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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Notes Tables
Notes Details
Uncategorized
- Uncategorized Items - gliba-20200331.htm

Assets and Liabilities Measured at Fair Value - (Narrative) (Details)

v3.20.1

Assets and Liabilities Measured at Fair Value - (Narrative) (Details)		3 Months Ended
	Apr. 29, 2019 $ / shares $ / unit shares	Mar. 31, 2020 USD ($) shares	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity		$ 5,615,114,000	$ 4,948,982,000	$ 6,210,284,000	$ 4,306,690,000
Exchangeable Senior Debentures \| 1.75% Exchangeable Debentures \| Indemnification obligation \| LI LLC
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate		1.75%
Exchangeable instrument, shares outstanding (in shares) \| shares		332,241
Senior Debt Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Change in fair value		$ 52,300,000	$ 4,000,000.0
Senior Debt Obligations [Member] \| Accumulated Gain (Loss), Financial Liability, Fair Value Option, Including Portion Attributable to Noncontrolling Interest
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Option, Cumulative Unrealized Gain (Loss) Arising During Period, before Tax		$ 46,800,000
LendingTree
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Variable forward contract (in shares) \| shares	642,850
LendingTree \| Derivative instrument liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Variable forward contract, term	3 years
Variable forward contract, closing price (in dollars per share) \| $ / shares	$ 376.35
Variable forward contract, floor price (in dollars per share) \| $ / unit	0
Variable forward contract, cap price (in dollars per share) \| $ / unit	254.00

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