v2.4.1.9
Stock-Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jul. 31, 2014
Aug. 31, 2011
Stock-Based Compensation (Details) [Line Items]          
Number of Shares Authorized (in Shares)       13,753,277us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized 5,090,496us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Common Stock Reserved for Future Issuance (in Shares) 11,855,060us-gaap_CommonStockCapitalSharesReservedForFutureIssuance        
Number of Shares Available for Grant (in Shares) 6,416,163us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant        
Share-based Payment Award Term 10 years        
Share-based Payment Award Vesting Period 4 years        
Weighted Average Grant Date Fair Value (in Dollars per share) $ 5.12us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 9.38us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue      
Intrinsic Value of Options Exercised in Period $ 456us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue $ 7,376us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue $ 297us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue    
Compensation Cost Not yet Recognized 21,227us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized        
Period for Recognition of Compensation Cost Not yet Recognized 2 years 318 days        
Stock and Member Unit Options [Member]          
Stock-Based Compensation (Details) [Line Items]          
Allocated Share-based Compensation Expense $ 7,889us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= angi_StockAndMemberUnitOptionsMember
$ 4,064us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= angi_StockAndMemberUnitOptionsMember
$ 2,943us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= angi_StockAndMemberUnitOptionsMember