Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Schedule of Cash, Cash Equivalents and Restricted Cash

The following represents a reconciliation of cash and cash equivalents on the consolidated balance sheets to total cash, cash equivalents and restricted cash in the consolidated statements of cash flows (in thousands):

	March 31,
	2022		2021		2020
Cash and cash equivalents	$	406,704	$	674,493	$	76,644
Restricted cash (included in other assets)	10,100		2,987		1,374
Total cash, cash equivalents and restricted cash	$	416,804	$	677,480	$	78,018

Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Common Share

The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per common share for the periods indicated because their inclusion would have been anti-dilutive:

	March 31,
	2022	2021	2020
Stock options	6,130,680	8,293,331	7,723,302
Restricted stock awards (unvested)	—	—	634,623
Restricted stock units and performance stock units (unvested)	4,532,619	3,571,235	945,559
Warrants	73,710	73,710	73,710
Total	10,737,009	11,938,276	9,377,194