AFFILIATE AND RELATED PARTY TRANSACTIONS - Amounts Due From and Due to Related Parties (Details) - USD ($) $ in Thousands |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Related Party Transaction [Line Items] | ||
| Due from: | $ 190,522 | $ 141,897 |
| Other Accrued Liabilities, Current | 530,646 | 425,459 |
| Related Party | ||
| Related Party Transaction [Line Items] | ||
| Due from: | 270 | 314 |
| Other Accrued Liabilities, Current | 40,805 | 26,944 |
| Related Party | Altice Europe | ||
| Related Party Transaction [Line Items] | ||
| Due from: | 0 | 44 |
| Related Party | Other affiliates and related parties | ||
| Related Party Transaction [Line Items] | ||
| Due from: | 270 | 270 |
| Other Accrued Liabilities, Current | 1,013 | 0 |
| Related Party | Altice Europe | ||
| Related Party Transaction [Line Items] | ||
| Other Accrued Liabilities, Current | $ 39,792 | $ 26,944 |