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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Redeemable Noncontrolling Interests - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Reconciliation from basic to diluted weighted average common shares outstanding |  |  |
Redeemable units | $ 76,303 | $ 85,917 | $ 92,469
Warrants value | 300 | 300 |
Redeemable Common Units |  |  |
Reconciliation from basic to diluted weighted average common shares outstanding |  |  |
Redeemable units | 10,599 | 25,823 | 37,317
Allocated losses | 17,700 | 11,000 |
Increase (decrease) in book value | 2,500 | (500) |
Redeemable Preferred Units |  |  |
Reconciliation from basic to diluted weighted average common shares outstanding |  |  |
Redeemable units | $ 65,704 | 60,094 | $ 55,152
Percentage of preferred dividend | 9.00% |  |
Unpaid dividend | $ 17,400 | 11,800 |
Alaska communications |  |  |
Reconciliation from basic to diluted weighted average common shares outstanding |  |  |
Percentage of additional equity interest | 3.00% |  |
Alaska communications | Redeemable Common Units |  |  |
Reconciliation from basic to diluted weighted average common shares outstanding |  |  |
Fair value of common units | $ 0 | 11,100 |
Sacred Wind Enterprises | Redeemable Common Units |  |  |
Reconciliation from basic to diluted weighted average common shares outstanding |  |  |
Redeemable units | 10,600 |  |
Fair value of common units | $ 10,100 | $ 14,800 |

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