Geographical Information - Schedule of Long-lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	$ 35,813	$ 21,113
United States
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	20,473	20,807
Foreign
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	15,340	306
Bulgaria
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	15,017	0
Thailand
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	233	252
Other
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	$ 90	$ 54