XML 87 R79.htm IDEA: XBRL DOCUMENT v3.22.0.1
Other Intangible Assets, net and Goodwill - Goodwill Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Goodwill [Line Items]      
Acquisition $ 8,121 $ 4,501,894  
Discontinued Operations, Disposed of by Sale | Brand Protection, AntiPiracy, and AntiFraud Solutions      
Goodwill [Line Items]      
Purchase price     $ 3,751
Goodwill, Written off Related to Sale of Business Unit   $ 9,129