Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Research and Development Expense
Share based compensation expense	$ 999	$ 2,307	$ 1,476	$ 2,372
Research and Development Expense | Roivant Sciences Ltd. (RSL)
Costs allocated from related party	68	1	176	152
General and Administrative Expense
Share based compensation expense	2,362	830	5,866	1,337
General and Administrative Expense | Roivant Sciences Ltd. (RSL)
Costs allocated from related party	$ 173	$ 270	$ 337	$ 514