Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024	Jan. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 82,838		$ 82,838		$ 73,943
Less accumulated depreciation and amortization	(53,570)		(53,570)		(45,318)
Property and equipment, net	29,268		29,268		28,625
Depreciation, excluding exchange rate effect	2,500	$ 2,000	6,800	$ 6,600
Software development costs capitalized	2,800	3,100	8,800	7,800
Capitalized software development costs amortized	2,100	$ 1,600	5,400	$ 5,400
Capitalized internal-use software development costs
Property, Plant and Equipment [Line Items]
Property and equipment, gross	73,870		73,870		65,225
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,275		2,275		2,069
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,911		4,911		4,904
Furniture, vehicles and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,782		$ 1,782		$ 1,745