Summary of Significant Accounting Policies - Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 386,357	$ 274,126
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	212,727	155,780
Romania
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	74,994	66,558
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	47,370	115
Netherlands
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	29,800	35,132
Rest of world
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 21,466	$ 16,541