XML 47 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Goodwill and Intangible Assets - Schedule of Estimated Future Amortization Expense (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
2018 (remaining six months) $ 1,213  
2019 2,426  
2020 1,761  
2021 1,469  
2022 1,035  
Thereafter 43  
Net $ 7,947 $ 2,297