Stock-Based Compensation - Restricted Common Stock Narrative (Details) - USD ($)		1 Months Ended	3 Months Ended		6 Months Ended
	May 03, 2022	Feb. 28, 2021	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 52,846,000	$ 41,001,000	$ 72,631,000	$ 108,395,000
Restricted common stock | Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	63,327
Share-based payment arrangement, expense			100,000	300,000	400,000	300,000
Cost not yet recognized amount			600,000		600,000
Restricted common stock | Scalyr
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		1,315,099
Share-based payment arrangement, expense			$ 0	$ 2,100,000	$ 200,000	$ 4,200,000