Annual report pursuant to Section 13 and 15(d)

Segment Information (Details 3)

v2.4.1.9
Segment Information (Details 3) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Reconciliation of segment Adjusted OIBDA to earnings (loss) before income taxes      
Combined segment Adjusted OIBDA $ (3,711)lbrda_AdjustedOperatingIncomeBeforeDepreciationAndAmortization $ 5,290lbrda_AdjustedOperatingIncomeBeforeDepreciationAndAmortization $ 11,335lbrda_AdjustedOperatingIncomeBeforeDepreciationAndAmortization
Stock-based compensation (999)us-gaap_AllocatedShareBasedCompensationExpense (996)us-gaap_AllocatedShareBasedCompensationExpense 2,383us-gaap_AllocatedShareBasedCompensationExpense
Depreciation and amortization (9,043)us-gaap_DepreciationDepletionAndAmortization (4,382)us-gaap_DepreciationDepletionAndAmortization (5,839)us-gaap_DepreciationDepletionAndAmortization
Gain (Loss) on legal settlement 6,000us-gaap_GainLossRelatedToLitigationSettlement    
Impairment of long-lived assets (35,221)us-gaap_GoodwillAndIntangibleAssetImpairment    
Interest expense (1,138)us-gaap_InterestExpense    
Dividend and interest income 5,426us-gaap_InvestmentIncomeInterestAndDividend 6,878us-gaap_InvestmentIncomeInterestAndDividend 5,415us-gaap_InvestmentIncomeInterestAndDividend
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions (127,573)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions (76,090)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions  
Gain Loss On Investments And Derivative Instruments Net 51,189lbrda_GainLossOnInvestmentsAndDerivativeInstrumentsNet 97,860lbrda_GainLossOnInvestmentsAndDerivativeInstrumentsNet 57,582lbrda_GainLossOnInvestmentsAndDerivativeInstrumentsNet
Gain (loss) on dilution of investment in affiliate (87,158)us-gaap_GainLossOnSaleOfPreviouslyUnissuedStockBySubsidiaryOrEquityInvesteeNonoperatingIncome (92,933)us-gaap_GainLossOnSaleOfPreviouslyUnissuedStockBySubsidiaryOrEquityInvesteeNonoperatingIncome  
Other, net (63)us-gaap_OtherNonoperatingIncomeExpense (53)us-gaap_OtherNonoperatingIncomeExpense (117)us-gaap_OtherNonoperatingIncomeExpense
Earnings (loss) from continuing operations before income taxes $ (202,291)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest $ (64,426)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest $ 70,759us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest