Quarterly report pursuant to Section 13 or 15(d)

Condensed Combined Statement of Equity

v2.4.1.9
Condensed Combined Statement of Equity (USD $)
In Thousands, unless otherwise specified
Class A common stock
Class B common stock
Class C common stock
Additional paid-in capital
Accumulated other comprehensive earnings
Retained earnings (accumulated) deficit
Total
Balance at Dec. 31, 2014 $ 261us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
$ 25us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
$ 572us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
$ 2,835,373us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ 7,918us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (349,380)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 2,494,769us-gaap_StockholdersEquity
Increase (Decrease) in Stockholders' Equity              
Net earnings (loss)           5,318us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
5,318us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Other comprehensive earnings (loss)         75us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
  75us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Stock compensation       1,283us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    1,283us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Issuance of common stock upon exercise of stock options     1lbrda_IssuanceOfCommonStockUponExerciseOfStockOptions
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
106lbrda_IssuanceOfCommonStockUponExerciseOfStockOptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    107lbrda_IssuanceOfCommonStockUponExerciseOfStockOptions
Excess tax benefits from stock-based compensation       2,001lbrda_ExcessTaxBenefitsFromStockBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    2,001lbrda_ExcessTaxBenefitsFromStockBasedCompensation
Common stock issued pursuant to the rights offering     173lbrda_CommonStockIssuedPursuantToRightsOffering
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
697,136lbrda_CommonStockIssuedPursuantToRightsOffering
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    697,309lbrda_CommonStockIssuedPursuantToRightsOffering
Balance at Mar. 31, 2015 $ 261us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
$ 25us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
$ 746us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
$ 3,535,899us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ 7,993us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (344,062)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 3,200,862us-gaap_StockholdersEquity