Annual report pursuant to Section 13 and 15(d)

Intangible Assets, net - Amortization Expense (Details)

v3.19.1
Intangible Assets, net - Amortization Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]                      
2019 $ 28,647               $ 28,647    
2020 22,263               22,263    
2021 13,824               13,824    
2022 7,907               7,907    
2023 6,890               6,890    
Thereafter 4,605               4,605    
Net Carrying Amount 84,136       $ 122,582       84,136 $ 122,582  
Amortization of intangible assets $ 7,889 $ 9,447 $ 10,357 $ 10,747 $ 11,106 $ 10,981 $ 10,860 $ 11,008 $ 38,440 $ 43,955 $ 35,648