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DEBT - Credit Facilities Outstanding (Details) $ in Thousands | Mar. 31, 2022 USD ($)
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Debt Instrument [Line Items] |
Supply chain financing to be paid within one year | $ 124,968
Cablevision Lightpath LLC | Cablevision Lightpath LLC |
Debt Instrument [Line Items] |
Ownership percentage of noncontrolling interest | 50.01%
CSC Holdings Revolving Credit Facility | Revolving Credit Facility |
Debt Instrument [Line Items] |
Letters of credit outstanding | $ 133,706
Line of credit facility, remaining borrowing capacity | 1,601,294
Line of Credit Facility, Maximum Borrowing Capacity | 2,475,000
Cablevision Lightpath Term B Loan | Secured Debt [Member] |
Debt Instrument [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | $ 100,000

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