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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Corporate Restructuring) (Details) - 2019 Restructuring Plan
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Restructuring Cost and Reserve [Line Items]  
Balance at January 1, 2019 $ 0
Charges 39,039
Charges paid/settled (29,354)
Balance at December 31, 2019 $ 9,685