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Loans and Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 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 | 629 |  | 637
With no related allowance recorded, Unpaid Principal Balance | 629 |  | 637
With no related allowance recorded, Related Allowance |  |  |
With no related allowance recorded, Average Recorded Investment | 644 | 667 | 655
With no related allowance recorded, Interest Income Recognized | 12 | 4 | 24
With a specific allowance recorded, Recorded Investment | 689 |  | 941
With a specific allowance recorded, Unpaid Principal Balance | 689 |  | 941
With a specific allowance recorded, Related Allowance | 96 |  | 119
With a specific allowance recorded, Average Recorded Investment | 788 | 4,924 | 1,010
With a specific allowance recorded, Interest Income Recognized | (2) |  | 45
Total Recorded Investment | 1,318 |  | 1,578
Total Unpaid Principal Balance | 1,318 |  | 1,578
Total Related Allowance | 96 |  | 119
Total Average Recorded Investment | 1,432 | 5,591 | 1,665
Total Interest Income Recognized | 10 | 4 | 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 | 1,131 |  | 1,248
With no related allowance recorded, Unpaid Principal Balance | 1,174 |  | 1,290
With no related allowance recorded, Related Allowance |  |  |
With no related allowance recorded, Average Recorded Investment | 1,355 | 1,137 | 1,470
With no related allowance recorded, Interest Income Recognized | 18 | 15 | 70
With a specific allowance recorded, Recorded Investment | 569 |  | 671
With a specific allowance recorded, Unpaid Principal Balance | 569 |  | 672
With a specific allowance recorded, Related Allowance | 119 |  | 124
With a specific allowance recorded, Average Recorded Investment | 637 | 1,063 | 751
With a specific allowance recorded, Interest Income Recognized | 7 | 11 | 30
Total Recorded Investment | 1,700 |  | 1,919
Total Unpaid Principal Balance | 1,743 |  | 1,962
Total Related Allowance | 119 |  | 124
Total Average Recorded Investment | 1,992 | 2,200 | 2,221
Total Interest Income Recognized | 25 | 26 | 100
Consumer & Other [Member] |  |  |
Summary of Impaired loan activity |  |  |
With no related allowance recorded, Recorded Investment | 124 |  | 129
With no related allowance recorded, Unpaid Principal Balance | 124 |  | 129
With no related allowance recorded, Related Allowance |  |  |
With no related allowance recorded, Average Recorded Investment | 139 | 98 | 151
With no related allowance recorded, Interest Income Recognized | 2 | 2 | 11
With a specific allowance recorded, Recorded Investment | 166 |  | 119
With a specific allowance recorded, Unpaid Principal Balance | 166 |  | 118
With a specific allowance recorded, Related Allowance | 57 |  | 7
With a specific allowance recorded, Average Recorded Investment | 167 | 363 | 123
With a specific allowance recorded, Interest Income Recognized | 1 | 5 | 7
Total Recorded Investment | 290 |  | 248
Total Unpaid Principal Balance | 290 |  | 247
Total Related Allowance | 57 |  | 7
Total Average Recorded Investment | 306 | 461 | 274
Total Interest Income Recognized | 3 | 7 | 18
All Impaired Loans less than $100,000 [Member] |  |  |
Summary of Impaired loan activity |  |  |
With no related allowance recorded, Recorded Investment | 619 |  | 452
With no related allowance recorded, Unpaid Principal Balance | 619 |  | 452
With no related allowance recorded, Related Allowance |  |  |
With no related allowance recorded, Average Recorded Investment | 619 | 381 | 452
With no related allowance recorded, Interest Income Recognized |  |  |
Total Recorded Investment | 619 |  | 452
Total Unpaid Principal Balance | 619 |  | 452
Total Related Allowance |  |  |
Total Average Recorded Investment | 619 | 381 | 452
Total Interest Income Recognized |  |  |

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