Summary of Significant Accounting Policies - Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
Accounting Policies [Abstract]
Total long-lived assets	$ 274,126	$ 132,031
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	274,126	132,031
United States
Accounting Policies [Abstract]
Total long-lived assets	155,780	51,817
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	155,780	51,817
Romania
Accounting Policies [Abstract]
Total long-lived assets	66,558	30,625
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	66,558	30,625
Netherlands
Accounting Policies [Abstract]
Total long-lived assets	35,132	36,829
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	35,132	36,829
Rest of world
Accounting Policies [Abstract]
Total long-lived assets	16,656	12,760
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 16,656	$ 12,760