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Marketable Securities - Continuous Loss Position (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jan. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Estimated Fair Value	$ 120,164	$ 129,796
Gross Unrealized Losses	(429)	(865)
Total marketable securities
Debt Securities, Available-for-sale [Line Items]
Estimated Fair Value	106,926	99,613
Gross Unrealized Losses	(401)	(741)
Foreign securities
Debt Securities, Available-for-sale [Line Items]
Estimated Fair Value	1,333	1,325
Gross Unrealized Losses	(3)	(11)
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Estimated Fair Value	11,905	28,858
Gross Unrealized Losses	$ (25)	$ (113)

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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