Common Stock and Stockholders' Equity (Deficit) - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	$ 46,259	$ 1,726
Capitalized stock-based compensation	882
Total stock-based compensation expense	47,141	1,726
Cost Of Revenue [Member] | Support
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	1,959	106
Cost Of Revenue [Member] | Cloud Hosted Services
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	640	3
Cost Of Revenue [Member] | Professional Services
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	728	12
Sales And Marketing [Member]
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	14,393	692
Research And Development [Member]
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	14,738	423
General And Administrative [Member]
Stock-based compensation expense:
Stock-based compensation expense, net of amounts capitalized	$ 13,801	$ 490