GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	$ 24,783	$ 24,783
Goodwill, Net	24,783	24,783
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Other indefinite-lived intangibles, Gross	286	286
Intangible assets with finite lives:
Gross	36,486	36,486
Accumulated Amortization	(7,154)	(5,907)
Net	29,332	30,579
Developed technology
Intangible assets with finite lives:
Gross	13,100	13,100
Accumulated Amortization	(3,639)	(3,093)
Net	9,461	10,007
Customer relationship
Intangible assets with finite lives:
Gross	23,100	23,100
Accumulated Amortization	(3,515)	(2,814)
Net	$ 19,585	$ 20,286