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Other matters (Details) $ in Millions |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 08, 2022 letter lawsuit | Jul. 30, 2018 defendant | Jan. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) agreement | Jun. 30, 2019 defendant | Dec. 13, 2018 defendant | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($)
Intangible Contract Asset |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Gross |  |  | $ 20.8 |  |  |  |  |  |  |
Intangible asset useful life |  |  | 2 years |  |  |  |  |  |  |
MadHive |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of renewed existing commercial agreements | agreement |  |  |  | 2 |  |  |  |  |  |
Equity And Debt Investment | Affiliated Entity |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Expenses incurred with related party |  |  |  |  |  |  | $ 29.9 | $ 18.5 | $ 55.9 | $ 42.4
Accounts payable and accrued liabilities with related party |  |  |  | $ 8.9 |  |  | $ 9.0 |  | $ 9.0 |
Clay, Massey & Associates, P.C. v. Gray Television |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of other broadcasters settling DOJ complaint (defendant) | defendant |  | 16 |  |  | 4 |  |  |  |  |
Settled litigation |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of other broadcasters settling DOJ complaint (defendant) | defendant |  |  |  |  | 4 | 7 |  |  |  |
Pending Litigation | Merger Related Lawsuits | Subsequent Event |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of lawsuit filed | lawsuit | 7 |  |  |  |  |  |  |  |  |
Number of demand letter received | letter | 4 |  |  |  |  |  |  |  |  |
Loss Contingency, Pending Claims, Number | lawsuit | 1 |  |  |  |  |  |  |  |  |

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