Summary of Significant Accounting Policies - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 5,584	$ 2,000	$ 2,000
Additions Charged To Expense	6,353	3,835	121
Write-offs	(1,937)	(251)	(121)
Ending Balance	$ 10,000	$ 5,584	$ 2,000