Investments in Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jan. 31, 2026
Gain (Loss) on Securities [Line Items]
Amortized Cost	$ 29,165	$ 96,007
Unrealized Gains	0	0
Unrealized Losses	0	(9)
Fair Value	29,165	95,998
Commercial paper
Gain (Loss) on Securities [Line Items]
Amortized Cost		29,904
Unrealized Gains		0
Unrealized Losses		(9)
Fair Value		29,895
U.S. treasury securities
Gain (Loss) on Securities [Line Items]
Amortized Cost		29,876
Unrealized Gains		0
Unrealized Losses		0
Fair Value		29,876
Money market funds
Gain (Loss) on Securities [Line Items]
Amortized Cost	29,165	36,227
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	$ 29,165	$ 36,227