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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Operating Loss Carryforwards [Line Items]    
Effective income tax rate 85.00% (50.00%)
Net impact of various items effecting the income tax effective rate $ (1,300) $ 1,000
Nondeductible expense 70,700  
ION Media    
Operating Loss Carryforwards [Line Items]    
Discrete tax provision charge related to nondeductible transaction costs 1,000  
State and Local Jurisdiction    
Operating Loss Carryforwards [Line Items]    
NOL valuation allowance adjustments 1,200 $ 4,000
Net discrete tax provision charge $ 17,100