LAND USE RIGHT, NET - Summary of Land Use Right (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Land Use Right, Net [Abstract]
Land use right purchase amount	$ 8,875	$ 9,149
Less: accumulated amortization	(576)	(457)
Land use right, net	$ 8,299	$ 8,692

The carrying amount as of the balance sheet date of land not owned but under a contract in which the entity has an option to purchase the land.

No definition available.

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