CSC HOLDINGS - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (78,277)	$ 79,037	$ 220,889
Defined benefit pension and postretirement plans:
Defined benefit pension plans	12,926	(5,424)	(20,526)
Applicable income taxes	(3,477)	1,463	5,537
Defined benefit pension plans, net of income taxes	9,449	(3,961)	(14,989)
Foreign currency translation adjustment	(424)	(689)	291
Other comprehensive income (loss)	9,025	(4,650)	(14,698)
Comprehensive income (loss)	(69,252)	74,387	206,191
Comprehensive income attributable to noncontrolling interests	(24,641)	(25,839)	(26,326)
Comprehensive income (loss) attributable to CSC Holdings, LLC's sole member	(93,893)	48,548	179,865
CSC Holdings
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(77,420)	75,988	224,577
Defined benefit pension and postretirement plans:
Defined benefit pension plans	12,926	(5,424)	(20,526)
Applicable income taxes	(3,477)	1,463	5,537
Defined benefit pension plans, net of income taxes	9,449	(3,961)	(14,989)
Foreign currency translation adjustment	(424)	(689)	291
Other comprehensive income (loss)	9,025	(4,650)	(14,698)
Comprehensive income (loss)	(68,395)	71,338	209,879
Comprehensive income attributable to noncontrolling interests	(24,641)	(25,839)	(26,326)
Comprehensive income (loss) attributable to CSC Holdings, LLC's sole member	$ (93,036)	$ 45,499	$ 183,553