PROPERTY, EQUIPMENT, AND OTHER ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Property and equipment - net [Abstract]
Total assets		$ 35,449	$ 33,028
Accumulated depreciation and amortization		(28,296)	(25,714)
Property and equipment - net		7,153	7,314
Depreciation expense on property and equipment		4,800	4,700	$ 4,100
Other current assets [Abstract]
Deposits & funds held in escrow		926	438
Prepaid assets		7,946	6,425
Other		384	636
Total		9,256	7,499
Property, equipment and other assets [Abstract]
Property and equipment, net		7,153	7,314
Deferred costs - non-current		10,957	8,856
Right-of-use assets		13,066	0
Other		1,420	1,158
Total		$ 32,596	$ 17,328
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		us-gaap:OtherAssetsNoncurrent	us-gaap:OtherAssetsNoncurrent
Other current liabilities [Abstract]
Accrued expenses		$ 10,024	$ 7,813
Accrued income taxes payable		406	181
Contingent consideration - current		220	5,162
Short-term lease liability		4,815	0
Other		7,521	6,129
Total		$ 22,986	$ 19,285
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Other liabilities [Abstract]
Deferred revenue		$ 16,693	$ 13,789
Contingent consideration - long-term		0	3,780
Long-term lease liability		8,326	0
Other		2,708	108
Total		$ 27,727	$ 17,677
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Contingent Consideration Arrangements [Abstract]
Payments of contingent consideration	$ 9,600	$ 10,100	$ 6,100
Furniture, Fixtures and Equipment [Member]
Property and equipment - net [Abstract]
Total assets		24,657	23,295
Leasehold Improvements [Member]
Property and equipment - net [Abstract]
Total assets		6,964	6,010
Capitalized Software [Member]
Property and equipment - net [Abstract]
Total assets		3,513	3,421
Vehicles [Member]
Property and equipment - net [Abstract]
Total assets		$ 315	$ 302