Net Income (Loss) Per Share (Antidilutive Securities Excluded from Diluted Net Income (Loss) Per Share) (Details) - shares	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Dilutive Shares Issuable Under Purchase Contracts [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from diluted net income (loss) per share		3,293,038
Time-Vesting Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from diluted net income (loss) per share	1,916,531	573,157
Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from diluted net income (loss) per share	5,285,690
Deferred Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from diluted net income (loss) per share	108,159	1,575