Restructuring Provision - Summary of Rollforward of Provision Related Corporate Initiatives, Including Provision Associated with Restructuring Plan (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2021	Jan. 31, 2022
Restructuring Cost And Reserve [Line Items]
Accrued payroll and benefits	$ 18,047	$ 25,117
Write-off related to non-refundable deposits	$ 1,500
Severance and Employee Related
Restructuring Cost And Reserve [Line Items]
Accrued payroll and benefits		$ 200

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_EmployeeRelatedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant