PROPERTY, EQUIPMENT, AND OTHER ASSETS AND LIABILITIES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Property and equipment - net [Abstract]      
Total assets $ 38,229 $ 35,449  
Accumulated depreciation and amortization (30,841) (28,296)  
Property and equipment - net 7,388 7,153  
Depreciation expense on property and equipment 5,400 4,800 $ 4,700
Other current assets [Abstract]      
Deposits & funds held in escrow 759 926  
Prepaid assets 9,939 7,946  
Other 278 384  
Total 10,976 9,256  
Property, equipment and other assets [Abstract]      
Property and equipment, net 7,388 7,153  
Deferred costs - non-current 19,063 10,957  
Right-of-use assets 8,763 13,066  
Other 7,075 1,420  
Total $ 42,289 $ 32,596  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Total Total  
Other current liabilities [Abstract]      
Accrued expenses $ 13,598 $ 10,024  
Accrued income taxes payable 4,439 406  
Contingent consideration - current 0 220  
Short-term lease liability 3,934 4,815  
Other 8,090 7,521  
Total $ 30,061 $ 22,986  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Total Total  
Other liabilities [Abstract]      
Deferred revenue - non-current $ 26,309 $ 16,693  
Long-term lease liability 5,040 8,326  
Other 5,330 2,708  
Total $ 36,679 $ 27,727  
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Total Total  
Furniture, Fixtures and Equipment [Member]      
Property and equipment - net [Abstract]      
Total assets $ 26,612 $ 24,657  
Leasehold Improvements [Member]      
Property and equipment - net [Abstract]      
Total assets 6,918 6,964  
Capitalized Software [Member]      
Property and equipment - net [Abstract]      
Total assets 4,153 3,513  
Vehicles [Member]      
Property and equipment - net [Abstract]      
Total assets $ 546 $ 315