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Other Liabilities - Narrative (Details) - ION Media - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jan. 07, 2021
Business Acquisition [Line Items]    
Uncertain tax position liabilities assumed in acquisition   $ 25,300
Uncertain tax liabilities assumed in acquisition related to DPAD   $ 21,000
Tax settlement related to DPAD $ 12,500