Interest Income and Other Income (Expense), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Other Income and Expenses [Abstract]
Interest income	$ 15,810	$ 19,849	$ 21,128
Unrealized gains (losses) on foreign currency transactions	(1,343)	618	(164)
Other non-operating income (expense)	1,845	(820)	(340)
Total interest income and other income (expense), net	$ 16,312	$ 19,647	$ 20,624