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Intangible Assets (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Intangible Assets, Amortization Expense, Fiscal Year Maturity [Abstract]  
2013 $ 1,407
2014 1,407
2015 1,386
2016 834
2017 612
Thereafter 1,123
Total $ 6,769