DERIVATIVE CONTRACTS AND COLLATERALIZED INDEBTEDNESS - Schedule of Interest Rate Derivatives (Details) - Interest Rate Swap - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2025 |
|
| Derivative Instrument Maturity Date 2026, Fixed 2.161% | Cablevision Lightpath | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | $ 300,000 | |
| Fixed interest rate | 2.11% | |
| Derivative Instrument Maturity Date 2026, Fixed 3.979% | Cablevision Lightpath | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | $ 95,000 | |
| Fixed interest rate | 3.979% | |
| Derivative Instruments Maturing 2025 and 2026 | CSC Holdings | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | $ 3,000,000 | |
| Cash received from interest rate swap unwind | $ 43,182 | |
| Derivative Instrument Maturity Date 2026, Fixed 3.523% | Cablevision Lightpath | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | $ 180,000 | |
| Fixed interest rate | 3.523% |