Net Loss Per Share Attributable to Common Stockholders - Common Stock Equivalents Excluded from Calculation of Diluted Net Loss Per Share (Details) - Class A Common Stock - shares	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	6,862,786	6,116,325	6,862,786	6,116,325
ESPP
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	325,939	283,111	325,939	283,111
Outstanding stock options
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	3,134,850	3,781,897	3,134,850	3,781,897
Unvested restricted stock units
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	3,401,997	2,036,251	3,401,997	2,036,251
Shares subject to vesting
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	0	15,066	0	15,066