Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Intangibles) (Details)

v3.6.0.2
Goodwill and Intangible Assets (Intangibles) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Components of intangible assets      
Gross Carrying Amount $ 353,267 $ 339,028  
Accumulated Amortization (87,709) (46,353)  
Net Carrying Amount 265,558 292,675  
Write-off of fully amortized intangible assets 4,159    
Amortization expense 45,515 17,636 $ 10,642
Customer lists      
Components of intangible assets      
Gross Carrying Amount 259,490 257,410  
Accumulated Amortization (54,861) (33,668)  
Net Carrying Amount $ 204,629 223,742  
Customer lists | Minimum      
Components of intangible assets      
Estimated Useful Life 4 years    
Customer lists | Maximum      
Components of intangible assets      
Estimated Useful Life 15 years    
Backlog      
Components of intangible assets      
Estimated Useful Life 4 years    
Gross Carrying Amount $ 11,000 11,000  
Accumulated Amortization (6,456) (703)  
Net Carrying Amount 4,544 10,297  
Proprietary technology      
Components of intangible assets      
Gross Carrying Amount 57,770 53,928  
Accumulated Amortization (20,214) (9,833)  
Net Carrying Amount $ 37,556 44,095  
Proprietary technology | Minimum      
Components of intangible assets      
Estimated Useful Life 2 years    
Proprietary technology | Maximum      
Components of intangible assets      
Estimated Useful Life 8 years    
Trade names and domains      
Components of intangible assets      
Gross Carrying Amount $ 25,007 16,690  
Accumulated Amortization (6,178) (2,149)  
Net Carrying Amount $ 18,829 $ 14,541  
Trade names and domains | Minimum      
Components of intangible assets      
Estimated Useful Life 2 years    
Trade names and domains | Maximum      
Components of intangible assets      
Estimated Useful Life 7 years