Basis of Presentation - Additional Information (Details)	Jan. 31, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Change in Accounting Principle, Accounting Standards Update, Adopted [true/false]	true
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201912Member
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true/false]	true