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