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Commitments and Contingencies - Additional Information (Details) $ in Millions | Apr. 06, 2016 USD ($)
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City of Warren Police and Fire Retirement System v. A10 Networks [Member] |
Other Commitments [Line Items] |
Settlement awarded against entity | $ 0.8

X
- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LitigationCaseAxis=aten_CityofWarrenPoliceandFireRetirementSystemv.A10NetworksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |