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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	May 01, 2019	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 22, 2021	Mar. 08, 2021	Feb. 05, 2021
Commitments and Contingencies Disclosure [Abstract]
Operating lease, expense	$ 59.2	$ 128.3	$ 203.5	$ 198.2
Beneficial Ownership, Percentage							8.70%
Beneficial Ownership, Shares Owned							9,631,329
FCC petitions for declaratory ruling, percentage of voting equity without prior approval (no more than)					5.00%	5.00%
FCC petitions for declaratory ruling, percentage of investors noncontrolling amount (not to exceed)					14.99%	14.99%
FCC petitions for declaratory ruling, percentage of voting stock and equity owned by non-US individuals and entities (up to)			100.00%

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Beneficial Ownership, Percentage

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FCC Petitions For Declaratory Ruling, Percentage Of Voting Equity Without Prior Approval

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FCC Petitions For Declaratory Ruling, Percentage Of Voting Stock And Equity Owned By Non-US Individuals And Entities

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Amount of operating lease expense. Excludes sublease income.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977

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