DEBT - Schedule of Gain (Loss) on Debt Extinguishment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt and write-off of deferred financing costs	$ (23,502)	$ (12,901)	$ 4,393
5.25% Notes due June 1, 2024 | Senior Notes
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt and write-off of deferred financing costs		(4,437)
Lease Agreements
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt and write-off of deferred financing costs		(1,693)
Secured Debt [Member] | Cablevision Lightpath Term B Loan
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt and write-off of deferred financing costs		(5,866)
Secured Debt [Member] | CSC Holdings Term Loan B
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt and write-off of deferred financing costs		(2,598)
Secured Debt [Member] | CSC Holdings Term Loan B-6
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt and write-off of deferred financing costs		$ (21,809)