Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Leases [Abstract]
Operating lease expense	$ 21,919	$ 20,404	$ 19,810
Short-term lease cost	698	746	550
Variable lease cost	9,319	10,536	10,653
Total operating lease expense	31,936	31,686	31,013
Finance lease cost:
Amortization of right-of-use assets	0	0	46
Interest on lease liabilities	$ 0	$ 0	$ 0