v3.25.1
FAIR VALUE MEASUREMENT - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Carrying Amount    
Liabilities:    
Debt, fair value $ 25,165,576 $ 24,912,126
CSC Holdings | Related Party    
Liabilities:    
Notes payable to affiliate (Note 14) 88,500 90,500
Fair Value, Inputs, Level 2 [Member] | CSC Holdings | Carrying Amount | Supply chain financing    
Liabilities:    
Debt, fair value 14,365 50,642
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 1 [Member] | Money market funds (a)    
Assets:    
Money market funds (a) 191,600 158,648
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 1 [Member] | Money market funds (a) | CSC Holdings    
Assets:    
Money market funds (a) 184,076 151,205
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 2 [Member] | Interest rate swap contracts    
Assets:    
Money market funds (a) 4,970 8,466
Liabilities:    
Interest rate swap contracts 369 0
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 3 | Interest rate swap contracts    
Liabilities:    
Contingent consideration related to acquisitions $ 942 $ 6,974