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Debt - Summary of Future Principal Payments (Detail) $ in Thousands	Jan. 31, 2021 USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]
2022	$ 11,667
2023	17,500
2024	5,833
Total payments	$ 35,000

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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