LAND USE RIGHT, NET - Summary of Future Amortization (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Annual Amortization of Land use Right [Abstract]
remainder of 2023	$ 88
2024	176
2025	176
2026	176
2027 and thereafter	7,674
Land use right, net	$ 8,290	$ 8,692

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

No definition available.

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

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

No definition available.

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

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

No definition available.

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

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

No definition available.

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

Annual Amortization of Land use Right [Abstract]

No definition available.

Name:	acmr_AnnualAmortizationOfLandUseRightAbstract
Namespace Prefix:	acmr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

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

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

No definition available.