Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders Equity (Deficit) - USD ($) $ in Thousands	Common stock	Additional paid-in capital	Accumulated deficit	Total
Balance at Feb. 28, 2021	$ 6	$ 762,362	$ (371,520)	$ 390,848
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in connection with acquisition		116,187		116,187
Issuance of common stock in connection with acquisition (shares)	2,822,242
Issuance of replacement awards in connection with acquisition		1,520		1,520
Exercise of stock options and vesting of restricted stock units		2,141		2,141
Exercise of stock options and vesting of restricted stock units (shares)	236,982
Purchase of capped calls		(34,503)		(34,503)
Issuance of common stock in connection with the employee stock purchase plan		1,948		1,948
Issuance of common stock in connection with the employee stock purchase plan (shares)	50,516
Stock-based compensation expense		7,675		7,675
Net loss			(48,707)	(48,707)
Balance at May. 31, 2021	$ 6	857,330	(420,227)	437,109
Balance (shares) at May. 31, 2021	58,808,792
Balance (shares) at Feb. 28, 2021	55,699,052
Balance at Feb. 28, 2022	$ 7	1,350,431	(494,644)	855,794
Balance (shares) at Feb. 28, 2022	67,098,477
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in connection with acquisition (shares)	1,939,853
Exercise of stock options and vesting of restricted stock units		358		358
Exercise of stock options and vesting of restricted stock units (shares)	228,701
Issuance of common stock in connection with the employee stock purchase plan		1,788		1,788
Issuance of common stock in connection with the employee stock purchase plan (shares)	343,310
Stock-based compensation expense		19,389		19,389
Net loss			(342,822)	(342,822)
Balance at May. 31, 2022	$ 7	$ 1,371,966	$ (837,466)	$ 534,507
Balance (shares) at May. 31, 2022	69,610,341