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

Related Party Transactions (Details)

v3.8.0.1

Related Party Transactions (Details) - USD ($)		1 Months Ended		12 Months Ended
Related Party Transactions (Details) - USD ($)	Jul. 11, 2016	Feb. 02, 2015	Jan. 31, 2001	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2001	Apr. 30, 2008	Dec. 31, 1991
Related Party Transaction [Line Items]
Value of stock repurchased				$ 12,293,000	$ 58,679,000	$ 53,774,000
Immediate Family Member of Management or Principal Owner \| Property
Related Party Transaction [Line Items]
Capital lease obligations									$ 900,000
Immediate Family Member of Management or Principal Owner \| Capital Lease Obligation Addition
Related Party Transaction [Line Items]
Capital lease obligations								$ 1,300,000
Chief Executive Officer \| Second Aircraft
Related Party Transaction [Line Items]
Termination period on lease			12 months
Monthly lease payment			$ 132,000
Capital lease deposit							$ 1,500,000
Deposit termination period							6 months
ACS
Related Party Transaction [Line Items]
Payments to related party		$ 6,200,000
Receipts from related parties		$ 8,100,000
Class A-1 Common Stock \| Investor
Related Party Transaction [Line Items]
Number of shares repurchased	1,000,000
Value of stock repurchased	$ 16,100,000

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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