Represents the annual percentage increase in aggregate purchase price of the television stations.

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Represents the amount of remaining purchase price, difference of aggregate purchase price and total payments made in pursuant to the business acquisition.

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Equipment Purchase Agreement, Annual Service Consideration

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Equipment Purchase Agreement, Consideration Amount

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Represents the aggregated payments received under the LMA which are treated as a liability for the prepayment of the purchase price of the stations, and which are therefore omitted from consolidated liabilities.

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Represents the renewal period of agreements by related parties.

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Represents the amount used to determine annual LMA fees required to be paid to related party.

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Represents the number of renewal periods of agreements by related parties.

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Represents the amount paid for transactions to related party during the financial reporting period.

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Represents the percentage of each station's net broadcast revenue due to the related party used to determine amount of annual LMA fees required to be paid.

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Percentage of capital stock or assets to be acquired in business combination.

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Share Service Agreement, Annual Service Consideration

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Amount of short-term and long-term debt and lease obligation.

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RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) renewal	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Related Party Transaction [Line Items]
Consolidated total debt	$ 12,540.0
Total revenues	1,511.0	$ 1,609.0
Consolidated VIEs
Related Party Transaction [Line Items]
Consolidated total debt	$ 15.0		$ 16.0
Affiliated Entity \| Cunningham
Related Party Transaction [Line Items]
Agreement renewal period	8 years
Right to acquire capital stock	100.00%
Total payments made under the LMA excluded from liabilities	$ 55.0		54.0
Remaining purchase price	54.0		54.0
Purchase options, broadcast stations	0.2
Proceeds from sale of master control equipment	1.0
Annual revenue from master control services	0.2
Annual revenue for share service	1.0
Affiliated Entity \| Cunningham \| Consolidated VIEs
Related Party Transaction [Line Items]
Consolidated total debt	8.0
Deferred financing costs	$ 0.3
Affiliated Entity \| Cunningham \| LMA
Related Party Transaction [Line Items]
Number of additional renewal terms \| renewal	2
Agreement renewal period	5 years
Percentage of net broadcast revenue used to determine annual LMA fees required to be paid	3.00%
Amount used to determine annual LMA fees required to be paid	$ 5.0
Annual increase in aggregate purchase price	6.00%
Lease payments made to entities	$ 3.0	2.0
Cunningham license related assets \| Cunningham
Related Party Transaction [Line Items]
Total revenues	36.0	$ 39.0
Guarantee Obligations
Related Party Transaction [Line Items]
Unconditional and irrevocably guaranteed debt	48.0		$ 49.0
Guarantee Obligations \| Affiliated Entity \| Cunningham
Related Party Transaction [Line Items]
Unconditional and irrevocably guaranteed debt	$ 40.0