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Income Taxes Schedule of Effective Income Tax Rate Reconciliation (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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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
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |
Income before income tax expense | $ 5,821 | $ 5,567 | $ 4,823 | $ 4,924 | $ 3,837 | $ 4,063 | $ 2,336 | $ 3,440 | $ 21,135 | $ 13,676
Income tax reconciliation, tax expense at statutory federal rate of 34% applied to income before income tax expense |  |  |  |  |  |  |  |  | 7,275 | 4,650
Income tax reconciliation, state income tax, net of federal effect |  |  |  |  |  |  |  |  | 906 | 647
Income tax reconciliation, tax exempt income tax-exempt security and loan income, net of TEFRA adjustments |  |  |  |  |  |  |  |  | (682) | (431)
Income tax reconciliation, change in valuation allowance |  |  |  |  |  |  |  |  | 59 | (3)
Income tax reconciliation, tax exempt income bank-owned life insurance |  |  |  |  |  |  |  |  | (291) | (239)
Income tax reconciliation, other adjustments |  |  |  |  |  |  |  |  | 122 | 126
Total income tax expense | $ 2,061 | $ 1,958 | $ 1,690 | $ 1,680 | $ 1,308 | $ 1,441 | $ 771 | $ 1,230 | $ 7,389 | $ 4,750
Effective tax rate |  |  |  |  |  |  |  |  | 34.96% | 34.73%

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