Equity - Shares of Common Stock Outstanding (Details) - shares	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Common Class A
Common Stock, Shares Outstanding [Roll Forward]
Outstanding, beginning of period (in shares)	37,280,697	36,290,183	29,842,784
Shares issued in connection with offering (in shares)	586,737	877,400	6,415,760
Shares issued in connection with ESPP (in shares)	34,655	24,931	23,130
Shares repurchased for employee tax withholdings (in shares)	(37,372)	(43,934)	(69,962)
Forfeitures (in shares)	(9,295)	(7,420)	(1,917)
Restricted stock granted (in shares)	756,497	139,537	80,388
Outstanding, end of period (in shares)	38,611,919	37,280,697	36,290,183
Common Class B
Common Stock, Shares Outstanding [Roll Forward]
Outstanding, beginning of period (in shares)	16,033,359	16,739,846	22,049,727
Shares repurchased in connection with offerings (in shares)	(539,237)	(695,505)	(5,309,881)
Shares issued in connection with ESPP (in shares)	0	0	0
Shares repurchased for employee tax withholdings (in shares)	0	0	0
Forfeitures (in shares)	(84,615)	(10,982)	0
Restricted stock granted (in shares)	0	0	0
Outstanding, end of period (in shares)	15,409,507	16,033,359	16,739,846