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Goodwill and Other Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2015 $ 244us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
2016 216us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
2017 134us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
2018 134us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
2019 134us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
2020 and thereafter 85us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive    
Total future amortization expense $ 947us-gaap_FiniteLivedIntangibleAssetsNet $ 1,213us-gaap_FiniteLivedIntangibleAssetsNet $ 1,589us-gaap_FiniteLivedIntangibleAssetsNet