Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 569	$ 81,720
Accumulated depreciation	(285)	(48,931)
Total property, plant and equipment, net	284	32,789
Depreciation expense	11,144	11,042
Automobiles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 0	23
Automobiles | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 0	3,426
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	4 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	20 years
Computer software and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 0	57,223
Computer software and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	2 years
Computer software and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	7 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 569	14,953
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 0	2,034
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	20 years
Work in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 0	$ 4,061