Liberty Broadband Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Notes Tables
Notes Details

Basis of Presentation (Details)

v3.7.0.1

Basis of Presentation (Details) - USD ($)		3 Months Ended
Basis of Presentation (Details) - USD ($)	Dec. 31, 2015	Mar. 31, 2017	Mar. 31, 2016	May 18, 2016	Feb. 28, 2014
Voting interest acquired (as a percent)				25.01%
Accounting Standards Update 2016-09
Cumulative effect of accounting change at Charter		$ 17,360,000
Excess Tax Benefit from Share-based Compensation, Operating Activities		0
Liberty
Related Party Transaction, Amounts of Transaction		$ 746,000	$ 1,000,000
Retained earnings \| Accounting Standards Update 2016-09
Cumulative effect of accounting change at Charter	$ 0
Skyhook \| Skyhook Wireless, Inc.
Voting interest acquired (as a percent)					100.00%
Customer concentration \| Revenue
Concentration Risk, Percentage		67.00%	70.00%
Customer concentration \| Revenue \| Minimum \| Skyhook
Concentration Risk, Percentage	80.00%
Customer concentration \| Revenue \| Maximum \| Skyhook
Concentration Risk, Percentage	90.00%

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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