Liberty Broadband Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Business and Summary of Significant Accounting Principles (Policies)
Notes Tables
Notes Details

Intangible Assets and Goodwill (Rollforward) (Details)

v2.4.1.9

Intangible Assets and Goodwill (Rollforward) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jul. 23, 2013	Jul. 22, 2013
Goodwill [Roll Forward]
Goodwill beginning balance	$ 219,041us-gaap_Goodwill	$ 77,294us-gaap_Goodwill
Goodwill ending balance	229,560us-gaap_Goodwill	219,041us-gaap_Goodwill	77,294us-gaap_Goodwill
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	71,435us-gaap_FiniteLivedIntangibleAssetsNet	16,560us-gaap_FiniteLivedIntangibleAssetsNet
Asset additions	11,593	61,919
Amortization expense	9,715us-gaap_AmortizationOfIntangibleAssets	7,044us-gaap_AmortizationOfIntangibleAssets	5,227us-gaap_AmortizationOfIntangibleAssets
Ending Balance	66,015us-gaap_FiniteLivedIntangibleAssetsNet	71,435us-gaap_FiniteLivedIntangibleAssetsNet	16,560us-gaap_FiniteLivedIntangibleAssetsNet
ACS
Goodwill [Roll Forward]
Goodwill beginning balance				148,948	148,900
Goodwill acquired during period	8,866	140,080
Goodwill ending balance				148,948	148,900
Finite-lived Intangible Assets [Roll Forward]
Purchase price adjustment	(7,298)
Denali Media Holdings
Goodwill [Roll Forward]
Goodwill acquired during period	$ 1,653	$ 1,667

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for purchase accounting adjustments.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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