Acquisition - Pro Forma Revenue and Net Earnings (Details) - GCI Liberty Inc - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Business Acquisition [Line Items] | ||
| Revenue | $ 968,109 | $ 903,350 |
| Net earnings (loss) | 695,164 | (171,843) |
| Net earnings (loss) attributable to Liberty Broadband shareholders | $ 695,266 | $ (171,387) |
| Basic net earnings (loss) attributable to Series A, Series B and Series C Liberty Broadband shareholders per common share (in dollars per share) | $ 3.82 | $ (0.86) |
| Diluted net earnings (loss) attributable to Series A, Series B and Series C Liberty Broadband shareholders per common share (in dollars per share) | $ 3.79 | $ (0.86) |
| X | ||||||||||
- Definition Business Acquisition, Pro Forma Net Income (Loss) Attributable To Common Shareholders No definition available.
|
| 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. No definition available.
|
| X | ||||||||||
- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|