EARNINGS PER SHARE AND REDEEMABLE NONCONTROLLING INTERESTS - Redeemable Noncontrolling Interests Narrative (Details) - Redeemable Common Units - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Reconciliation from basic to diluted weighted average common shares outstanding | |||||
| Allocated income (losses) | $ 9.3 | $ (5.1) | $ 6.3 | $ (8.7) | |
| Alloy Inc | |||||
| Reconciliation from basic to diluted weighted average common shares outstanding | |||||
| Historical cost of redeemable units | 22.3 | 22.3 | |||
| Fair value of units | $ 15.0 | ||||
| Alaska Communications | |||||
| Reconciliation from basic to diluted weighted average common shares outstanding | |||||
| Fair value of units | $ 0.0 | $ 0.0 | $ 0.0 | ||