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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Income Taxes [Line Items]    
Amounts of tax benefits that would affect effective tax rate if recognized $ 983 $ 861
Income tax accrued interest 67 41
Unrecognized tax benefits 1,379 1,208
Statute of limitations $ 251