Revenue and Performance Obligations - Changes in Deferred Revenue and Unbilled Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Contract With Customer, Change In Contract With Customer, Asset, And Liability [Roll Forward]
Balance, beginning of period	$ 223,289	$ 147,297	$ 100,386
Deferred revenue billings including reclassification to deferred revenue from customer deposits	552,799	395,153	257,544
Recognition of revenue, net of change in unbilled accounts receivable*	(473,844)	(319,161)	(210,633)
Balance, end of period	302,244	223,289	147,297
Revenue billed as of the end of the period	473,844	319,161	210,633
Increase in total unbilled accounts receivable	2,045	1,608	1,221
Revenue Reported per Consolidated Statements of Operations	$ 475,889	$ 320,769	$ 211,854