Acquisition, Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 31, 2022	Jan. 31, 2022
Finite-Lived Intangible Assets
Gross Fair Value	$ 292,300	$ 383,504
Accumulated Amortization	(155,628)	(218,735)
Total	136,672	164,769
Developed technology
Finite-Lived Intangible Assets
Gross Fair Value	197,400	283,400
Accumulated Amortization	(96,142)	(164,529)
Total	$ 101,258	$ 118,871
Acquired intangible assets, remaining useful life	41 months	46 months
Customer relationships
Finite-Lived Intangible Assets
Gross Fair Value	$ 90,900	$ 92,710
Accumulated Amortization	(55,707)	(47,701)
Total	$ 35,193	$ 45,009
Acquired intangible assets, remaining useful life	24 months	29 months
Other acquired intangible assets
Finite-Lived Intangible Assets
Gross Fair Value	$ 4,000	$ 7,394
Accumulated Amortization	(3,779)	(6,505)
Total	$ 221	$ 889
Acquired intangible assets, remaining useful life	2 months	8 months