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RESTRUCTURING RELATED EXPENSES (Tables)
 12 Months Ended
Dec. 31, 2019
Restructuring and Related Activities [Abstract]  
Schedule of restructuring activities
The following table summarizes the 2018, and 2019 restructuring activity:
Total  
Liability balance at December 31, 2017$750  
Increase in liability1,523  
Reduction in liability (payments)(2,008) 
Liability balance at December 31, 2018265  
Increase in liability2,375  
Reduction in liability (payments)(2,257) 
Liability balance at December 31, 2019$383