DERIVATIVE CONTRACTS AND COLLATERALIZED INDEBTEDNESS - Schedule of Interest Rate Derivatives (Details) - Interest Rate Swap $ in Thousands	Mar. 31, 2024 USD ($)
Derivative Instrument Maturity Date 2026, Fixed 2.161% \| Cablevision Lightpath
Derivative [Line Items]
Derivative, Notional Amount	$ 300,000
Company Pays	2.11%
Derivative Instrument Maturity Date 2026, Fixed 3.523% \| Cablevision Lightpath
Derivative [Line Items]
Derivative, Notional Amount	$ 180,000
Derivative Instrument Maturity Date 2026, Fixed 3.523% \| Cablevision Lightpath
Derivative [Line Items]
Company Pays	3.523%
Derivative Instrument Maturity Date 2025, Fixed 1.3281% Amended
Derivative [Line Items]
Derivative, Notional Amount	$ 500,000
Company Pays	1.3281%
Derivative Instrument Maturity Date 2025, Fixed 1.4223% Amended
Derivative [Line Items]
Derivative, Notional Amount	$ 500,000
Company Pays	1.4223%
Derivative Instrument Maturity Date 2025, Fixed 1.2567% Amended
Derivative [Line Items]
Derivative, Notional Amount	$ 500,000
Company Pays	1.2567%
Derivative Instrument Maturity Date 2025, Fixed 2.7129% Amended
Derivative [Line Items]
Derivative, Notional Amount	$ 750,000
Company Pays	2.7129%
Derivative Instrument Maturity Date 2025, Fixed 2.6999% Amended
Derivative [Line Items]
Derivative, Notional Amount	$ 750,000
Company Pays	2.6999%

Fixed interest rate related to the interest rate derivative.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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