Net Loss Per Share Attributable to Common Stockholders - Schedule of Basic And Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net loss attributable to common stockholders	$ (75,270)	$ (104,624)	$ (66,065)	$ (89,532)	$ (179,894)	$ (155,597)
Denominator:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	474,858,266		449,899,537		468,592,009	448,211,708
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	474,858,266		449,899,537		468,592,009	448,211,708
Net loss per share of Class A and Class B common stock attributable to common stockholders:
Net loss per share attributable to common stockholders, basic	$ (0.16)		$ (0.15)		$ (0.38)	$ (0.35)
Net loss per share attributable to common stockholders, diluted	$ (0.16)		$ (0.15)		$ (0.38)	$ (0.35)
Class A Common Stock [Member]
Numerator:
Net loss attributable to common stockholders	$ (48,699)		$ (38,067)		$ (115,546)	$ (87,069)
Denominator:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	307,225,596		259,230,808		300,973,789	250,807,903
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	307,225,596		259,230,808		300,973,789	250,807,903
Net loss per share of Class A and Class B common stock attributable to common stockholders:
Net loss per share attributable to common stockholders, basic	$ (0.16)		$ (0.15)		$ (0.38)	$ (0.35)
Net loss per share attributable to common stockholders, diluted	$ (0.16)		$ (0.15)		$ (0.38)	$ (0.35)
Class B Common Stock [Member]
Numerator:
Net loss attributable to common stockholders	$ (26,571)		$ (27,999)		$ (64,348)	$ (68,529)
Denominator:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic	167,632,670		190,668,729		167,618,220	197,403,805
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted	167,632,670		190,668,729		167,618,220	197,403,805
Net loss per share of Class A and Class B common stock attributable to common stockholders:
Net loss per share attributable to common stockholders, basic	$ (0.16)		$ (0.15)		$ (0.38)	$ (0.35)
Net loss per share attributable to common stockholders, diluted	$ (0.16)		$ (0.15)		$ (0.38)	$ (0.35)