Equity Method Investment, Number of Appointments to Board of Directors

No definition available.

Name:	aosl_EquityMethodInvestmentNumberOfAppointmentsToBoardOfDirectors
Namespace Prefix:	aosl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Method Investment, Number of Directors

+ References

No definition available.

+ Details

Name:	aosl_EquityMethodInvestmentNumberOfDirectors
Namespace Prefix:	aosl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Simple Annual Interest Rate to Noncontrolling Interest if Joint Venture is Early Terminated and Liquidated

+ References

No definition available.

+ Details

Name:	aosl_SimpleAnnualInterestRatetoNoncontrollingInterestifJointVentureisEarlyTerminatedandLiquidated
Namespace Prefix:	aosl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_CorporateJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=aosl_ThirdPartyInvestorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=aosl_FacilityinLiangjiangNewAreaofChongqingtheJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=aosl_ThirdPartyInvestorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=aosl_EmployeeIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=aosl_EmployeeIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=aosl_ChongqingFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

The Company and Significant Accounting Policies - Joint Venture Narrative (Details) $ in Thousands, ¥ in Millions										1 Months Ended		12 Months Ended
	Jun. 30, 2022	Jan. 26, 2022 USD ($)	Jan. 26, 2022 CNY (¥)	Dec. 31, 2021	Dec. 24, 2021 USD ($)	Dec. 24, 2021 CNY (¥)	Dec. 02, 2021 director	Dec. 01, 2021	Nov. 30, 2021 director	Dec. 31, 2021 USD ($)	Dec. 31, 2021 CNY (¥)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Related Party Transaction [Line Items]
Joint venture cumulative percentage ownership after all transactions		42.20%	42.20%
Proceeds from sale of equity interest in the JV Company \| $												$ 26,347	$ 0	$ 0
Equity Method Investment, Number of Appointments to Board of Directors \| director							3		4
Equity Method Investment, Number of Directors \| director							7
Corporate Joint Venture
Related Party Transaction [Line Items]
Joint venture cumulative percentage ownership after all transactions	42.20%			45.80%			48.80%		50.90%
Proceeds from sale of equity interest in the JV Company \| $										$ 16,924
Third Party Investors \| Corporate Joint Venture
Related Party Transaction [Line Items]
Proceeds from sale of equity interest in the JV Company		$ 80,000	¥ 509.0		$ 9,400	¥ 60.0				$ 16,900	¥ 108.0
Facility in Liangjiang New Area of Chongqing (the 'Joint Venture')
Related Party Transaction [Line Items]
Simple annual interest rate to noncontrolling interest if joint venture is early terminated and liquidated	10.00%
Third Party Investors
Related Party Transaction [Line Items]
Joint venture cumulative percentage ownership after all transactions		42.20%	42.20%
Third Party Investors \| Third Party Investors \| Corporate Joint Venture
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage		7.82%	7.82%		1.10%	1.10%		2.10%
Proceeds from sale of equity interest in the JV Company		$ 80,000	¥ 509.0
Third Party Investors \| Employee Incentive Plan \| Corporate Joint Venture \| Employee Incentive Plan
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage					3.99%	3.99%
Parent Company \| Facility in Liangjiang New Area of Chongqing (the 'Joint Venture')
Related Party Transaction [Line Items]
Joint venture cumulative percentage ownership after all transactions								51.00%
Chongqing Funds \| Facility in Liangjiang New Area of Chongqing (the 'Joint Venture')
Related Party Transaction [Line Items]
Joint venture cumulative percentage ownership after all transactions				45.80%				49.00%