Commitments and Contingencies - Future Minimum Rental Payments Required under Operating Leases that have Initial or Remaining Non-Cancelable Lease Terms in Excess of One Year (Detail) $ in Thousands |
Mar. 31, 2017
USD ($)
|
|---|---|
| Commitments And Contingencies Disclosure [Abstract] | |
| Fiscal year ended March 31, 2018 | $ 1,596 |
| Fiscal year ended March 31, 2019 | 1,464 |
| Fiscal year ended March 31, 2020 | 1,072 |
| Fiscal year ended March 31, 2021 | 1,104 |
| Fiscal year ended March 31, 2022 | 468 |
| Thereafter | 0 |
| Total | $ 5,704 |