Loans, Impaired Loan (Details) (USD $) | 9 Months Ended | 12 Months Ended |
In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013 |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | $2,002 | $2,277 |
Impaired loan, with an related allowance, recorded investment | 2,804 | 3,752 |
Impaired loan, total, recorded investment | 4,806 | 6,029 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 2,062 | 2,285 |
Impaired loan, with an related allowance, unpaid principal balance | 2,831 | 3,789 |
Impaired loan, total, unpaid principal balance | 4,893 | 6,074 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 646 | 559 |
Impaired loan, total, related allowance | 646 | 559 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 2,558 | 2,864 |
Impaired loan, with related allowance, average recorded investment | 2,837 | 2,768 |
Impaired loan, total, average recorded investment | 5,395 | 5,632 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 1 | 29 |
Impaired loan, with related allowance, interest income recognized | 39 | 41 |
Impaired loan, total, interest income recognized | 40 | 70 |
Commercial [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 9 | 19 |
Impaired loan, with an related allowance, recorded investment | 0 | 0 |
Impaired loan, total, recorded investment | 9 | 19 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 9 | 19 |
Impaired loan, with an related allowance, unpaid principal balance | 0 | 0 |
Impaired loan, total, unpaid principal balance | 9 | 19 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 0 | 0 |
Impaired loan, total, related allowance | 0 | 0 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 14 | 20 |
Impaired loan, with related allowance, average recorded investment | 0 | 0 |
Impaired loan, total, average recorded investment | 14 | 20 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 1 | 1 |
Impaired loan, with related allowance, interest income recognized | 0 | 0 |
Impaired loan, total, interest income recognized | 1 | 1 |
Construction and land development [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 291 | 18 |
Impaired loan, with an related allowance, recorded investment | 582 | 1,468 |
Impaired loan, total, recorded investment | 873 | 1,486 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 333 | 18 |
Impaired loan, with an related allowance, unpaid principal balance | 582 | 1,507 |
Impaired loan, total, unpaid principal balance | 915 | 1,525 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 11 | 68 |
Impaired loan, total, related allowance | 11 | 68 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 504 | 261 |
Impaired loan, with related allowance, average recorded investment | 597 | 1,551 |
Impaired loan, total, average recorded investment | 1,101 | 1,812 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 0 | 4 |
Impaired loan, with related allowance, interest income recognized | 25 | 33 |
Impaired loan, total, interest income recognized | 25 | 37 |
Commercial real estate [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 984 | 936 |
Impaired loan, with an related allowance, recorded investment | 2,202 | 2,266 |
Impaired loan, total, recorded investment | 3,186 | 3,202 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 990 | 936 |
Impaired loan, with an related allowance, unpaid principal balance | 2,229 | 2,264 |
Impaired loan, total, unpaid principal balance | 3,219 | 3,200 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 631 | 488 |
Impaired loan, total, related allowance | 631 | 488 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 919 | 950 |
Impaired loan, with related allowance, average recorded investment | 2,219 | 1,198 |
Impaired loan, total, average recorded investment | 3,138 | 2,148 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 0 | 13 |
Impaired loan, with related allowance, interest income recognized | 13 | 7 |
Impaired loan, total, interest income recognized | 13 | 20 |
Residential [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 511 | 880 |
Impaired loan, with an related allowance, recorded investment | 4 | 0 |
Impaired loan, total, recorded investment | 515 | 880 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 523 | 888 |
Impaired loan, with an related allowance, unpaid principal balance | 4 | 0 |
Impaired loan, total, unpaid principal balance | 527 | 888 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 1 | 0 |
Impaired loan, total, related allowance | 1 | 0 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 768 | 1,200 |
Impaired loan, with related allowance, average recorded investment | 4 | 0 |
Impaired loan, total, average recorded investment | 772 | 1,200 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 0 | 11 |
Impaired loan, with related allowance, interest income recognized | 0 | 0 |
Impaired loan, total, interest income recognized | 0 | 11 |
Home equity [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 205 | 424 |
Impaired loan, with an related allowance, recorded investment | 0 | 0 |
Impaired loan, total, recorded investment | 205 | 424 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 205 | 424 |
Impaired loan, with an related allowance, unpaid principal balance | 0 | 0 |
Impaired loan, total, unpaid principal balance | 205 | 424 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 0 | 0 |
Impaired loan, total, related allowance | 0 | 0 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 350 | 433 |
Impaired loan, with related allowance, average recorded investment | 0 | 0 |
Impaired loan, total, average recorded investment | 350 | 433 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 0 | 0 |
Impaired loan, with related allowance, interest income recognized | 0 | 0 |
Impaired loan, total, interest income recognized | 0 | 0 |
Consumer [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 2 | 0 |
Impaired loan, with an related allowance, recorded investment | 16 | 18 |
Impaired loan, total, recorded investment | 18 | 18 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 2 | 0 |
Impaired loan, with an related allowance, unpaid principal balance | 16 | 18 |
Impaired loan, total, unpaid principal balance | 18 | 18 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 3 | 3 |
Impaired loan, total, related allowance | 3 | 3 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 3 | 0 |
Impaired loan, with related allowance, average recorded investment | 17 | 19 |
Impaired loan, total, average recorded investment | 20 | 19 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 0 | 0 |
Impaired loan, with related allowance, interest income recognized | 1 | 1 |
Impaired loan, total, interest income recognized | $1 | $1 |