INCOME TAXES - Income Taxes Paid (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]
Federal	$ 139,552	$ 230,282	$ 157,000
Income taxes paid, net	159,235	255,353	200,295
New Jersey
Income Tax Paid, by Individual Jurisdiction [Line Items]
State	8,402	3,332	15,511
Other
Income Tax Paid, by Individual Jurisdiction [Line Items]
State	11,281	21,739	27,784
CSC Holdings
Income Tax Paid, by Individual Jurisdiction [Line Items]
Federal	139,552	230,282	157,000
Income taxes paid, net	159,235	255,353	200,295
CSC Holdings \| New Jersey
Income Tax Paid, by Individual Jurisdiction [Line Items]
State	8,402	3,332	15,511
CSC Holdings \| Other
Income Tax Paid, by Individual Jurisdiction [Line Items]
State	$ 11,281	$ 21,739	$ 27,784

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Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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Amount, after income tax refund received, of cash paid to state and local tax jurisdictions for tax on income.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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