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Intangible Assets - Summary of Estimated Amortization Expense (Detail)
$ in Thousands
Jul. 31, 2021
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
Remaining 2022 $ 805
2023 1,641
2024 1,702
2025 1,010
2026 $ 1,010