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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Thousands |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |
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Mar. 01, 2024 USD ($) | Dec. 08, 2023 USD ($) | Jul. 19, 2023 USD ($) | Sep. 21, 2022 USD ($) station | Jul. 28, 2021 USD ($) | Oct. 15, 2020 USD ($) | Sep. 02, 2020 USD ($) | Aug. 19, 2020 USD ($) | Jun. 08, 2020 petition | May 22, 2020 USD ($) | Nov. 06, 2018 lawsuit | Dec. 31, 2017 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2025 station | Jul. 09, 2025 USD ($) | Jun. 27, 2025 USD ($) | Jul. 19, 2024 USD ($) | Oct. 03, 2018 broadcaster
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of television stations owned | station |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 179 |  |  |  |
Marquee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantee, amount sought |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 29,000 |
Unfavorable Regulatory Action |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed fine |  |  |  | $ 2,700 |  |  | $ 9,000 |  |  |  |  | $ 13,000 |  |  |  |  |  |  |
Proposed fine per station |  |  |  |  |  | $ 25 | 500 |  |  |  |  |  |  |  |  |  |  |  |
Issuance of forfeiture penalty upheld |  |  |  |  | $ 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of television stations owned | station |  |  |  | 83 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought, total |  |  |  | $ 3,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voluntary contribution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 | $ 500 |  |
Unfavorable Regulatory Action | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed fine per station |  |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unfavorable Regulatory Action | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed fine per station |  |  |  | 26 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management Services Agreement Misconduct |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payments for legal settlements |  |  |  |  |  |  |  |  |  |  |  |  | $ 495,000 | $ 50,000 |  |  |  |  |
Loss contingency, allegations, payments received |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, settlement, value of claims released | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages awarded | $ 495,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management Services Agreement Misconduct | Sinclair Television Group, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payments for legal settlements |  |  |  |  |  |  |  |  |  |  |  |  | 347,000 |  |  |  |  |  |
Management Services Agreement Misconduct | Sinclair Ventures, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payments for legal settlements |  |  |  |  |  |  |  |  |  |  |  |  | $ 148,000 |  |  |  |  |  |
Breach of Merger Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to other party |  |  |  |  |  |  |  |  |  | $ 48,000 |  |  |  |  |  |  |  |  |
Cash payments for legal settlements |  |  |  |  |  |  |  | $ 48,000 |  |  |  |  |  |  |  |  |  |  |
Compliance plan term |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |
Number of petitions filed | petition |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Various Cases Alleging Violation of Sherman Antitrust Act |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to other party |  | $ 48,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, new claims filed, number (lawsuit) | lawsuit |  |  |  |  |  |  |  |  |  |  | 22 |  |  |  |  |  |  |  |
Loss contingency, number of other broadcasters | broadcaster |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13
Sinclair Broadcast Group, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of television stations owned | station |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 179 |  |  |  |
Sinclair Broadcast Group, LLC | Marquee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantee, amount sought |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 29,000 |
Sinclair Broadcast Group, LLC | Unfavorable Regulatory Action |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed fine |  |  |  | $ 2,700 |  |  | 9,000 |  |  |  |  | $ 13,000 |  |  |  |  |  |  |
Proposed fine per station |  |  |  |  |  | $ 25 | $ 500 |  |  |  |  |  |  |  |  |  |  |  |
Issuance of forfeiture penalty upheld |  |  |  |  | $ 500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of television stations owned | station |  |  |  | 83 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought, total |  |  |  | $ 3,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voluntary contribution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 | $ 500 |  |
Sinclair Broadcast Group, LLC | Unfavorable Regulatory Action | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed fine per station |  |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sinclair Broadcast Group, LLC | Unfavorable Regulatory Action | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed fine per station |  |  |  | $ 26 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sinclair Broadcast Group, LLC | Breach of Merger Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to other party |  |  |  |  |  |  |  |  |  | $ 48,000 |  |  |  |  |  |  |  |  |
Cash payments for legal settlements |  |  |  |  |  |  |  | $ 48,000 |  |  |  |  |  |  |  |  |  |  |
Compliance plan term |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |
Number of petitions filed | petition |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Sinclair Broadcast Group, LLC | Various Cases Alleging Violation of Sherman Antitrust Act |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to other party |  | $ 48,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, new claims filed, number (lawsuit) | lawsuit |  |  |  |  |  |  |  |  |  |  | 22 |  |  |  |  |  |  |  |
Loss contingency, number of other broadcasters | broadcaster |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13

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