PROPERTY AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 25,413	$ 25,394
Less accumulated depreciation and amortization	(17,717)	(17,213)
Property and equipment, net of accumulated depreciation and amortization	7,696	8,181
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,336	14,147
Data processing equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,889	5,915
Office furniture and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,188	$ 5,332