Stock-Based Compensation (Details) (USD $)
|
12 Months Ended | |
---|---|---|
Dec. 31, 2014
|
Nov. 03, 2014
|
|
Awards | ||
Options | ||
Outstanding beginning balance (in shares) |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember |
|
Outstanding ending balance (in shares) |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember |
|
Transitional Plan | Awards | ||
Stock Based Compensation | ||
Number of authorized shares |
2,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_TransitionalStockAdjustmentPlanMember |
|
2014 Plan | Awards | ||
Stock Based Compensation | ||
Number of authorized shares |
8,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member |
|
Fair value assumptions | ||
Dividend rate |
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member |
|
2014 Plan | Awards | Class A common stock | ||
Options | ||
Broadband Spin-Off adjustment (in shares) |
846,000lbrda_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdjustedAtSpinOff / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
Exercised (in shares) |
(39,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
Outstanding ending balance (in shares) |
807,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
Number of awards exercisable (in shares) |
680,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
WAEP Broadband Spin-Off adjustment (in dollars per share) |
32.21lbrda_ShareBasedCompensationArrangmentsByShareBasedPaymentAwardOptionsAdjustedForSpinOff / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
WAEP options exercised (in dollars per share) |
32.16us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
WAEP Outstanding ending balance (in dollars per share) |
32.21us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
WAEP options exercisable (in dollars per share) |
31.92us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
Weighted average remaining contractual life outstanding | 4 years 2 months 12 days | |
Weighted average remaining contractual life exercisable | 4 years 1 month 6 days | |
Aggregate intrinsic value outstanding |
14,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
Aggregate intrinsic value exercisable |
12,000,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
|
2014 Plan | Awards | Class C common stock | ||
Options | ||
Broadband Spin-Off adjustment (in shares) |
1,709,000lbrda_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdjustedAtSpinOff / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
Options granted (in shares) |
1,507,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
Exercised (in shares) |
(79,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
Outstanding ending balance (in shares) |
3,137,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
Number of awards exercisable (in shares) |
1,373,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
WAEP Broadband Spin-Off adjustment (in dollars per share) |
32.22lbrda_ShareBasedCompensationArrangmentsByShareBasedPaymentAwardOptionsAdjustedForSpinOff / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
WAEP Options granted (in dollars per share) |
48.10us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
WAEP options exercised (in dollars per share) |
32.50us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
WAEP Outstanding ending balance (in dollars per share) |
39.85us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
WAEP options exercisable (in dollars per share) |
31.92us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
Weighted average remaining contractual life outstanding | 7 years | |
Weighted average remaining contractual life exercisable | 4 years 1 month 6 days | |
Aggregate intrinsic value outstanding |
31,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
Aggregate intrinsic value exercisable |
25,000,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
|
2014 Plan | Options | ||
Stock Based Compensation | ||
Distribution ratio considered to determine exercise price and number of shares (as a percent) |
0.25%lbrda_ShareBasedCompensationArrangementByShareBasedPaymentAwardDividendRatioConsideredToDetermineExercisePriceAndNumberOfShares / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member |
|
Options | ||
Aggregate intrinsic value exercises |
1,800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member |
|
2014 Plan | Options | Class B common stock | ||
Options | ||
Outstanding ending balance (in shares) |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember |
|
2014 Plan | Options | Class C common stock | Tranche Three | ||
Stock Based Compensation | ||
Vesting period | 2 years | |
Weighted average grant date fair value (in dollars per share) |
13.62us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheThreeMember |
|
Options | ||
Options granted (in shares) |
7,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheThreeMember |
|
2014 Plan | Options | Class C common stock | CEO | ||
Stock Based Compensation | ||
Weighted average grant date fair value (in dollars per share) |
16.80us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember |
|
Options | ||
Options granted (in shares) |
1,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember |
|
2014 Plan | Options | Class C common stock | CEO | Tranche One | ||
Stock Based Compensation | ||
Vesting percentage |
50.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheOneMember |
|
2014 Plan | Options | Class C common stock | CEO | Tranche Two | ||
Stock Based Compensation | ||
Vesting percentage |
50.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember / us-gaap_VestingAxis = us-gaap_ShareBasedCompensationAwardTrancheTwoMember |
|
2014 Plan | Minimum | Awards | ||
Stock Based Compensation | ||
Vesting period | 4 years | |
Term of awards | 7 years | |
Fair value assumptions | ||
Expected term | 5 years 1 month 6 days | |
Volatility rate |
28.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_RangeAxis = us-gaap_MinimumMember |
|
2014 Plan | Maximum | Awards | ||
Stock Based Compensation | ||
Vesting period | 5 years | |
Term of awards | 10 years | |
Fair value assumptions | ||
Expected term | 7 years 3 months 18 days | |
Volatility rate |
28.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = lbrda_EmployeeStockOptionsAndStockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = lbrda_OmnibusIncentivePlan2014Member / us-gaap_RangeAxis = us-gaap_MaximumMember |
X | ||||||||||
- Definition
Represents the dividend ratio considered to determine exercise price and number of shares under the share-based compensation arrangement. No definition available.
|
X | ||||||||||
- Definition
The number of share options (or share units) adjusted due to the Spin-Off during the period. No definition available.
|
X | ||||||||||
- Definition
Weighted average per share amount of share options adjusted for the Spin-Off. No definition available.
|
X | ||||||||||
- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Percentage of vesting of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Gross number of share options (or share units) granted during the period. No definition available.
|
X | ||||||||||
- Definition
Weighted average grant-date fair value of non-vested options outstanding. No definition available.
|
X | ||||||||||
- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
|
X | ||||||||||
- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
X | ||||||||||
- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|