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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Purchase Options, Broadcast Stations

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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, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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RELATED PERSON TRANSACTIONS - Cunningham Broadcasting Corporation (Details) $ in Thousands	1 Months Ended		3 Months Ended
	Aug. 31, 2016 USD ($)	Apr. 30, 2016 USD ($)	Mar. 31, 2018 USD ($) renewal	Mar. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Long-term debt			$ 4,030,000
Net revenue			$ 665,352	$ 626,936
Affiliated Entity \| Cunningham
Related Party Transaction [Line Items]
Right to acquire capital stock			100.00%
Remaining purchase price			$ 53,600
Purchase options, broadcast stations			$ 200
Proceeds from sale of master control equipment		$ 700
Annual revenue from master control services		$ 200
Annual revenue for share service	$ 1,000
Affiliated Entity \| Cunningham \| LMA
Related Party Transaction [Line Items]
Number of additional renewal terms \| renewal			2
Agreement renewal period			5 years
Lease payments made to entities			$ 2,600	2,000
Affiliated Entity \| Cunningham \| LMA \| Minimum
Related Party Transaction [Line Items]
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			$ 5,000
Annual increase in aggregate purchase price			6.00%
Cunningham license related assets \| Cunningham
Related Party Transaction [Line Items]
Agreement renewal period			8 years
Amount received			$ 13,400	1,400
Net revenue			37,600	$ 26,200
Guarantee Obligations \| Affiliated Entity \| Cunningham
Related Party Transaction [Line Items]
Unconditional and irrevocably guaranteed debt			54,000
Consolidated VIEs \| Affiliated Entity \| Cunningham
Related Party Transaction [Line Items]
Long-term debt			$ 10,800