Consolidated Statements of Operations and Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Revenue	$ 219,638	$ 299,489	$ 271,893
Cost of revenue	120,261	164,993	138,948
Research and development expense	205,361	222,596	189,377
Service
Revenue	191,816	265,840	257,749
Cost of revenue	108,116	150,595	135,027
Related Party
Revenue	12,004	47,448	46,064
Cost of revenue	295	530	299
Research and development expense	$ 12,771	$ 10,709	$ 23,954