorded, Related Allowance |  |  |  |  | 50
With a specific allowance recorded, Average Recorded Investment |  |  |  |  | 50
With a specific allowance recorded, Interest Income Recognized |  |  |  |  | 3
Total Recorded Investment |  |  |  |  | 50
Total Unpaid Principal Balance |  |  |  |  | 50
Total Related Allowance |  |  |  |  | 50
Total Average Recorded Investment |  |  |  |  | 50
Total Interest Income Recognized |  |  |  |  | 3
Commercial RE & Construction [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 735 |  | 735 |  | 637
With no related allowance recorded, Unpaid Principal Balance | 735 |  | 735 |  | 637
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 756 | 761 | 758 | 766 | 655
With no related allowance recorded, Interest Income Recognized | 9 | 6 | 22 | 11 | 24
With a specific allowance recorded, Recorded Investment | 689 |  | 689 |  | 941
With a specific allowance recorded, Unpaid Principal Balance | 689 |  | 689 |  | 941
With a specific allowance recorded, Related Allowance | 96 |  | 96 |  | 119
With a specific allowance recorded, Average Recorded Investment | 689 | 4,924 | 738 | 4,924 | 1,010
With a specific allowance recorded, Interest Income Recognized |  |  | (2) |  | 45
Total Recorded Investment | 1,424 |  | 1,424 |  | 1,578
Total Unpaid Principal Balance | 1,424 |  | 1,424 |  | 1,578
Total Related Allowance | 96 |  | 96 |  | 119
Total Average Recorded Investment | 1,445 | 5,685 | 1,496 | 5,690 | 1,665
Total Interest Income Recognized | 9 | 6 | 20 | 11 | 69
Agricultural & Farmland [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  |  |  |
With no related allowance recorded, Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment |  |  |  |  |
With no related allowance recorded, Interest Income Recognized |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  |  |  |
With a specific allowance recorded, Unpaid Principal Balance |  |  |  |  |
With a specific allowance recorded, Related Allowance |  |  |  |  |
With a specific allowance recorded, Average Recorded Investment |  |  |  |  |
With a specific allowance recorded, Interest Income Recognized |  |  |  |  |
Total Recorded Investment |  |  |  |  |
Total Unpaid Principal Balance |  |  |  |  |
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment |  |  |  |  |
Total Interest Income Recognized |  |  |  |  |
Residential Real Estate [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 1,114 |  | 1,114 |  | 1,248
With no related allowance recorded, Unpaid Principal Balance | 1,157 |  | 1,157 |  | 1,290
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 1,346 | 1,195 | 1,351 | 1,199 | 1,470
With no related allowance recorded, Interest Income Recognized | 16 | 16 | 35 | 34 | 70
With a specific allowance recorded, Recorded Investment | 561 |  | 561 |  | 671
With a specific allowance recorded, Unpaid Principal Balance | 561 |  | 561 |  | 672
With a specific allowance recorded, Related Allowance | 117 |  | 117 |  | 124
With a specific allowance recorded, Average Recorded Investment | 631 | 958 | 634 | 962 | 751
With a specific allowance recorded, Interest Income Recognized | 6 | 10 | 13 | 19 | 30
Total Recorded Investment | 1,675 |  | 1,675 |  | 1,919
Total Unpaid Principal Balance | 1,718 |  | 1,718 |  | 1,962
Total Related Allowance | 117 |  | 117 |  | 124
Total Average Recorded Investment | 1,977 | 2,153 | 1,985 | 2,161 | 2,221
Total Interest Income Recognized | 22 | 26 | 48 | 53 | 100
Consumer & Other [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 118 |  | 118 |  | 129
With no related allowance recorded, Unpaid Principal Balance | 118 |  | 118 |  | 129
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 143 | 94 | 145 | 96 | 151
With no related allowance recorded, Interest Income Recognized | 2 | 2 | 5 | 4 | 11
With a specific allowance recorded, Recorded Investment | 112 |  | 112 |  | 119
With a specific allowance recorded, Unpaid Principal Balance | 112 |  | 112 |  | 118
With a specific allowance recorded, Related Allowance | 7 |  | 7 |  | 7
With a specific allowance recorded, Average Recorded Investment | 117 | 272 | 118 | 274 | 123
With a specific allowance recorded, Interest Income Recognized | 2 | 4 | 3 | 9 | 7
Total Recorded Investment | 230 |  | 230 |  | 248
Total Unpaid Principal Balance | 230 |  | 230 |  | 247
Total Related Allowance | 7 |  | 7 |  | 7
Total Average Recorded Investment | 260 | 366 | 263 | 370 | 274
Total Interest Income Recognized | 4 | 6 | 8 | 13 | 18
All Impaired Loans less than $100,000 [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 375 |  | 375 |  | 452
With no related allowance recorded, Unpaid Principal Balance | 375 |  | 375 |  | 452
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 375 | 438 | 375 | 438 | 452
With no related allowance recorded, Interest Income Recognized |  |  |  |  |
Total Recorded Investment | 375 |  | 375 |  | 452
Total Unpaid Principal Balance | 375 |  | 375 |  | 452
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment | 375 | 438 | 375 | 438 | 452
Total Interest Income Recognized |  |  |  |  |

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