v3.19.1
INTANGIBLE ASSETS AND GOODWILL (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]    
Amortization expenses $ 1,971 $ 36
Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets estimated useful lives of assets 7 years  
Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets estimated useful lives of assets 10 years