Loans, Impaired Loan (Details) (USD $) | 3 Months Ended | 12 Months Ended |
In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013 |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | $3,365 | $2,277 |
Impaired loan, with an related allowance, recorded investment | 3,705 | 3,752 |
Impaired loan, total, recorded investment | 7,070 | 6,029 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 3,382 | 2,285 |
Impaired loan, with an related allowance, unpaid principal balance | 3,752 | 3,789 |
Impaired loan, total, unpaid principal balance | 7,134 | 6,074 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 574 | 559 |
Impaired loan, total, related allowance | 574 | 559 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 3,513 | 2,864 |
Impaired loan, with related allowance, average recorded investment | 3,720 | 2,768 |
Impaired loan, total, average recorded investment | 7,233 | 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 | 10 | 41 |
Impaired loan, total, interest income recognized | 11 | 70 |
Commercial [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 16 | 19 |
Impaired loan, with an related allowance, recorded investment | 0 | 0 |
Impaired loan, total, recorded investment | 16 | 19 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 16 | 19 |
Impaired loan, with an related allowance, unpaid principal balance | 0 | 0 |
Impaired loan, total, unpaid principal balance | 16 | 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 | 0 | 1 |
Impaired loan, with related allowance, interest income recognized | 0 | 0 |
Impaired loan, total, interest income recognized | 0 | 1 |
Commercial real estate, portfolio [Member] | Construction and land development [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 63 | 18 |
Impaired loan, with an related allowance, recorded investment | 1,453 | 1,468 |
Impaired loan, total, recorded investment | 1,516 | 1,486 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 63 | 18 |
Impaired loan, with an related allowance, unpaid principal balance | 1,496 | 1,507 |
Impaired loan, total, unpaid principal balance | 1,559 | 1,525 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 88 | 68 |
Impaired loan, total, related allowance | 88 | 68 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 64 | 261 |
Impaired loan, with related allowance, average recorded investment | 1,456 | 1,551 |
Impaired loan, total, average recorded investment | 1,520 | 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 | 8 | 33 |
Impaired loan, total, interest income recognized | 8 | 37 |
Commercial real estate, portfolio [Member] | Commercial real estate [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 1,942 | 936 |
Impaired loan, with an related allowance, recorded investment | 2,231 | 2,266 |
Impaired loan, total, recorded investment | 4,173 | 3,202 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 1,955 | 936 |
Impaired loan, with an related allowance, unpaid principal balance | 2,239 | 2,264 |
Impaired loan, total, unpaid principal balance | 4,194 | 3,200 |
Related Allowance [Abstract] | ' | ' |
Impaired loan, with no related allowance | 0 | 0 |
Impaired loan, with related allowance | 483 | 488 |
Impaired loan, total, related allowance | 483 | 488 |
Average Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, average recorded investment | 2,063 | 950 |
Impaired loan, with related allowance, average recorded investment | 2,246 | 1,198 |
Impaired loan, total, average recorded investment | 4,309 | 2,148 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 1 | 13 |
Impaired loan, with related allowance, interest income recognized | 2 | 7 |
Impaired loan, total, interest income recognized | 3 | 20 |
Residential real estate, portfolio [Member] | Residential [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 932 | 880 |
Impaired loan, with an related allowance, recorded investment | 4 | 0 |
Impaired loan, total, recorded investment | 936 | 880 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 936 | 888 |
Impaired loan, with an related allowance, unpaid principal balance | 0 | 0 |
Impaired loan, total, unpaid principal balance | 936 | 888 |
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 | 956 | 1,200 |
Impaired loan, with related allowance, average recorded investment | 0 | 0 |
Impaired loan, total, average recorded investment | 956 | 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 |
Residential real estate, portfolio [Member] | Home equity [Member] | ' | ' |
Recorded Investment [Abstract] | ' | ' |
Impaired loan, with no related allowance, recorded investment | 409 | 424 |
Impaired loan, with an related allowance, recorded investment | 0 | 0 |
Impaired loan, total, recorded investment | 409 | 424 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 409 | 424 |
Impaired loan, with an related allowance, unpaid principal balance | 0 | 0 |
Impaired loan, total, unpaid principal balance | 409 | 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 | 413 | 433 |
Impaired loan, with related allowance, average recorded investment | 0 | 0 |
Impaired loan, total, average recorded investment | 413 | 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 | 3 | 0 |
Impaired loan, with an related allowance, recorded investment | 17 | 18 |
Impaired loan, total, recorded investment | 20 | 18 |
Unpaid Principal Balance [Abstract] | ' | ' |
Impaired loan, with no related allowance, unpaid principal balance | 3 | 0 |
Impaired loan, with an related allowance, unpaid principal balance | 17 | 18 |
Impaired loan, total, unpaid principal balance | 20 | 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 | 18 | 19 |
Impaired loan, total, average recorded investment | 21 | 19 |
Interest Income Recognized [Abstract] | ' | ' |
Impaired loan, with no related allowance, interest income recognized | 0 | 0 |
Impaired loan, with related allowance, interest income recognized | 0 | 1 |
Impaired loan, total, interest income recognized | $0 | $1 |