Acquisition - Additional Acquisition Information (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Aug. 06, 2020 |
Dec. 31, 2020 |
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| Business Acquisition [Line Items] | ||
| Intangible assets subject to amortization | $ 673,855 | |
| GCI Liberty Inc | ||
| Business Acquisition [Line Items] | ||
| Intangible assets subject to amortization | $ 673,855 | |
| Acquired goodwill deductible for income tax purposes | $ 134,300 | |
| Net earnings (loss) from continuing operations | $ 28,000 | |
| GCI Liberty Inc | Customer relationships | ||
| Business Acquisition [Line Items] | ||
| Useful life | 14 years | |
| GCI Liberty Inc | Right-to-use | ||
| Business Acquisition [Line Items] | ||
| Useful life | 12 years |
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- 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. No definition available.
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- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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