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Parent Corporation Only Financial Statements (Schedule of Condensed Income Statement) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividend income from subsidiaries |  |  |  |  |  |  |  |  | $ 523 | $ 567 | $ 629
Net Income | 4,984 | 5,094 | 4,923 | 4,924 | 4,469 | 4,454 | 4,353 | 4,231 | 19,925 | 17,507 | 13,926
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividend income from subsidiaries |  |  |  |  |  |  |  |  | 4,393 | 2,079 | 785
Other income |  |  |  |  |  |  |  |  | 6 | 15 | 7
Net gains on available for sale securities |  |  |  |  |  |  |  |  | 22 | 26 | 0
Management fees |  |  |  |  |  |  |  |  | 353 | 409 | 294
Total Income |  |  |  |  |  |  |  |  | 4,774 | 2,529 | 1,086
Expenses |  |  |  |  |  |  |  |  | (765) | (731) | (615)
Income before equity in undistributed earnings of subsidiariesof subsidiaries |  |  |  |  |  |  |  |  | 4,009 | 1,798 | 471
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 15,916 | 15,709 | 13,455
Net Income |  |  |  |  |  |  |  |  | $ 19,925 | $ 17,507 | $ 13,926

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