AFFILIATE AND RELATED PARTY TRANSACTIONS - Amounts Due From and Due to Related Parties (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Related Party Transaction [Line Items]
Due from:	$ 192,093	$ 141,897
Other Accrued Liabilities, Current	573,907	425,459
Related Party
Related Party Transaction [Line Items]
Due from:	270	314
Other Accrued Liabilities, Current	41,972	26,944
Related Party | Altice Europe
Related Party Transaction [Line Items]
Due from:	0	44
Other Accrued Liabilities, Current	41,459	26,944
Related Party | Other affiliates and related parties
Related Party Transaction [Line Items]
Due from:	270	270
Other Accrued Liabilities, Current	$ 513	$ 0