Goodwill and Acquired Intangible Assets - Schedule of Other Intangible Assets Subject to Amortization (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Jan. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Cost	$ 49,600		$ 27,800
Accumulated Amortization	(6,508)		(4,667)
Net	43,092		23,133
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	24,400		21,800
Accumulated Amortization	(3,489)		(2,907)
Net	$ 20,911		18,893
Weighted Average Remaining Useful Life	8 years 4 months 24 days	8 years 8 months 12 days
Developed technology
Finite-Lived Intangible Assets [Line Items]
Cost	$ 24,800		5,600
Accumulated Amortization	(2,702)		(1,493)
Net	$ 22,098		4,107
Weighted Average Remaining Useful Life	3 years 4 months 24 days	3 years 8 months 12 days
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	$ 400		400
Accumulated Amortization	(317)		(267)
Net	$ 83		$ 133
Weighted Average Remaining Useful Life	4 months 24 days	8 months 12 days