Loans and Allowance for Loan Losses - Impaired Loans (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | |
Sep. 30, 2015USD ($) | Sep. 30, 2014USD ($) | Sep. 30, 2015USD ($)item | Sep. 30, 2014USD ($) | Dec. 31, 2014USD ($) |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | $ 7,652 | | $ 7,652 | | $ 2,799 |
Impaired Loans with Specific Allowance, Related Allowance | 930 | | 930 | | 690 |
Impaired Loans with No Specific Allowance, Recorded Investment | 5,267 | | 5,267 | | 11,982 |
Total Impaired Loans, Recorded Investment | 12,919 | | 12,919 | | 14,781 |
Total Impaired Loans, Unpaid Principal Balance | 14,594 | | $ 14,594 | | 15,856 |
Impaired loans, additional information | | | | | |
Number of loans causing change in impaired loans | item | | | 3 | | |
Financing Receivable, Allowance for Credit Losses, Write-downs | 304 | $ 665 | $ 727 | $ 776 | |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 13,365 | 7,235 | 13,935 | 7,321 | |
Interest income recognized on an accrual basis on impaired loans | 61 | 38 | 184 | 230 | |
Interest income recognized on a cash basis on impaired loans | 60 | 17 | 170 | 157 | |
Total Recorded Investment in Impaired Financing Receivables [Member] | Credit Concentration Risk [Member] | | | | | |
Impaired loans by class | | | | | |
Total Impaired Loans, Recorded Investment | 7,800 | | $ 7,800 | | |
Impaired loans, additional information | | | | | |
Number of loans causing change in impaired loans | item | | | 2 | | |
Concentration Risk, Percentage | | | 60.00% | | |
Total Recorded Investment in Impaired Financing Receivables [Member] | Government Contracts Concentration Risk [Member] | | | | | |
Impaired loans by class | | | | | |
Total Impaired Loans, Recorded Investment | 5,000 | | $ 5,000 | | |
Impaired loans, additional information | | | | | |
Number of loans causing change in impaired loans | item | | | 1 | | |
Commercial | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | 6,791 | | $ 6,791 | | 1,800 |
Impaired Loans with Specific Allowance, Related Allowance | 595 | | 595 | | 362 |
Impaired Loans with No Specific Allowance, Recorded Investment | 5,245 | | 5,245 | | 11,982 |
Total Impaired Loans, Recorded Investment | 12,036 | | 12,036 | | 13,782 |
Total Impaired Loans, Unpaid Principal Balance | 13,711 | | 13,711 | | 14,857 |
Impaired loans, additional information | | | | | |
Financing Receivable, Allowance for Credit Losses, Write-downs | 299 | 634 | 708 | 632 | |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 12,427 | 6,323 | 12,971 | 6,489 | |
Interest income recognized on an accrual basis on impaired loans | 56 | 33 | 168 | 213 | |
Interest income recognized on a cash basis on impaired loans | 53 | 12 | 158 | 142 | |
Impaired loans, recorded investment, in process of foreclosure | 249 | | 249 | | |
Commercial Business | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with No Specific Allowance, Recorded Investment | 2,758 | | 2,758 | | 3,606 |
Total Impaired Loans, Recorded Investment | 2,758 | | 2,758 | | 3,606 |
Total Impaired Loans, Unpaid Principal Balance | 2,758 | | 2,758 | | 3,606 |
Impaired loans, additional information | | | | | |
Proceeds from Collection of Loans Receivable | | | 848 | | |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 2,945 | | 3,228 | | |
Interest income recognized on an accrual basis on impaired loans | 39 | | 117 | | |
Interest income recognized on a cash basis on impaired loans | 39 | | 114 | | |
Commercial Real Estate | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | 6,522 | | 6,522 | | 1,527 |
Impaired Loans with Specific Allowance, Related Allowance | 498 | | 498 | | 260 |
Impaired Loans with No Specific Allowance, Recorded Investment | | | | | 5,021 |
Total Impaired Loans, Recorded Investment | 6,522 | | 6,522 | | 6,548 |
Total Impaired Loans, Unpaid Principal Balance | 6,522 | | 6,522 | | 6,548 |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 6,525 | 1,740 | 6,533 | 1,854 | |
Interest income recognized on an accrual basis on impaired loans | 15 | 31 | 44 | 94 | |
Interest income recognized on a cash basis on impaired loans | 12 | 8 | 37 | 50 | |
Acquisition & Development | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | 269 | | 269 | | 273 |
Impaired Loans with Specific Allowance, Related Allowance | 97 | | 97 | | 102 |
Impaired Loans with No Specific Allowance, Recorded Investment | 2,487 | | 2,487 | | 3,355 |
Total Impaired Loans, Recorded Investment | 2,756 | | 2,756 | | 3,628 |
Total Impaired Loans, Unpaid Principal Balance | 4,431 | | 4,431 | | 4,703 |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 2,957 | 4,583 | 3,210 | 4,635 | |
Interest income recognized on an accrual basis on impaired loans | 2 | 2 | 7 | 119 | |
Interest income recognized on a cash basis on impaired loans | 2 | 4 | 7 | 92 | |
Two Unrelated Acquisition and Development Loans [Member] | | | | | |
Impaired loans by class | | | | | |
Total Impaired Loans, Recorded Investment | 2,200 | | $ 2,200 | | 3,100 |
Impaired loans, additional information | | | | | |
Number of loans causing change in impaired loans | item | | | 2 | | |
Financing Receivable, Principal Curtailment | | | $ 268 | | |
Financing Receivable, Allowance for Credit Losses, Write-downs | | | 600 | | |
Residential | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | 827 | | 827 | | 969 |
Impaired Loans with Specific Allowance, Related Allowance | 301 | | 301 | | 298 |
Impaired Loans with No Specific Allowance, Recorded Investment | 22 | | 22 | | |
Total Impaired Loans, Recorded Investment | 849 | | 849 | | 969 |
Total Impaired Loans, Unpaid Principal Balance | 849 | | 849 | | 969 |
Impaired loans, additional information | | | | | |
Financing Receivable, Allowance for Credit Losses, Write-downs | | 30 | 14 | 133 | |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 909 | 868 | 935 | 779 | |
Interest income recognized on an accrual basis on impaired loans | 5 | 5 | 15 | 15 | |
Interest income recognized on a cash basis on impaired loans | 7 | 5 | 11 | 14 | |
Home Equity | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | 28 | | 28 | | 28 |
Impaired Loans with Specific Allowance, Related Allowance | 28 | | 28 | | 28 |
Total Impaired Loans, Recorded Investment | 28 | | 28 | | 28 |
Total Impaired Loans, Unpaid Principal Balance | 28 | | 28 | | 28 |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | 28 | 28 | 28 | 28 | |
Interest income recognized on an accrual basis on impaired loans | | | 1 | 1 | |
Interest income recognized on a cash basis on impaired loans | | | 1 | | |
Consumer | | | | | |
Impaired loans by class | | | | | |
Impaired Loans with Specific Allowance, Recorded Investment | 6 | | 6 | | 2 |
Impaired Loans with Specific Allowance, Related Allowance | 6 | | 6 | | 2 |
Total Impaired Loans, Recorded Investment | 6 | | 6 | | 2 |
Total Impaired Loans, Unpaid Principal Balance | 6 | | 6 | | $ 2 |
Impaired loans, additional information | | | | | |
Financing Receivable, Allowance for Credit Losses, Write-downs | 5 | 1 | 5 | 11 | |
Average recorded investment in impaired loans and related interest income recognized | | | | | |
Average investment in impaired loans | $ 1 | $ 16 | $ 1 | 25 | |
Interest income recognized on an accrual basis on impaired loans | | | | 1 | |
Interest income recognized on a cash basis on impaired loans | | | | $ 1 | |