Debt - Schedule of Total Debt (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	May 26, 2021
Debt Instrument [Line Items]
Secured Notes	$ 132,917	$ 132,917
Carrying value Secured Notes	117,818	116,385
Royalty liability	40,343	40,076
Convertible Notes	105,000	105,000
Carrying value Convertible Notes	78,187	76,852
Total Debt	236,348	233,313
Secured Notes [Member]
Debt Instrument [Line Items]
Debt discount, net of amortization	(12,679)	(13,854)
Deferred debt costs, net of amortization	(2,420)	(2,678)
Convertible Notes [Member]
Debt Instrument [Line Items]
Debt discount, net of amortization	(23,801)	(24,968)
Deferred debt costs, net of amortization	$ (3,012)	$ (3,180)	$ (3,700)