Summary of Significant Accounting Policies - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021	Jan. 31, 2022
Accounting Policies [Abstract]
Deferred revenue	$ 175,218		$ 175,218		$ 146,808
Deferred revenue recognized	$ 13,275	$ 9,200	$ 50,993	$ 31,800