INTANGIBLE ASSETS, NET - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 42,812	$ 51,293
Accumulated Amortization	(20,414)	(30,556)
Net Book Value	22,398	20,737
Complia and Leap Orbit Acquisitions
Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	8,400
Software development cost
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	30,861	39,342
Accumulated Amortization	(16,951)	(23,417)
Net Book Value	13,910	15,925
Acquired software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	11,241	11,241
Accumulated Amortization	(3,359)	(6,880)
Net Book Value	7,882	4,361
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	425	425
Accumulated Amortization	(40)	(101)
Net Book Value	385	324
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	250	250
Accumulated Amortization	(56)	(139)
Net Book Value	194	111
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	35	35
Accumulated Amortization	(8)	(19)
Net Book Value	$ 27	$ 16