Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents		$ 260,387	$ 247,951
Restricted cash		460	500
Short-term time deposits (note 2)		2,999	70,492
Trading securities (note 15)		12,733	20,209
Accounts receivable (note 4)		186,130	182,936
Other receivables		36,178	29,617
Inventories (note 5)		473,299	393,172
Advances to related party (note 16)		2,306	3,322
Prepaid expenses		19,319	15,607
Total current assets		993,811	963,806
Property, plant and equipment, net (note 6)		149,904	82,875
Land use right, net (note 7)		8,761	8,692
Operating lease right-of-use assets, net (note 11)		7,408	2,489
Intangible assets, net		1,233	1,255
Long-term time deposits (note 2)		117,855	101,956
Deferred tax assets (note 19)		13,035	6,703
Long-term investments (note 14)		17,265	17,459
Other long-term assets (note 8)		3,479	50,265
Total assets		1,312,751	1,235,500
Current liabilities:
Accounts payable		116,558	101,735
Other payables and accrued expenses (note 10)		52,966	52,201
Advances from customers		180,453	153,773
Current portion of operating lease liability (note 11)		3,013	1,382
Deferred revenue		4,400	4,174
Short-term borrowings (note 9)		56,745	56,004
Current portion of long-term borrowings (note 12)		2,369	2,322
Income taxes payable (note 19)		8,579	3,469
FIN-48 payable (note 19)		6,774	6,686
Related party accounts payable (note 16)		18,354	14,468
Total current liabilities		450,211	396,214
Long-term borrowings (note 12)		18,245	18,687
Long-term operating lease liability (note 11)		4,395	1,107
Other long-term liabilities (note 13)		7,195	7,321
Total liabilities		480,046	423,329
Commitments and contingencies (note 20)
Equity:
Additional paid-in capital		606,398	604,089
Retained earnings		101,410	94,426
Statutory surplus reserve (note 22)		16,881	16,881
Accumulated other comprehensive loss		(32,768)	(40,546)
Total ACM Research, Inc. stockholders’ equity		691,927	674,856
Non-controlling interests		140,778	137,315
Total equity		832,705	812,171
Total liabilities and equity		1,312,751	1,235,500
Class A Common Stock
Equity:
Common stock	[1]	5	5
Class B Common Stock
Equity:
Common stock	[1]	$ 1	$ 1

[1] Prior period results reflect the three-for-one stock split effected in the form of a stock dividend in March 2022. See Note 1 for details.