AFFILIATE AND RELATED PARTY TRANSACTIONS - Revenue and Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Operating expenses:
Operating expenses, net	$ (7,318)	$ (7,713)
Net charges	(7,240)	(7,075)
Capital Expenditures	28,134	11,838
Due to affiliates, current	30,790		$ 20,857
Affiliates
Operating expenses:
Due to affiliates, current	30,790		20,857
Altice Management International | Affiliates
Operating expenses:
Due to affiliates, current	29,122		19,211
CSC Holdings
Related Party Transaction [Line Items]
Revenue	78	638
Operating expenses:
Programming and other direct costs	(2,642)	(4,618)
Other operating expenses, net	(4,676)	$ (3,095)
Due to affiliates, current	$ 30,790		$ 20,857