FAIR VALUE MEASUREMENTS - Summary of Goodwill for Wireline Segment (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Goodwill [Roll Forward] | |||
| Goodwill | $ 0 | ||
| Goodwill addition during the year | 23,600 | $ 0 | $ 0 |
| Less impairment losses | 0 | 0 | |
| Goodwill | 23,624 | 0 | |
| Wireline Operating Segment | |||
| Goodwill [Roll Forward] | |||
| Goodwill | 0 | 0 | |
| Goodwill addition during the year | 23,624 | 0 | |
| Less impairment losses | 0 | 0 | |
| Goodwill | $ 23,624 | $ 0 | $ 0 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Details
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