Cash, Cash Equivalents and Short-Term Investments - Schedule of Cash and Short Term Investments (Details) $ in Thousands	Jan. 31, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 646,104
Gross Unrealized Gains	53
Gross Unrealized Losses	(4,908)
Fair Value	641,249
Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	295,402
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	295,402
Cash \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	232,332
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	232,332
Money market funds \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	60,073
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	60,073
U.S. Agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	74,158
Gross Unrealized Gains	2
Gross Unrealized Losses	(435)
Fair Value	73,725
U.S. Agency securities \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,997
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	2,997
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	88,703
Gross Unrealized Gains	18
Gross Unrealized Losses	(112)
Fair Value	88,609
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	95,805
Gross Unrealized Gains	33
Gross Unrealized Losses	(572)
Fair Value	95,266
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,989
Gross Unrealized Gains	0
Gross Unrealized Losses	(19)
Fair Value	1,970
Foreign government bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,211
Gross Unrealized Gains	0
Gross Unrealized Losses	(41)
Fair Value	2,170
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	383,238
Gross Unrealized Gains	0
Gross Unrealized Losses	(3,729)
Fair Value	$ 379,509

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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-Paragraph 2
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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