Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Identified Intangible Assets - Identified Intangible Assets (Details)

v3.10.0.1
Goodwill and Identified Intangible Assets - Identified Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount $ 458,841 $ 405,747
Accumulated Amortization (193,990) (165,547)
Finite-lived intangible assets, net 264,851 240,200
Total intangible assets, carrying amount 470,973 417,884
Total identified intangible assets, net 276,983 252,337
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets 12,132 12,137
Developed technologies    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 194,194 164,640
Accumulated Amortization (88,434) (76,577)
Finite-lived intangible assets, net 105,760 88,063
Client relationships    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 234,418 213,728
Accumulated Amortization (91,120) (78,390)
Finite-lived intangible assets, net 143,298 135,338
Vendor relationships    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 5,650 5,650
Accumulated Amortization (5,650) (5,650)
Finite-lived intangible assets, net 0 0
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 20,406 17,556
Accumulated Amortization (7,786) (4,325)
Finite-lived intangible assets, net 12,620 13,231
Non-compete agreements    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 4,173 4,173
Accumulated Amortization (1,000) (605)
Finite-lived intangible assets, net $ 3,173 $ 3,568