Stock-Based Compensation - Restricted Common Stock Narrative (Details) - USD ($) $ in Thousands			12 Months Ended
	May 03, 2022	Feb. 06, 2021	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 216,870	$ 164,466
Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 32,900
Restricted common stock | Scalyr
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		1,315,099
Award vesting period		2 years
Share-based payment arrangement, expense			200	8,500	$ 10,900
Restricted common stock | Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense			700	$ 1,000
Cost not yet recognized amount			$ 300