v3.26.1
AFFILIATE AND RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]            
Cash interest paid       $ 888,436 $ 872,995  
Amount of reimbursement recorded through equity       4,907    
Optimum Communications | Related Party            
Related Party Transaction [Line Items]            
Accounts and Other Receivables, Net, Current $ (9,253)     (9,253)    
CSC Holdings            
Related Party Transaction [Line Items]            
Payments of Capital Distribution     $ 1,191   9,738  
Noncash PaymentsOfCapitalDistribution     43   43  
CSC Holdings | Related Party            
Related Party Transaction [Line Items]            
Notes payable to affiliate (Note 13) 78,500     78,500   $ 82,500
Cash interest paid     $ 2,657      
CSC Holdings | Captive | Related Party            
Related Party Transaction [Line Items]            
Notes payable to affiliate (Note 13) 78,500     78,500   82,500
Cash interest paid 2,418     2,418 $ 2,657  
Accounts and Other Receivables, Net, Current $ (541)     (541)    
Other Accounts Payable and Accrued Liabilities           (201)
CSC Holdings | Optimum Communications | Related Party            
Related Party Transaction [Line Items]            
Accounts and Other Receivables, Net, Current           $ (2,346)
i24 News            
Related Party Transaction [Line Items]            
Proceeds from Divestiture of Businesses   $ 1,000        
Reimbursement of certain liabilities       $ 5,000