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Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2013 | Mar. 31, 2014 | Dec. 31, 2013
Commercial and Industrial Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing |  | $ 112 | $ 124
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual |  | 0 | 0
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 112 | 124
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 0 | 0
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 |  | 1,371 | 1,582
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 1,371 | 1,582
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 0 | 88
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | 1,197 |  |
Commercial Real Estate Owner Occupied Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing |  | 868 | 875
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual |  | 281 | 285
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 1,149 | 1,160
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 124 | 110
Commercial Real Estate Other Loans [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing |  | 595 | 602
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual |  | 429 | 429
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 1,024 | 1,031
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 55 | 62
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 |  |
Financing Receivable, Modification, Pre-Modification Recorded Investment | 431 |  |
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 431 |  |
Commercial Real Estate Loans, Total [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing |  | 1,463 | 1,477
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual |  | 710 | 714
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 2,173 | 2,191
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 179 | 172
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 |  |
Financing Receivable, Modification, Pre-Modification Recorded Investment | 431 |  |
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 431 |  |
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 |  | 736 | 754
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 736 | 754
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 0 | 0
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 |  |
Financing Receivable, Modification, Pre-Modification Recorded Investment | 131 |  |
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 131 |  |
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 |  | 168 | 172
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 168 | 172
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 0 | 0
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 |  | 904 | 926
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 904 | 926
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 0 | 0
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 1 |  |
Financing Receivable, Modification, Pre-Modification Recorded Investment | 131 |  |
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 131 |  |
Trouble Debt Restructurings Total [Member] |  |  |
Impaired Financing Receivable And Troubled Debt Restructing [Line Items] |  |  |
Impaired Financing Receivable, Troubled Debt Restructuring, Still Accruing |  | 1,575 | 1,601
Impaired Financing Receivable, Troubled Debt Restructuring, Nonaccrual |  | 2,985 | 3,222
Impaired Financing Receivable, Trouble Debt Structuring, Total |  | 4,560 | 4,823
Impaired Financing Receivable, Troubled Debt Restructuring, Allowance for Credit Losses |  | 179 | 260
Financing Receivable, Modifications [Line Items] |  |  |
Financing Receivable, Modification, Number of Contracts | 2 |  |
Financing Receivable, Modification, Pre-Modification Recorded Investment | 562 |  |
Financing Receivable, Modifications, Post-Modifications Recorded Investment | 562 |  |
Financing Receivable, Modifications, Subsequent Default [Line Items] |  |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 1 |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 1,197 |  |

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