Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Estimated Future Amortization Expense (Detail)

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Intangible Assets - Estimated Future Amortization Expense (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
2018 $ 2,076  
2019 1,009  
2020 143  
2021 114  
2022 114  
Thereafter 519  
Net $ 3,975 $ 4,565