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Goodwill and Intangible Assets, Net Goodwill and Intangible Assets, Indefinite-lived intangibles - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Indefinite-lived Intangible Assets [Line Items]          
Amortization of intangibles $ 1,500 $ 1,500 $ 3,096 $ 3,700  
In-Process Research and Development and Trade Name          
Indefinite-lived Intangible Assets [Line Items]          
Indefinite-lived intangible assets $ 2,200 $ 2,300 $ 2,200 $ 2,300 $ 2,100