Revenue and Contract Balances - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenue [Line Items]
Unbilled receivables, current	$ 1,500	$ 1,500
Contract with customer, liability	406,300	262,000
Contract with customer, liability, revenue recognized	195,900	95,500	$ 53,800
Capitalized contract cost, impairment loss	93,400	68,600
Amortization of deferred contract acquisition costs	$ 36,417	$ 21,670	$ 11,518
Minimum
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, contract term	1 year
Maximum
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, contract term	3 years