PROPERTY AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 42,954	$ 45,001
Less accumulated depreciation and amortization	34,145	33,470
Property and equipment, net of accumulated depreciation and amortization	8,809	11,531
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27,490	28,224
Data processing equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,545	7,001
Office furniture and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 7,919	$ 9,776