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Income Taxes (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
Schedule of provision for income taxes                    
Taxes currently payable                 $ 512 $ 71
Deferred provision                 1,731 1,858
Income tax expense $ 522 $ 578 $ 571 $ 572 $ 667 $ 513 $ 391 $ 358 $ 2,243 $ 1,929