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Other matters (Details) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
May 26, 2023 USD ($) Preliminaryapproval | Oct. 03, 2018 Defendant | Jun. 30, 2019 Defendant | Dec. 13, 2018 Defendant | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  | $ 576,467,000 |  | $ 576,467,000 |  | $ 604,300,000
Corporate - General and administrative expenses |  |  |  |  | 22,821,000 | $ 13,188,000 | 43,086,000 | $ 40,671,000 |
Equity And Debt Investment | Related Party |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Cost of revenues |  |  |  |  | 200,000 | $ 16,400,000 | 500,000 | $ 53,700,000 |
Accounts receivable |  |  |  |  | $ 100,000 |  | $ 100,000 |  | $ 400,000
Clay, Massey & Associates, P.C. v. Gray Television |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of other broadcasters settling DOJ complaint (defendant) | Defendant |  | 16 | 4 |  |  |  |  |  |
Number of co defendants | Preliminaryapproval | 4 |  |  |  |  |  |  |  |
Settlement amount | $ 0 |  |  |  |  |  |  |  |
Loss contingency, damages sought, value | $ 48,000,000 |  |  |  |  |  |  |  |
Loss contigency, settlement agreement date, approved by court |  |  |  |  |  |  | Dec. 31, 2023 |  |
Settled Litigation |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of other broadcasters settling DOJ complaint (defendant) | Defendant |  |  | 4 | 7 |  |  |  |  |

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