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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Operating Loss Carryforwards [Line Items]        
Effective income tax rate   30.00% 87.00%  
Net impact of various items effecting the income tax effective rate   $ 1.0 $ 1.7  
Net discrete tax provision related to sale of business $ 17.1      
Nondeductible expense       $ 102.6
ION Media        
Operating Loss Carryforwards [Line Items]        
Nondeductible expense $ 1.0      
State and Local Jurisdiction        
Operating Loss Carryforwards [Line Items]        
Impact of change in state tax rate   $ 4.3    
NOL valuation allowance adjustments     $ 1.2