DEBT - Cequel Credit Facilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Line of Credit Facility [Line Items]
Loss on extinguishment of debt and write-off of deferred financing costs	$ 51,712	$ 250,489	$ 243,806
Principal amount	$ 26,671,018	$ 26,940,911