Cash Equivalents and Short-Term Investments - Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025
Debt Securities, Available-for-Sale, Unrealized Loss Position
Short-term investments, less than 12 months, unrealized Losses	$ (37)	$ (41)
Short-term investments, less than 12 months, fair value	61,737	35,329
Short-term investments,12 months or greater, unrealized Losses	0	0
Short-term investments, 12 months or greater, fair value	0	0
Short-term investments, unrealized Losses	(37)	(41)
Short-term investments, fair value	61,737	35,329
U.S. government treasury securities
Debt Securities, Available-for-Sale, Unrealized Loss Position
Short-term investments, less than 12 months, unrealized Losses	(25)	(29)
Short-term investments, less than 12 months, fair value	43,351	22,752
Short-term investments,12 months or greater, unrealized Losses	0	0
Short-term investments, 12 months or greater, fair value	0	0
Short-term investments, unrealized Losses	(25)	(29)
Short-term investments, fair value	43,351	22,752
Corporate debt securities
Debt Securities, Available-for-Sale, Unrealized Loss Position
Short-term investments, less than 12 months, unrealized Losses	(12)	(12)
Short-term investments, less than 12 months, fair value	18,386	12,577
Short-term investments,12 months or greater, unrealized Losses	0	0
Short-term investments, 12 months or greater, fair value	0	0
Short-term investments, unrealized Losses	(12)	(12)
Short-term investments, fair value	$ 18,386	$ 12,577

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.

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