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		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	6,443,138	6,033,521	6,443,138	6,033,521
ESPP
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	437,052	283,540	437,052	283,540
Outstanding stock options
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	3,030,595	3,682,344	3,030,595	3,682,344
Unvested restricted stock units
Earnings Per Share Basic [Line Items]
Antidilutive securities excluded from computation of diluted net loss per share (in shares)	2,975,491	2,067,637	2,975,491	2,067,637