Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Goodwill and Identified Intangible Assets - Identified Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount $ 405,894 $ 405,746
Accumulated Amortization (179,327) (165,546)
Finite-lived intangible assets, net 226,567 240,200
Total intangible assets, carrying amount 418,031 417,883
Total identified intangible assets, net 238,704 252,337
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets 12,137 12,137
Developed technologies    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 164,847 164,639
Accumulated Amortization (82,267) (76,576)
Finite-lived intangible assets, net 82,580 88,063
Client relationships    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 213,718 213,728
Accumulated Amortization (84,756) (78,390)
Finite-lived intangible assets, net 128,962 135,338
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 17,506 17,556
Accumulated Amortization (5,852) (4,325)
Finite-lived intangible assets, net 11,654 13,231
Non-compete agreements    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount 4,173 4,173
Accumulated Amortization (802) (605)
Finite-lived intangible assets, net $ 3,371 $ 3,568