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RESTRUCTURING RELATED EXPENSES (Tables)
12 Months Ended
Dec. 31, 2020
Restructuring and Related Activities [Abstract]  
Schedule of restructuring activities
The following table summarizes the 2019, and 2020 restructuring activity (dollar amounts in thousands):
Total
Liability balance at January 1, 2019$265 
Increase in liability2,375 
Reduction in liability (payments)(2,257)
Liability balance at December 31, 2019383 
Increase in liability808 
Reduction in liability (payments)(840)
Liability balance at December 31, 2020$351