Equity-based compensation - Schedule of Stock-Based Compensation in Financial Statements (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	$ 17,188	$ 17,475
Less: stock-based compensation expense capitalized as internal-use software	(348)	(337)
Stock-based compensation expense per consolidated statements of operations	16,840	17,138
Stock-based compensation expense recorded to additional paid-in capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	14,491	14,950
Stock-based compensation expense recorded to accrued expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	$ 2,697	$ 2,525