Acquisitions - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	May 03, 2022	Jan. 31, 2023	Jan. 31, 2022
Business Acquisition [Line Items]
Total		$ 164,466	$ 87,889
Restricted cash, non-current		3,201	2,747
General and administrative
Business Acquisition [Line Items]
Total		62,487	$ 33,453
Attivo
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Total	$ 32,900
Assumed options from Attivo acquisition (in shares)	378,828
Assumed options from Attivo acquisition, fair value	$ 11,500
Business combination, compensation related costs	11,400
Restricted cash, non-current	$ 61,000
Release term for Holdback Shares and cash	15 months
Business combination, acquisition related costs		5,500
Revenue of acquiree since acquisition date		30,200
Net income of acquiree since acquisition date		36,400
Attivo | General and administrative
Business Acquisition [Line Items]
Business combination, acquisition related costs		3,200
Attivo | Restricted common stock
Business Acquisition [Line Items]
Total		$ 1,000
Restricted common stock acquired (in shares)	307,396
Restricted common stock acquired, fair value	$ 10,000