LAND USE RIGHT, NET - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2020	Jul. 31, 2020 ft²
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Amortization | $	$ 38	$ 50	$ 88	$ 99
ACM Research (Lingang), Inc. (1)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Right to use land lease term					50 years
Area for development and production center | ft²						1,000,000