GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Changes to the carrying amount of goodwill	$ 0.0
Accumulated impairment loss	0.0
Spectrum frequencies
Indefinite-Lived Intangible Assets
Indefinite-lived intangible assets	$ 5.3	$ 5.3

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
-Topic 350
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-Publisher FASB
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- References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
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-Name Accounting Standards Codification
-Section 55
-Paragraph 24
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-URI https://asc.fasb.org/1943274/2147482548/350-20-55-24

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
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-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

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