v3.23.1

Fair value measurements - Schedule of assets and liabilities measured at fair value (Details) - Fair value, recurring - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market mutual funds	$ 163,563	$ 197,601
Total assets	163,563	197,601
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market mutual funds	163,563	197,601
Total assets	163,563	197,601
Significant Other Observable Inputs (Level 2)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market mutual funds	0	0
Total assets	0	0
Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market mutual funds	0	0
Total assets	$ 0	$ 0

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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