XML 59 R48.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible Assets Estimated Future Annual Amortization Expense (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
2017 (amount remaining at September 30, 2017) $ 5,605  
2018 19,065  
2019 16,302  
2020 14,003  
2021 11,995  
Beyond 2021 32,609  
Total intangible assets subject to amortization $ 99,579 $ 72,151