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Intangible Assets - Amortization Expense (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Jun. 30, 2018
Finite Lived Intangible Assets Future Amortization Expense [Abstract]    
2019 (remaining three months) $ 1,519  
2020 6,081  
2021 4,761  
2022 3,678  
2023 3,446  
Thereafter 7,947  
Net Carrying Amount $ 27,432 $ 8,573