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v3.19.2

Segment and Geographic information Location and Net Book Value of Long-Lived Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jun. 30, 2018
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
PropertyPlantEquipmentAndLandUseRights | $ 409,737 | $ 331,656
China |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
PropertyPlantEquipmentAndLandUseRights | 321,145 | 248,003
United States |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
PropertyPlantEquipmentAndLandUseRights | 87,817 | 83,040
Other countries |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
PropertyPlantEquipmentAndLandUseRights | $ 775 | $ 613

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- Definition Amount after accumulated depreciation, depletion and amortization of property, plant equipment, and land use rights + References No definition available. + Details
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Namespace Prefix: | aosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- 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
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- Details
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Data Type: | na
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Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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