XML 69 R55.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible Assets - Summary of Future Amortization of Intangible Assets (Detail)
$ in Thousands
Dec. 31, 2017
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2018 $ 1,912
2019 1,671
2020 1,531
2021 1,461
2022 1,453
Thereafter 1,863
Total $ 9,891