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Loans and Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Commercial & Industrial [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | $ 663 |  | $ 663 |  | $ 394
With no related allowance recorded, Unpaid Principal Balance | 2,549 |  | 2,549 |  | 2,280
With no related allowance recorded, Average Recorded Investment | 870 | 2,071 | 2,341 | 2,568 |
With no related allowance recorded, Interest Income Recognized | 4 |  | 13 |  |
With a specific allowance recorded, Recorded Investment | 1,800 |  | 1,800 |  | 838
With a specific allowance recorded, Unpaid Principal Balance | 1,800 |  | 1,800 |  | 944
With a specific allowance recorded, Related Allowance | 521 |  | 521 |  | 485
With a specific allowance recorded, Average Recorded Investment | 1,800 | 947 | 1,773 | 949 |
With a specific allowance recorded, Interest Income Recognized | 12 | 3 | 44 | 6 |
Total Recorded Investment | 2,463 |  | 2,463 |  | 1,232
Total Unpaid Principal Balance | 4,349 |  | 4,349 |  | 3,224
Total Related Allowance | 521 |  | 521 |  | 485
Total Average Recorded Investment | 2,670 | 3,018 | 4,114 | 3,517 |
Total Interest Income Recognized | 16 | 3 | 57 | 6 |
Commercial RE & Construction [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 624 |  | 624 |  | 527
With no related allowance recorded, Unpaid Principal Balance | 624 |  | 624 |  | 1,529
With no related allowance recorded, Average Recorded Investment | 805 | 2,013 | 820 | 2,078 |
With no related allowance recorded, Interest Income Recognized | 5 | 6 | 19 | 18 |
With a specific allowance recorded, Recorded Investment | 205 |  | 205 |  | 198
With a specific allowance recorded, Unpaid Principal Balance | 258 |  | 258 |  | 198
With a specific allowance recorded, Related Allowance | 40 |  | 40 |  | 55
With a specific allowance recorded, Average Recorded Investment | 259 |  | 261 |  |
With a specific allowance recorded, Interest Income Recognized | 3 |  | 8 |  |
Total Recorded Investment | 829 |  | 829 |  | 725
Total Unpaid Principal Balance | 882 |  | 882 |  | 1,727
Total Related Allowance | 40 |  | 40 |  | 55
Total Average Recorded Investment | 1,064 | 2,013 | 1,081 | 2,078 |
Total Interest Income Recognized | 8 | 6 | 27 | 18 |
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, 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 |  | 3 |  | 3 |
With a specific allowance recorded, Interest Income Recognized |  |  |  |  |
Total Recorded Investment |  |  |  |  |
Total Unpaid Principal Balance |  |  |  |  |
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment |  | 3 |  | 3 |
Total Interest Income Recognized |  |  |  |  |
Residential Real Estate [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 1,020 |  | 1,020 |  | 1,122
With no related allowance recorded, Unpaid Principal Balance | 1,074 |  | 1,074 |  | 1,204
With no related allowance recorded, Average Recorded Investment | 1,156 | 1,351 | 1,160 | 1,359 |
With no related allowance recorded, Interest Income Recognized | 12 | 16 | 35 | 57 |
With a specific allowance recorded, Recorded Investment | 1,105 |  | 1,105 |  | 1,561
With a specific allowance recorded, Unpaid Principal Balance | 1,105 |  | 1,105 |  | 1,561
With a specific allowance recorded, Related Allowance | 219 |  | 219 |  | 386
With a specific allowance recorded, Average Recorded Investment | 978 | 1,475 | 983 | 1,480 |
With a specific allowance recorded, Interest Income Recognized | 12 | 12 | 36 | 38 |
Total Recorded Investment | 2,125 |  | 2,125 |  | 2,683
Total Unpaid Principal Balance | 2,179 |  | 2,179 |  | 2,765
Total Related Allowance | 219 |  | 219 |  | 386
Total Average Recorded Investment | 2,134 | 2,826 | 2,143 | 2,839 |
Total Interest Income Recognized | 24 | 28 | 71 | 95 |
Home Equity & Consumer [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 189 |  | 189 |  | 228
With no related allowance recorded, Unpaid Principal Balance | 189 |  | 189 |  | 260
With no related allowance recorded, Average Recorded Investment | 199 | 388 | 203 | 393 |
With no related allowance recorded, Interest Income Recognized | 3 | 4 | 8 | 11 |
With a specific allowance recorded, Recorded Investment | 415 |  | 415 |  | 454
With a specific allowance recorded, Unpaid Principal Balance | 415 |  | 415 |  | 454
With a specific allowance recorded, Related Allowance | 178 |  | 178 |  | 195
With a specific allowance recorded, Average Recorded Investment | 438 | 362 | 445 | 365 |
With a specific allowance recorded, Interest Income Recognized | 7 | 5 | 22 | 13 |
Total Recorded Investment | 604 |  | 604 |  | 682
Total Unpaid Principal Balance | 604 |  | 604 |  | 714
Total Related Allowance | 178 |  | 178 |  | 195
Total Average Recorded Investment | 637 | 750 | 648 | 758 |
Total Interest Income Recognized | 10 | 9 | 30 | 24 |
All Impaired Loans less than $100,000 [Member] |  |  |  |  |
Summary of Impaired loan activity |  |  |  |  |
With no related allowance recorded, Recorded Investment | 1,065 |  | 1,065 |  | 1,336
With no related allowance recorded, Unpaid Principal Balance | 1,065 |  | 1,065 |  | 1,336
With no related allowance recorded, Average Recorded Investment | 1,065 | 1,441 | 1,065 | 1,441 |
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 | 1,065 |  | 1,065 |  | 1,336
Total Unpaid Principal Balance | 1,065 |  | 1,065 |  | 1,336
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment | 1,065 | 1,441 | 1,065 | 1,441 |
Total Interest Income Recognized |  |  |  |  |

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