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Goodwill and Intangible Assets - Future Amortization Expense for Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 36,100 $ 6,900 $ 4,600
2017 25,173    
2018 22,840    
2019 17,402    
2020 16,255    
2021 14,854    
Thereafter (including IPR&D) 93,759    
Total intangibles assets, net carrying amount $ 190,283 $ 89,665