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Debt - Schedule of Net Carrying Amounts of Liability Component of Notes (Details) - 0.00% Convertible Senior Notes Due January 15, 2026 - Convertible Senior Notes - USD ($)
Jul. 31, 2022
Jan. 31, 2022
Jan. 31, 2021
Debt Instrument [Line Items]      
Debt instrument, principal amount $ 345,000,000 $ 345,000,000 $ 345,000,000.0
Unamortized issuance costs (6,594,000) (7,537,000)  
Net carrying amount $ 338,406,000 $ 337,463,000