REVENUE - Schedule of Barter and Trade Revenue and Expenses (Details) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	5 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	May 01, 2019	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Trade and barter revenues	$ 947,920	$ 919,854	$ 1,072,775	$ 1,583,287		$ 2,582,868
Trade and Barter Transactions
Disaggregation of Revenue [Line Items]
Trade and barter revenues	59,530	51,831	65,934	89,229	$ 141,769
Trade and barter expenses	$ 40,319	$ 40,607	$ 58,330	$ 68,342	$ 136,827

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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