XML 56 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Acquired Intangibles (Details 3) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Estimated amortization expense    
2017 – remaining period $ 13,619  
2018 52,193  
2019 45,183  
2020 39,975  
2021 35,484  
Thereafter 29,723  
Acquired intangibles, net $ 216,177 $ 258,814