Related Party Transactions (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) ft² Director shares	Dec. 31, 2019 USD ($) shares
Related Party Transaction [Abstract]
Number of board of directors \| Director	2
Payment of dividends on Series D Preferred Stock	$ 399	$ 399
Series D Preferred Stock [Member]
Related Party Transaction [Abstract]
Payment of dividends on Series D Preferred Stock	$ 399	399
Gray Television, Inc [Member]
Related Party Transaction [Abstract]
Office and covered garage space leased \| ft²	49,586
Rental expense for operating leases	$ 939	908
Remaining fractional interest in aircraft arrangement transferred to related party		151
Members of Management [Member]
Related Party Transaction [Abstract]
Aggregate carrying value of investments in Gray	16,606	19,764
Premiums paid by Gray for employee benefit plans	$ 1,038	$ 1,022
Members of Management [Member] \| Class A common stock [Member]
Related Party Transaction [Abstract]
Shares of Gray common stock owned (in shares) \| shares	880,272	880,272
Members of Management [Member] \| Common Stock [Member]
Related Party Transaction [Abstract]
Shares of Gray common stock owned (in shares) \| shares	106,000	106,000

Sum of the carrying amounts as of the balance sheet date of all investments in related party.

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Number of board of directors.

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Amount of premiums paid by a related party for certain voluntary employee benefit plans.

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- Definition

Area of a real estate property.

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- Definition

Balance held at close of period in number of shares.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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- Definition

Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.

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Amount of transactions with related party during the financial reporting period.

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