PROPERTY AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Mar. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 25,678	$ 25,394
Less accumulated depreciation and amortization	(18,304)	(17,213)
Property and equipment, net of accumulated depreciation and amortization	7,374	8,181
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,572	14,147
Data processing equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,931	5,915
Office furniture and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,175	$ 5,332