XML 62 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Schedule of Estimated Future Intangible Amortization Expense (Detail)
$ in Thousands
Dec. 31, 2017
USD ($)
Finite Lived Intangible Assets Future Amortization Expense [Abstract]  
2018 $ 3,947
2019 3,947
2020 3,947
2021 3,947
2022 3,947
Thereafter 28,620
Total $ 48,355