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Intangible Assets - Summary of Estimated Amortization Expense (Detail)
$ in Thousands
Jan. 31, 2020
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2021 $ 4,069
2022 3,972
2023 3,966
2024 3,969
2025 $ 3,394