v3.7.0.1

Commitments and Contingencies Commitments and Contingencies (Details)	Jul. 18, 2017 claim	Apr. 20, 2016 plaintiff claim
Williams, et al. [Member]
Number of new/amended complaints filed		6
Crabtree [Member]
Number of new/amended complaints filed		1
Number of plaintiffs in claim | plaintiff		3
Paul Parshall [Member] | Subsequent Event [Member]
Number of new/amended complaints filed	2

X

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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X

- Details

Name:	us-gaap_LitigationCaseAxis=angi_CrabtreeMember
Namespace Prefix:
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Period Type:

X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: