v2.4.1.9

Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets [Line Items] |  |
Cost | $ 5,708 us-gaap_FiniteLivedIntangibleAssetsGross | $ 5,216 us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization | 2,953 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | 1,716 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Net | 2,755 us-gaap_FiniteLivedIntangibleAssetsNet | 3,500 us-gaap_FiniteLivedIntangibleAssetsNet
Member List [Member] |  |
Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets [Line Items] |  |
Cost | 1,670 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_MemberListMember | 1,670 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_MemberListMember
Accumulated Amortization | 394 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_MemberListMember | 122 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_MemberListMember
Net | 1,276 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_MemberListMember | 1,548 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_MemberListMember
Weighted-Average Remaining Amortization Period (in years) | 4 years 219 days | 5 years 219 days
Content [Member] |  |
Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets [Line Items] |  |
Cost | 140 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | 140 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Accumulated Amortization | 66 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | 12 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Net | 74 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember | 128 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_MediaContentMember
Weighted-Average Remaining Amortization Period (in years) | 1 year 219 days | 2 years 219 days
Core Technology [Member] |  |
Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets [Line Items] |  |
Cost | 110 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_CoreTechnologyMember | 110 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_CoreTechnologyMember
Accumulated Amortization | 52 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_CoreTechnologyMember | 16 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_CoreTechnologyMember
Net | 58 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_CoreTechnologyMember | 94 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_CoreTechnologyMember
Weighted-Average Remaining Amortization Period (in years) | 1 year 219 days | 2 years 219 days
Data Acquisition Costs [Member] |  |
Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets [Line Items] |  |
Cost | 3,488 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_DataAcquisitionCostsMember | 3,296 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_DataAcquisitionCostsMember
Accumulated Amortization | 2,358 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_DataAcquisitionCostsMember | 1,566 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_DataAcquisitionCostsMember
Net | 1,130 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_DataAcquisitionCostsMember | 1,730 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = angi_DataAcquisitionCostsMember
Weighted-Average Remaining Amortization Period (in years) | 1 year 73 days | 1 year 73 days
Other Intangible Assets [Member] |  |
Goodwill and Amortizable Intangible Assets (Details) - Intangible Assets [Line Items] |  |
Cost | 300 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Accumulated Amortization | 83 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Net | $ 217 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Weighted-Average Remaining Amortization Period (in years) | 2 years 73 days |

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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