Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 42,995	$ 42,973
Accumulated depreciation and amortization	(29,045)	(26,255)
Property and equipment, net	13,950	16,718
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,483	16,474
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	17,459	17,190
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,990	9,023
Facilities construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 63	$ 286