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v3.24.1.u1

Note 13 - Subsequent Event (Details Textual) $ in Millions | May 06, 2024 USD ($)
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Subsequent Event [Member] |
Available Liquidity, Maximum Authorized Amount to Repurchase Debt | $ 250

X
- Definition The amount of maximum authorized amount to repurchase debt through available liquidity. + References No definition available. + Details
Name: | gtn_AvailableLiquidityMaximumAuthorizedAmountToRepurchaseDebt
Namespace Prefix: | gtn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |