Equity - Share-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2022	Apr. 30, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	$ 172,493	$ 151,014
Capitalized stock-based compensation	6,495	6,299
Total stock-based compensation	178,988	157,313
Cost of revenue
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	22,635	23,103
Sales and marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	52,469	46,053
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	73,593	55,819
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation, net of amounts capitalized	$ 23,796	$ 26,039

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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