Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Estimated Amortization Expense) (Detail)

v3.8.0.1
Intangible Assets (Estimated Amortization Expense) (Detail)
$ in Thousands
Dec. 31, 2017
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2018 $ 20,462
2019 16,987
2020 15,400
2021 10,687
2022 7,798
Thereafter 32,277
Estimated amortization expense $ 103,611