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Description of Business (Details 3) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Charter | ||
| Summary of Investment Holdings [Line Items] | ||
| Shares owned |
28,800,000lbrda_EquityMethodInvestmentSharesOwned / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_CharterMember |
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| Ownership percentage |
26.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_CharterMember |
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| Number of directors that can be nominated to the board |
4lbrda_EquityMethodInvestmentNumberOfDirectorsThatCanBeNominatedToBoardOfDirectors / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_CharterMember |
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| Number of nominees that can be selected to serve on certain committees of the board |
1lbrda_EquityMethodInvestmentNumberOfNomineeToServeOnCertainCommittees / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_CharterMember |
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| Call Option | Time Warner | ||
| Summary of Investment Holdings [Line Items] | ||
| Outstanding written call options |
2lbrda_NumberOfOutstandingWrittenCallOptions / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Call Option | Expiration Date February 2014 | Time Warner | ||
| Summary of Investment Holdings [Line Items] | ||
| Outstanding number of options |
625,000us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateFebruary2014Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Strike price (in dollars per share) |
91.6834lbrda_EquityMethodInvestmentCommonStockAcquiredCostPerShare / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateFebruary2014Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Call Option | Expiration Date August 2014 | Time Warner | ||
| Summary of Investment Holdings [Line Items] | ||
| Outstanding number of options |
625,000us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateAugust2014Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Strike price (in dollars per share) |
90.8420lbrda_EquityMethodInvestmentCommonStockAcquiredCostPerShare / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateAugust2014Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Call Option | Expiration Date February 2015 | Time Warner | ||
| Summary of Investment Holdings [Line Items] | ||
| Outstanding written call options |
2lbrda_NumberOfOutstandingWrittenCallOptions / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateFebruary2015Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Outstanding number of options |
625,000us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateFebruary2015Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Strike price (in dollars per share) |
92.0232lbrda_EquityMethodInvestmentCommonStockAcquiredCostPerShare / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateFebruary2015Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Call Option | Expiration Date May 2015 | Time Warner | ||
| Summary of Investment Holdings [Line Items] | ||
| Outstanding written call options |
2lbrda_NumberOfOutstandingWrittenCallOptions / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateMay2015Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Outstanding number of options |
625,000us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateMay2015Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| Strike price (in dollars per share) |
90.8420lbrda_EquityMethodInvestmentCommonStockAcquiredCostPerShare / us-gaap_InvestmentSecondaryCategorizationAxis = lbrda_ExpirationDateMay2015Member / us-gaap_InvestmentTypeAxis = us-gaap_CallOptionMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lbrda_TimeWarnerCableIncMember |
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| X | ||||||||||
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- Definition
Represents the cost per share of common stock acquired of an investment accounted for using the Equity Method. No definition available.
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- Definition
The number of directors that the Company can nominate to the board of directors of an equity method investment. No definition available.
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- Definition
The number of nominees of the Company that can be selected to serve on the nominating and corporate goverance, audit and compensation and benenfits committees of the board. No definition available.
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- Definition
The number of shares of ouststanding common stock of an equity method investment are owned by the entity. No definition available.
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- Definition
Represents the number of outstanding written call options. No definition available.
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- Definition
Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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- Details
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