XML 67 R56.htm IDEA: XBRL DOCUMENT v3.19.2
Other Intangible Assets - Summary of Amortization Expense (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule    
2016 $ 3,377  
2017 6,624  
2018 6,467  
2019 6,230  
2020 4,224  
Thereafter 29,883  
Total amortization expense $ 56,805 $ 60,180