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Balance Sheet Components - Other long term assets (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Jun. 30, 2021
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Balance Sheet Related Disclosures [Abstract] |  |
Prepayments for property and equipment | $ 6,890 | $ 14,882
Investments in privately held companies | 100 | 100
Customs deposit | 1,708 | 1,120
Deposit with supplier | 6,396 | 0
Other long-term deposits | 18 | 927
Office leases deposits | 1,012 | 1,100
Other | 1,553 | 740
Other long-term assets | $ 17,677 | $ 18,869

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- Definition Custom deposit non current + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Deposits With Supplier + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Investments in Privately Held Companies + References No definition available. + Details
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Balance Type: | debit
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- Definition Office Lease Deposit Assets, Noncurrent + 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 Prepayment for Property and Equipment + References No definition available. + Details
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Namespace Prefix: | aosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- References No definition available. + Details
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- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. + References No definition available. + Details
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- Definition Amount of noncurrent assets classified as other. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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