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Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | $ 4,691 |  | $ 4,691 |  | $ 5,897
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (2,629) |  | (2,629) |  | (2,194)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 2,062 |  | 2,062 |  | 3,703
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 1,446 |  | 1,446 |  | 1,929
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied | 0 |  | 0 |  | (67)
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 1,446 |  | 1,446 |  | 1,862
Impaired Financing Receivable, With Related Allowance, Related Allowance | 202 |  | 202 |  | 260
Impaired Financing Receivable, Unpaid Principal Balance | 6,137 |  | 6,137 |  | 7,826
Impaired Financing Receivable, Charge-off And Payments Applied | (2,629) |  | (2,629) |  | (2,261)
Impaired Financing Receivable, Recorded Investment | 3,508 |  | 3,508 |  | 5,565
Impaired Financing Receivable, Related Allowance | 202 |  | 202 |  | 260
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 3,626 | 5,501 | 4,484 | 6,458 |
Impaired Financing Receivable, Interest Income, Accrual Method | 20 | 19 | 62 | 53 |
Commercial and Industrial Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 83 |  | 83 |  | 124
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | 0 |  | 0 |  | 0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 83 |  | 83 |  | 124
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 88 | 139 | 105 | 152 |
Impaired Financing Receivable, Interest Income, Accrual Method | 2 | 2 | 6 | 7 |
Construction And Land Development Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 2,829 |  | 2,829 |  | 2,879
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (2,214) |  | (2,214) |  | (1,682)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 615 |  | 615 |  | 1,197
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  |  |  |  | 452
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied |  |  |  |  | (67)
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  |  |  |  | 385
Impaired Financing Receivable, Related Allowance |  |  |  |  | 88
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 730 | 1,596 | 1,159 | 1,608 |
Impaired Financing Receivable, Interest Income, Accrual Method | 0 | 0 | 0 | 0 |
Commercial Real Estate Owner Occupied Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 336 |  | 336 |  | 1,217
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (64) |  | (64) |  | (190)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 272 |  | 272 |  | 1,027
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 854 |  | 854 |  | 875
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied | 0 |  | 0 |  | 0
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 854 |  | 854 |  | 875
Impaired Financing Receivable, Related Allowance | 110 |  | 110 |  | 110
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 1,129 | 1,927 | 1,367 | 1,993 |
Impaired Financing Receivable, Interest Income, Accrual Method | 9 | 13 | 31 | 42 |
Commercial Real Estate Other Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 300 |  | 300 |  | 518
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (91) |  | (91) |  | (89)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 209 |  | 209 |  | 429
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 592 |  | 592 |  | 602
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied | 0 |  | 0 |  | 0
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 592 |  | 592 |  | 602
Impaired Financing Receivable, Related Allowance | 92 |  | 92 |  | 62
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 801 | 832 | 935 | 1,581 |
Impaired Financing Receivable, Interest Income, Accrual Method | 4 | 4 | 20 | 4 |
Commercial Real Estate Loans, Total [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 636 |  | 636 |  | 1,735
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (155) |  | (155) |  | (279)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 481 |  | 481 |  | 1,456
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 1,446 |  | 1,446 |  | 1,477
Impaired Financing Receivable, with Related Allowance, Charge-off And Payments Applied | 0 |  | 0 |  | 0
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 1,446 |  | 1,446 |  | 1,477
Impaired Financing Receivable, Related Allowance | 202 |  | 202 |  | 172
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 1,930 | 2,759 | 2,302 | 3,574 |
Impaired Financing Receivable, Interest Income, Accrual Method | 13 | 17 | 51 | 46 |
Residential Real Estate Consumer Mortgage Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 939 |  | 939 |  | 952
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (216) |  | (216) |  | (198)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 723 |  | 723 |  | 754
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 716 | 776 | 752 | 801 |
Impaired Financing Receivable, Interest Income, Accrual Method | 5 | 0 | 5 | 0 |
Residential Real Estate Investment Property Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 204 |  | 204 |  | 207
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (44) |  | (44) |  | (35)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 160 |  | 160 |  | 172
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 162 | 231 | 166 | 323 |
Impaired Financing Receivable, Interest Income, Accrual Method | 0 | 0 | 0 | 0 |
Residential Real Estate Loans, Total [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 1,143 |  | 1,143 |  | 1,159
Impaired Financing Receivable, with No Related Allowance, Charge-off And Payments Applied | (260) |  | (260) |  | (233)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 883 |  | 883 |  | 926
Impaired Financing Receivable, Average Recorded Investment [Abstract] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 878 | 1,007 | 918 | 1,124 |
Impaired Financing Receivable, Interest Income, Accrual Method | $ 5 | $ 0 | $ 5 | $ 0 |

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