Equity - Shares of Common Stock Outstanding (Details)	6 Months Ended
	Sep. 30, 2019 shares
Common Class A
Common Stock, Shares Outstanding [Roll Forward]
Outstanding, beginning of period (in shares)	27,367,477
Shares issued in connection with registered offering (in shares)	2,451,633
Shares issued in connection with contingent compensation payment (in shares)	7,692
Forfeitures (in shares)	(13,812)
Shares repurchased for employee tax withholdings (in shares)	(509)
Shares issued in connection with ESPP (in shares)	12,205
Outstanding, end of period (in shares)	29,824,686
Common Class B
Common Stock, Shares Outstanding [Roll Forward]
Outstanding, beginning of period (in shares)	23,516,439
Stock repurchased in connection with registered offering (in shares)	(1,466,712)
Shares issued in connection with contingent compensation payment (in shares)	0
Forfeitures (in shares)	0
Shares repurchased for employee tax withholdings (in shares)	0
Shares issued in connection with ESPP (in shares)	0
Outstanding, end of period (in shares)	22,049,727