Basis of Presentation (Details) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Aug. 06, 2020 |
Jun. 30, 2020
USD ($)
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2020
USD ($)
|
Jun. 30, 2019
USD ($)
|
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| Liberty Media | |||||
| Related Party Transaction [Line Items] | |||||
| Reimbursable amount | $ 1.9 | $ 2.2 | $ 4.1 | $ 4.5 | |
| CEO | Liberty Media | |||||
| Related Party Transaction [Line Items] | |||||
| CEO compensation allocation percentage | 14.00% | ||||
| Subsequent Event | Liberty Broadband | GCI Liberty Inc | Series A and B common stock | |||||
| Related Party Transaction [Line Items] | |||||
| Business combination shares issued ratio | 0.58 | ||||
| Subsequent Event | Liberty Broadband | GCI Liberty Inc | Series A redeemable preferred stock | |||||
| Related Party Transaction [Line Items] | |||||
| Business combination shares issued ratio | 1 | ||||
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- Definition The allocation percentage for the Chief Executive Officer's compensation, under the services agreement, as amended. No definition available.
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- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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