XML 63 R50.htm IDEA: XBRL DOCUMENT v3.6.0.2
Amortization Expense for Amortized Intangible Assets (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Finite-Lived Intangible Assets [Line Items]  
Amortization Expense, December 31, 2017 $ 2,845
Amortization Expense, December 31, 2018 2,657
Amortization Expense, December 31, 2019 2,624
Amortization Expense, December 31, 2020 2,311
Amortization Expense, December 31, 2021 $ 2,022