GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Intangible Asset, Goodwill and Other [Abstract] | |||
| Changes to the carrying amount of goodwill | $ 0.0 | ||
| Accumulated impairment losses | $ 0.0 | 0.0 | |
| Goodwill impairment loss | 0.0 | ||
| Indefinite-Lived Intangible Assets | |||
| Indefinite-lived intangible assets | 49.9 | 49.9 | $ 5.3 |
| Spectrum frequencies | |||
| Indefinite-Lived Intangible Assets | |||
| Indefinite-lived intangible assets | 5.3 | 5.3 | $ 5.3 |
| Exclusive right | |||
| Indefinite-Lived Intangible Assets | |||
| Indefinite-lived intangible assets | $ 44.6 | $ 44.6 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of indefinite-lived intangible asset. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|