Goodwill and Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 7,033	$ 814
Cost of subscription revenues
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	4,262	396
Sales and marketing
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 2,771	$ 418