Quarterly report pursuant to Section 13 or 15(d)

Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail)

v3.8.0.1
Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Finite Lived Intangible Assets Net [Abstract]    
For the nine months ended December 31, 2018 $ 4,104  
For the twelve months ended December 31, 2019 5,267  
For the twelve months ended December 31, 2020 5,535  
For the twelve months ended December 31, 2021 3,685  
For the twelve months ended December 31, 2022 3,280  
Thereafter 13,535  
Total $ 35,406 $ 37,026