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Restricted Cash (Details)
Mar. 20, 2019
television_station
Jun. 30, 2019
USD ($)
May 01, 2019
USD ($)
Dec. 31, 2018
USD ($)
Cash and Cash Equivalents [Abstract]        
Restricted cash   $ 240,000,000   $ 0
Restricted cash and cash equivalents, current       $ 5,100,000
Nexstar Media Group, Inc.        
Restricted Cash and Cash Equivalents Items [Line Items]        
Number of businesses acquired | television_station 8      
Term Loan B, Maturing 2026 | Cordillera Communications, LLC and Nexstar Media Group, Inc.        
Restricted Cash and Cash Equivalents Items [Line Items]        
Debt face value     $ 765,000,000