Stockholders' Equity - Summary of Fair Value of ESPP Offerings (Details)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)			6 years 3 months
Expected volatility, minimum		30.00%	35.00%
Expected volatility, maximum		81.20%	85.10%
Risk-free interest rate, minimum		0.20%	0.38%
Risk-free interest rate, maximum		2.88%	1.03%
Expected dividend yield	0.00%	0.00%	0.00%
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)		2 years
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)		7 years 18 days
2019 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility, minimum	81.80%	76.00%	81.00%
Expected volatility, maximum	82.50%	77.30%	88.40%
Risk-free interest rate, minimum	3.39%	0.06%	0.05%
Risk-free interest rate, maximum	4.89%	0.88%	0.13%
Expected dividend yield	0.00%	0.00%	0.00%
2019 Employee Stock Purchase Plan | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)	4 months 24 days	4 months 24 days	6 months
2019 Employee Stock Purchase Plan | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)	1 year	1 year	1 year