Acquisitions - Acquisition Information (Details) $ / shares in Units, $ in Thousands | Sep. 23, 2020USD ($)station$ / sharesshares | Sep. 19, 2019USD ($)televisionMarkettelevision_station | Jun. 10, 2019USD ($) | May 01, 2019USD ($)television_stationtelevisionMarket | Jan. 01, 2019USD ($)television_station | Jun. 30, 2020USD ($) | Sep. 30, 2020USD ($) | Dec. 31, 2019USD ($) |
Business Acquisition [Line Items] | | | | | | | | |
Programming | | | | | | | $ 0 | $ 52,699 |
Programming (less current portion) | | | | | | | 137,663 | 96,256 |
Goodwill | | | | | | | 1,201,533 | 1,224,679 |
Indefinite-lived intangible assets - FCC licenses | | | | | | | 349,915 | 385,915 |
Current programming liability | | | | | | | 69,261 | 96,682 |
Programming liability | | | | | | | (38,632) | $ (57,291) |
Nexstar Media Group, Inc. | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Number of businesses acquired | television_station | | 8 | | | | | | |
Business acquisition, purchase price | | $ 582,000 | | | | | | |
Programming | | 11,997 | | | | | | |
Other current assets | | 3,541 | | | | | | |
Property and equipment | | 61,569 | | | | | | |
Right-of-use assets | | 82,447 | | | | | | |
Programming (less current portion) | | 9,830 | | | | | | |
Goodwill | | 168,196 | | | | | | |
Accrued expenses | | (4,586) | | | | | | |
Current programming liability | | 16,211 | | | | | | |
Other current liabilities | | (3,185) | | | | | | |
Operating lease liabilities | | (79,766) | | | | | | |
Programming liability | | (15,607) | | | | | | |
Net purchase price | | $ 582,325 | | | | | | |
Number of television markets | televisionMarket | | 7 | | | | | | |
Number of television stations | television_station | | 1 | | | | | | |
Nexstar Media Group, Inc. | Tribune Media Company [Member] | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Number of television stations | television_station | | 7 | | | | | | |
Nexstar Media Group, Inc. | Television network affiliation relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | $ 181,000 | | | | | | |
Nexstar Media Group, Inc. | Advertiser relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | 7,100 | | | | | | |
Nexstar Media Group, Inc. | Indefinite-lived intangible assets - FCC licenses | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Indefinite-lived intangible assets - FCC licenses | | $ 176,000 | | | | | | |
Cordillera Communications, LLC | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Number of businesses acquired | television_station | | | | 15 | | | | |
Business acquisition, purchase price | | | | $ 521,000 | | | | |
Net working capital adjustment used in combination | | | | 23,900 | | | | |
Reduction of purchase price | | | | | | $ 2,500 | | |
Accounts receivable | | | | 26,770 | | | | |
Other current assets | | | | 986 | | | | |
Property and equipment | | | | 53,734 | | | | |
Right-of-use assets | | | | 4,667 | | | | |
Goodwill | | | | 251,681 | | | | |
Accounts payable | | | | (15) | | | | |
Accrued expenses | | | | (5,750) | | | | |
Other current liabilities | | | | (280) | | | | |
Operating lease liabilities | | | | (4,387) | | | | |
Net purchase price | | | | $ 542,406 | | | | |
Number of television markets | televisionMarket | | | | 10 | | | | |
Cordillera Communications, LLC | Television network affiliation relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | $ 169,400 | | | | |
Cordillera Communications, LLC | Advertiser relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | 5,900 | | | | |
Cordillera Communications, LLC | Shared Service Agreements | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | $ 13,000 | | | | |
Intangible asset, estimated amortization period | | | | 20 years | | | | |
Cordillera Communications, LLC | Indefinite-lived intangible assets - FCC licenses | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Indefinite-lived intangible assets - FCC licenses | | | | $ 26,700 | | | | |
Raycom Media, Inc. | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Number of businesses acquired | television_station | | | | | 3 | | | |
Business acquisition, purchase price | | | | | $ 55,000 | | | |
Property and equipment | | | | | 11,721 | | | |
Right-of-use assets | | | | | 296 | | | |
Goodwill | | | | | 18,349 | | | |
Operating lease liabilities | | | | | (296) | | | |
Net purchase price | | | | | 54,970 | | | |
Raycom Media, Inc. | Television network affiliation relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | | 17,400 | | | |
Raycom Media, Inc. | Advertiser relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | | 700 | | | |
Raycom Media, Inc. | Indefinite-lived intangible assets - FCC licenses | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Indefinite-lived intangible assets - FCC licenses | | | | | $ 6,800 | | | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Accounts receivable | | | | | | | 26,770 | |
Programming | | | | | | | 11,997 | |
Other current assets | | | | | | | 4,527 | |
Property and equipment | | | | | | | 127,024 | |
Right-of-use assets | | | | | | | 87,410 | |
Programming (less current portion) | | | | | | | 9,830 | |
Goodwill | | | | | | | 438,226 | |
Accounts payable | | | | | | | (15) | |
Accrued expenses | | | | | | | (10,336) | |
Current programming liability | | | | | | | 16,211 | |
Other current liabilities | | | | | | | (3,465) | |
Operating lease liabilities | | | | | | | (84,449) | |
Programming liability | | | | | | | (15,607) | |
Net purchase price | | | | | | | 1,179,701 | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | Television network affiliation relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | | | | $ 367,800 | |
Intangible asset, estimated amortization period | | | | | | | 20 years | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | Advertiser relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | | | | $ 13,700 | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | Shared Service Agreements | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | | | | | 13,000 | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | Indefinite-lived intangible assets - FCC licenses | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Indefinite-lived intangible assets - FCC licenses | | | | | | | $ 209,500 | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | Minimum | Advertiser relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Intangible asset, estimated amortization period | | | | | | | 5 years | |
Raycom Media, Inc., Cordillera Communications, LLC And Nexstar Media Group, Inc. | Maximum | Advertiser relationships | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Intangible asset, estimated amortization period | | | | | | | 10 years | |
Omny Studio | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Business acquisition, purchase price | | | $ 8,300 | | | | | |
Goodwill | | | 5,300 | | | | | |
Omny Studio | Developed Technology Rights | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Other intangible assets | | | $ 3,800 | | | | | |
Intangible asset, estimated amortization period | | | 10 years | | | | | |
ION Media [Member] | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Expected purchase price at merger | $ 2,650,000 | | | | | | | |
Exercise right of warrants ( in dollars per share) | $ / shares | $ 13 | | | | | | | |
Number of stations to be divested | station | 26 | | | | | | | |
ION Media [Member] | United States | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Percentage of US Homes | 96.00% | | | | | | | |
ION Media [Member] | Preferred Stock | Berkshire Hathaway | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Preferred equity investment | $ 600,000 | | | | | | | |
ION Media [Member] | Common stock, Class A | Berkshire Hathaway | | | | | | | | |
Business Acquisition [Line Items] | | | | | | | | |
Number of shares purchasable by warrant | shares | 23,100,000 | | | | | | | |