Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Income Tax Disclosure [Line Items]
Provision for income taxes	$ 10,296	$ 4,483	$ 15,246	$ 9,126
UK
Income Tax Disclosure [Line Items]
Open tax year			2022