LAND USE RIGHT, NET - Summary of Future Amortization (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Annual Amortization of Land use Right [Abstract]
Remainder of 2023	$ 44
2024	178
2025	178
2026	178
2027	178
2028	178
2029 and thereafter	7,365
Land use right, net	$ 8,299	$ 8,692

Amortization of Land Use Right Due After Year Five

No definition available.

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- Definition

Amount of annual amortization expense for land use right, expected to be recognized in next twelve months following current fiscal year.

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No definition available.

+ Details

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- Definition

Amount of annual amortization expense for land use right, expected to be recognized in reminder of fiscal year of following current fiscal year.

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No definition available.

+ Details

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- Definition

Amortization of Land Use Right Due Year Five

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No definition available.

+ Details

Name:	acmr_AmortizationOfLandUseRightDueYearFive
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Period Type:	instant

- Definition

Amount of annual amortization expense for land use right, expected to be recognized in third fiscal year following current fiscal year.

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No definition available.

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Period Type:	instant

- Definition

Amount of annual amortization expense for land use right, expected to be recognized in second fiscal year following current fiscal year.

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No definition available.

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Name:	acmr_AmortizationOfLandUseRightDueYearTwo
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Data Type:	xbrli:monetaryItemType
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- Definition

Annual Amortization of Land use Right [Abstract]

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No definition available.

+ Details

Name:	acmr_AnnualAmortizationOfLandUseRightAbstract
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- Definition

Amount of annual amortization expense for land use right, expected to be recognized in fourth fiscal year following current fiscal year.

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No definition available.

+ Details

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Period Type:	instant

- Definition

Land use right represents the cost to purchase land use right.

+ References

No definition available.

+ Details

Name:	acmr_LandUseRightNet
Namespace Prefix:	acmr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant