v3.26.1
FAIR VALUE MEASUREMENT - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
CSC Holdings | Related Party    
Liabilities:    
Notes payable to affiliate (Note 13) $ 78,500 $ 82,500
Interest rate swap contracts | Derivatives Not Designated as Hedging Instruments    
Liabilities:    
Asset Derivatives:   2,274
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 1 [Member] | Money market funds (a)    
Assets:    
Money market funds (a) 825,563 937,365
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 1 [Member] | Money market funds (a) | CSC Holdings    
Assets:    
Money market funds (a) 817,662 929,604
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 2 [Member] | Interest rate swap contracts    
Liabilities:    
Interest rate swap contracts 0 1,342
Fair Value Measured on a Recurring Basis | Fair Value, Inputs, Level 3 | Interest rate swap contracts    
Liabilities:    
Contingent consideration related to acquisitions $ 4,500 $ 4,941