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Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Commercial and Industrial Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | $ 124 | $ 169 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 0 | 0 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 124 | 169 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts |  |  | 2
Financing Receivable, Modification, Pre-Modification Recorded Investment |  |  | 791
Financing Receivable, Modifications, Post-Modifications Recorded Investment |  |  | 523
Construction And Land Development Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 1,582 | 1,623 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 1,582 | 1,623 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 88 | 129 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 | 4 | 3
Financing Receivable, Modification, Pre-Modification Recorded Investment | 390 | 5,419 | 4,925
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 387 | 4,305 | 4,894
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1 | 1 |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | 1,197 | 2,386 |
Commercial Real Estate Owner Occupied Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 875 | 899 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 285 | 1,045 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 1,160 | 1,944 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 110 | 134 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 | 4 | 5
Financing Receivable, Modification, Pre-Modification Recorded Investment | 882 | 3,167 | 3,127
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 882 | 2,225 | 2,840
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts |  |  | 2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment |  |  | 1,172
Commercial Real Estate Other Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 602 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 429 | 432 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 1,031 | 432 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 62 | 0 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 2 | 2 | 1
Financing Receivable, Modification, Pre-Modification Recorded Investment | 1,037 | 1,803 | 1,229
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 1,041 | 1,657 | 1,229
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1 |  | 1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | 425 |  | 1,201
Commercial Real Estate Loans, Total [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 1,477 | 899 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 714 | 1,477 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 2,191 | 2,376 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 172 | 134 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 3 | 6 | 6
Financing Receivable, Modification, Pre-Modification Recorded Investment | 1,919 | 4,970 | 4,356
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 1,923 | 3,882 | 4,069
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1 |  | 3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | 425 |  | 2,373
Residential Real Estate Consumer Mortgage Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 754 | 819 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 754 | 819 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 3 | 2 |
Financing Receivable, Modification, Pre-Modification Recorded Investment | 849 | 863 |
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 844 | 858 |
Residential Real Estate Investment Property Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 172 | 188 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 172 | 188 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 | 2 | 1
Financing Receivable, Modification, Pre-Modification Recorded Investment | 172 | 567 | 391
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 172 | 563 | 391
Residential Real Estate Loans, Total [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 926 | 1,007 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 926 | 1,007 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 4 | 4 | 1
Financing Receivable, Modification, Pre-Modification Recorded Investment | 1,021 | 1,430 | 391
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 1,016 | 1,421 | 391
Consumer Installment and Revolving Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 0 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 0 | 0 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 0 | 0 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 0 | 0 |
Trouble Debt Restructurings Total [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing | 1,601 | 1,068 |
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual | 3,222 | 4,107 |
Impaired Financing Receivable, Trouble Debt Structuring, Total | 4,823 | 5,175 |
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses | 260 | 263 |
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 8 | 14 | 12
Financing Receivable, Modification, Pre-Modification Recorded Investment | 3,330 | 11,819 | 10,463
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 3,326 | 9,608 | 9,877
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 2 | 1 | 3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 1,622 | $ 2,386 | $ 2,373

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