Summary of Significant Accounting Policies - Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 372,846	$ 386,357
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	189,227	212,727
Romania
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	81,740	74,994
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	45,445	47,370
Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	27,004	29,800
Rest of world
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 29,430	$ 21,466