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RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2016 USD ($) | Apr. 30, 2016 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) renewal | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Total revenue |  |  | $ 773.0 | $ 917.0 | $ 2,333.0 | $ 2,544.0 |
Cunningham |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Right to acquire capital stock |  |  | 100.00% |  | 100.00% |  |
Remaining purchase price |  |  | $ 54.0 |  | $ 54.0 |  | $ 54.0
Purchase options, broadcast stations |  |  | 0.2 |  | 0.2 |  |
Cunningham | Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Total revenue |  |  | $ 33.0 | 41.0 | $ 97.0 | 109.0 |
Share service agreement, annual service consideration increasing rate ( as a percent) | 3.00% |  |  |  |  |  |
Cunningham | LMA |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Number of additional renewal terms | renewal |  |  |  |  | 1 |  |
Agreement renewal period |  |  |  |  | 5 years |  |
Percentage of net broadcast revenue used to determine annual LMA fees required to be paid |  |  | 3.00% |  | 3.00% |  |
Amount used to determine annual LMA fees required to be paid |  |  | $ 6.0 |  | $ 6.0 |  |
Annual increase in aggregate purchase price |  |  | 6.00% |  | 6.00% |  |
Amounts of transaction |  |  |  |  | $ 72.0 |  | $ 69.0
Amount paid |  |  | $ 3.0 | 3.0 | $ 9.0 | 9.0 |
Cunningham | Renewal Term |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Agreement renewal period |  |  |  |  | 8 years |  |
Cunningham | Initial Fee |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Amounts of transaction |  | $ 1.0 |  |  |  |  |
Cunningham | Annual Master Control And Maintenance Fee |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Amounts of transaction |  | $ 0.3 |  |  |  |  |
Cunningham | Annual Fee |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Amounts of transaction | $ 0.6 |  |  |  |  |  |
Cunningham | Multi-Cast Agreements |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Amount paid |  |  | $ 0.3 | $ 0.2 | $ 1.0 | $ 1.0 |

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