Revenue and Contract Balances - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Unbilled receivables, current	$ 5,500	$ 3,800
Contract with customer, liability	572,100	514,500
Contract with customer, liability, revenue recognized	402,200	305,700	$ 195,900
Capitalized contract cost, impairment loss	150,100	125,800
Amortization of deferred contract acquisition costs	$ 66,640	$ 48,682	$ 36,417
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