PROPERTY, EQUIPMENT, OTHER ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended	9 Months Ended
	Oct. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2019	Mar. 31, 2019
Other current assets [Abstract]
Deposits & funds held in escrow					$ 2,438	$ 438
Prepaid assets					6,324	6,425
Other					47	636
Total other current assets					8,809	7,499
Property, equipment and other assets [Abstract]
Property and equipment, net					7,078	7,314
Deferred costs - non-current					11,338	8,856
Right-of-use assets					14,577	0
Other					1,007	1,158
Total other assets - long term					34,000	17,328
Other current liabilities [Abstract]
Accrued expenses					9,639	7,813
Accrued income taxes payable					1,424	181
Contingent consideration - current					283	5,162
Short-term lease liability					5,231	0
Other					8,418	6,129
Total other current liabilities					24,995	19,285
Other liabilities [Abstract]
Deferred revenue					17,076	13,789
Contingent consideration long-term					0	3,780
Long-term lease liability					9,385	0
Other					2,127	108
Total other liabilities - long term					$ 28,588	$ 17,677
Contingent Consideration Arrangements [Abstract]
Payments of contingent consideration	$ 9,600	$ 500	$ 5,000	$ 6,100