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Balance Sheet Components - Other long term assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
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

X

- Definition

Custom deposit non current

+ References

No definition available.

+ Details

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Namespace Prefix:	aosl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Deposits With Supplier

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Investments in Privately Held Companies

+ References

No definition available.

+ Details

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Namespace Prefix:	aosl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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

X

- Definition

Prepayment for Property and Equipment

+ References

No definition available.

+ Details

Name:	aosl_PrepaymentForPropertyAndEquipment
Namespace Prefix:	aosl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

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Balance Type:	na
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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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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

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X

- 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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Balance Type:	debit
Period Type:	instant