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DISPOSITION RELATED AND OTHER COSTS SALE OF SLASHDOT MEDIA - DISPOSITION (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]    
Restructuring Reserve $ 510 $ 3,307
Restructuring and Related Cost, Incurred Cost 0 875
Payments for Restructuring (62) (1,609)
Restructuring Reserve 448 2,573
Employee Severance [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Reserve 145 1,089
Restructuring and Related Cost, Incurred Cost 0 763
Payments for Restructuring (16) (1,125)
Restructuring Reserve $ 129 $ 727