PROPERTY AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Mar. 31, 2025
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 23,646	$ 23,813
Less accumulated depreciation and amortization	(17,804)	(17,629)
Property and equipment, net of accumulated depreciation and amortization	5,842	6,184
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,582	14,508
Data processing equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,026	5,425
Office furniture and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 4,038	$ 3,880