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Intangible Assets (5 year Future Amortization ) (Details)
$ in Thousands
Jun. 30, 2015
USD ($)
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]  
2015 $ 10,221
2016 8,336
2017 6,035
2018 4,200
2019 $ 3,191