Annual report pursuant to Section 13 and 15(d)

Basis of Presentation (Details)

v2.4.1.9
Basis of Presentation (Details)
0 Months Ended
Oct. 29, 2014
Dec. 10, 2014
Broadband Spin-Off Distribution Ratio 0.25lbrda_Lbrda_spinOffDistributionRatio  
Class C common stock    
Subscription rights distribution ratio   0.20lbrda_SubscriptionRightsDistributionRatio
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember