Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue (note 3)	$ 215,372	$ 202,480	$ 387,719	$ 354,671
Cost of revenue, including cost of revenue from related parties of $16,518 and $25,917 for the three and six months ended June 30, 2025, respectively and $9,637 and $16,867 for the three and six months ended June 30, 2024, respectively (note 13)	110,911	105,696	200,708	178,766
Gross profit	104,461	96,784	187,011	175,905
Operating expenses:
Sales and marketing	22,102	17,135	38,445	31,308
Research and development	33,817	25,968	61,320	49,886
General and administrative	16,848	16,088	29,775	31,886
Total operating expenses	72,767	59,191	129,540	113,080
Income from operations	31,694	37,593	57,471	62,825
Interest income	4,013	2,381	7,352	4,155
Interest expense	(1,757)	(932)	(3,315)	(1,715)
Realized gain on short-term investments (note 12)	54	0	54	273
Unrealized gain (loss) on short-term investments (note 12)	2,730	1,031	1,648	(1,564)
Other (expense) income, net	(346)	1,357	(608)	4,437
Income (loss) from equity method investments	1,773	(695)	2,725	(1,215)
Income before income taxes	38,161	40,735	65,327	67,196
Income tax expense (note 16)	(1,891)	(9,336)	(4,044)	(13,705)
Net income	36,270	31,399	61,283	53,491
Less: Net income attributable to non-controlling interests	6,510	7,189	11,143	11,848
Net income attributable to ACM Research, Inc.	29,760	24,210	50,140	41,643
Comprehensive income:
Net income	36,270	31,399	61,283	53,491
Foreign currency translation adjustment, net of tax of nil	3,905	116	5,655	(6,713)
Comprehensive income	40,175	31,515	66,938	46,778
Less: Comprehensive income attributable to non-controlling interests	7,250	7,210	12,207	10,616
Comprehensive income attributable to ACM Research, Inc.	$ 32,925	$ 24,305	$ 54,731	$ 36,162
Net income attributable to ACM Research, Inc. per share of common stock (note 2):
Basic (in dollars per share)	$ 0.47	$ 0.39	$ 0.79	$ 0.67
Diluted (in dollars per share)	$ 0.44	$ 0.35	$ 0.74	$ 0.61
Weighted average shares of common stock outstanding used in computing per share amounts (note 2):
Basic (in shares)	63,968,763	62,178,369	63,620,235	61,772,776
Diluted (in shares)	67,464,856	67,057,846	67,138,338	66,520,706