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Estimated Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
2017 $ 11,042  
2018 8,987  
2019 6,774  
2020 4,649  
2021 4,057  
Thereafter 13,207  
Amortizable intangible assets, net carrying amount 48,716 $ 53,242
Cost of Revenue    
Finite-Lived Intangible Assets [Line Items]    
2017 3,658  
2018 2,274  
2019 2,083  
2020 1,931  
2021 1,767  
Thereafter 5,127  
Amortizable intangible assets, net carrying amount 16,840  
Operating Expenses    
Finite-Lived Intangible Assets [Line Items]    
2017 7,384  
2018 6,713  
2019 4,691  
2020 2,718  
2021 2,290  
Thereafter 8,080  
Amortizable intangible assets, net carrying amount $ 31,876