Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss	$ (28,736)	$ (10,117)	$ (78,091)	$ (30,854)
Less: cumulative dividends allocated to preferred stockholders	0	(3,881)	0	(11,581)
Net loss attributable to common stockholders	$ (28,736)	$ (13,998)	$ (78,091)	$ (42,435)
Denominator:
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted	61,564	28,741	60,868	27,588
Net loss per share attributable to common stockholders
Basic and diluted	$ (0.47)	$ (0.49)	$ (1.28)	$ (1.54)