INTANGIBLE ASSETS - Indefinite-lived assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Cable television franchises	$ 13,216,355	$ 13,216,355
Goodwill	$ 8,205,863	$ 8,205,863

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant