Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Common stock, shares outstanding, beginning balance (in shares) at Jan. 31, 2022		334,760,615
Beginning balance at Jan. 31, 2022	$ 547,014	$ 33	$ 1,366,855	$ (8,219)	$ (811,655)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax withholding (in shares)		1,631,104
Issuance of common stock under stock plans, net of tax withholding	773	$ 1	772
Issuance of common stock upon exercise of warrants (in shares)		16,948
Issuance of common stock upon exercise of warrants	48		48
Issuance of common stock upon ESPP purchase (in shares)		263,962
Issuance of common stock upon ESPP purchase	3,920		3,920
Vesting of early exercised stock options	17		17
Stock-based compensation	15,527		15,527
Net loss	(89,266)				(89,266)
Other comprehensive income (loss)	(12,941)			(12,941)
Common stock, shares outstanding, ending balance (in shares) at Apr. 30, 2022		336,672,629
Ending balance at Apr. 30, 2022	$ 465,092	$ 34	1,387,139	(21,160)	(900,921)
Common stock, shares outstanding, beginning balance (in shares) at Jan. 31, 2023	348,330,481	348,330,481
Beginning balance at Jan. 31, 2023	$ 354,992	$ 35	1,528,104	(16,384)	(1,156,763)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock plans, net of tax withholding (in shares)		2,278,764
Issuance of common stock under stock plans, net of tax withholding	915		915
Issuance of common stock upon ESPP purchase (in shares)		562,829
Issuance of common stock upon ESPP purchase	4,875		4,875
Issuance of common stock in connection with ATM offerings, net of issuance costs (in shares)		1,909,028
Issuance of common stock in connection with ATM offerings, net of issuance costs	17,516		17,516
Vesting of early exercised stock options	14		14
Stock-based compensation	23,964		23,964
Net loss	(79,388)				(79,388)
Other comprehensive income (loss)	$ 4,591			4,591
Common stock, shares outstanding, ending balance (in shares) at Apr. 30, 2023	353,081,102	353,081,102
Ending balance at Apr. 30, 2023	$ 327,479	$ 35	$ 1,575,388	$ (11,793)	$ (1,236,151)