Weighted Average Remaining Lease Terms and Discount Rates for Operating Leases Lessee, Operating Lease, Weighted Average Remaining Lease Term and Discount Rate [Table Text Block] Tabular disclosure of weighted average remaining lease terms and discount rates for operating leases. Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Damages awarded Loss Contingency, Damages Awarded, Value Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Research and development Research and Development Expense Net changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Supplemental cash flow information related to operating leases [Abstract] Supplemental Cash Flow Information Related to Operating Leases [Abstract] Supplemental Cash Flow Information Related to Operating Leases [Abstract] Award Type [Domain] Award Type [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Investment, Name [Domain] Investment, Name [Domain] Repayments of short-term borrowings Repayments of Short-Term Debt Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Number of outstanding legal proceedings Number of Outstanding Legal Proceedings Number of outstanding legal proceeding regarding securities class action. Components of Trading Securities Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] Concentration of Credit Risk [Abstract] Concentration of Credit Risk [Abstract] Concentration of Credit Risk [Abstract] Insider Trading Policies and Procedures [Line Items] Vested and exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Supplemental Cash Flow Information Related to Operating Leases Lessee Operating Lease Supplemental Cash Flow Information Related to Operating Leas [Table Text Block] Tabular disclosure of lessee's operating lease supplemental cash flow information. Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Five Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] COMMON STOCK Equity [Text Block] Other long-term assets Increase (Decrease) in Other Noncurrent Assets Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Inventory write-down Inventory Write-down DESCRIPTION OF BUSINESS Business Description and Basis of Presentation [Text Block] Expected dividend rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Statutory Accounting Practices [Table] Statutory Accounting Practices [Table] Accrued Lingang construction fees Accrued Construction Fees, Current Accrued Construction Fees, Current Customer [Axis] Customer [Axis] Land Use Rights Land Use Rights, Net [Table Text Block] Tabular disclosure of land use rights, net. Current liabilities: Liabilities, Current [Abstract] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Diluted (in dollars per share) Diluted (in dollars per share) Earnings Per Share, Diluted Accounts receivable (note 4) Accounts receivable Total Accounts Receivable, after Allowance for Credit Loss, Current Trading Symbol Trading Symbol Purchase of long-term investment (Note 14) Payments to Acquire Equity Method Investments Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Cost Debt Securities, Trading, Amortized Cost Transportation equipment Transportation Equipment [Member] Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Repayments of long-term borrowings Repayments of Long-term Borrowing The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. LONG-TERM INVESTMENT long-term investment [Text Block] The entire disclosure for long-term investment. Equity: Equity, Attributable to Parent [Abstract] Others Other Assets, Miscellaneous, Noncurrent Basic and Diluted Net Income per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Executive Category: Executive Category [Axis] Subsidies to CO2 Technology, commenced in 2022 Subsidies to CO2 Technology [Member] Subsidies to CO2 Technology SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Trading securities (note 15) Marketable Securities, Current Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Equity Components [Axis] Equity Components [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Investment Type [Axis] Investment Type [Axis] 2025 Long-Term Debt, Maturity, Year Two Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Entity Small Business Entity Small Business Investments [Domain] Investments [Domain] Local Phone Number Local Phone Number Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Accrued machine testing fees Accrued Machine Testing Fees, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for machine testing fees. SMIC Semiconductor Manufacturing International Corporation [Member] Name of the companies a Chinese limited partnership. Accounts Receivable Accounts Receivable [Member] Long-Term Investments [Line Items] Long-Term Investments [Line Items] Long-Term Investments [Line Items] Line of Credit, due on August 15,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 15,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 15,2023 with an annual interest rate of 3.50%. Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Market value Debt Securities, Trading Securities, Equity The market value of investments in trading equity securities and other forms of trading securities that provide ownership interests. Ninebell Ninebell Co., Ltd [Member] Name of related party. Debt Securities, Trading, Unrealized Gain (Loss) [Abstract] Debt Securities, Trading, Unrealized Gain (Loss) [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Long-Term Borrowings Schedule of Long-Term Debt Instruments [Table Text Block] Conversion of Class B common stock to Class A common stock Stock Issued During Period, Value, Conversion of Units Land use right purchase amount Land use Right, Purchase Amount 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. Line of Credit, due on July 21,2023 with an annual interest rate of 3.50%. Line of Credit, due on July 21,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on July 21,2023 with an annual interest rate of 3.50%. China Merchant Bank, Deposits, Maturing on January 29, 2023 China Merchant Bank, Deposits, Maturing on January 29, 2023 [Member] The deposit in China Merchant Bank which will mature on January 29, 2023 with an annual interest rate of 2.25%. Income taxes payable (note 19) Accrued Income Taxes, Current Other Payables and Accrued Expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Short-Term Debt [Line Items] Short-Term Debt [Line Items] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Other payables and accrued expenses Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Research and development expense Research and Development Expense [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Award Type [Axis] Award Type [Axis] Document Quarterly Report Document Quarterly Report Increase in revenue Increase (Decrease) In Revenue Increase (Decrease) In Revenue Line of Credit up to RMB 100,000 from China Merchants Bank, Line of Credit up to RMB 100,000 from China Merchants Bank, [Member] Line of Credit up to RMB 100,000 from China Merchants Bank, Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] General and administrative expense General and Administrative Expense [Member] Accrued machine sales fees Accrued Machine Sales Fees, Current Accrued Machine Sales Fees, Current Property cost Property, Plant and Equipment, Gross Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] RELATED PARTY BALANCES AND TRANSACTIONS Related Party Transactions Disclosure [Text Block] Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Buildings and plants Buildings and Plants [Member] Facility held for productive use including, but not limited to, office, production, storage and distribution facilities and plant used in the operations of the entity. Income Tax Benefit (Expense) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] LAND USE RIGHT, NET [Abstract] LAND USE RIGHT, NET [Abstract] LAND USE RIGHT, NET [Abstract] Current portion of operating lease liability (note 11) Operating Lease, Liability, Current Prepaid expenses Prepaid Expense, Current Single wafer cleaning, Tahoe and semi-critical cleaning equipment Total Single Wafer and Semi-Critical Cleaning Equipment [Member] Goods and Services produced, developed and distributed by the entity. Yusheng Micro Semiconductor (Shanghai) Co., Ltd Yusheng Micro Semiconductor (Shanghai) Co., Ltd [Member] Yusheng Micro Semiconductor (Shanghai) Co., Ltd 2026 Lessee, Operating Lease, Liability, to be Paid, Year Three Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Recently Adopted Accounting Pronouncements And Recent Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Intangible assets, net Finite-Lived Intangible Assets, Net Other TDSH Fund [Member] TDSH Fund Counterparty Name [Domain] Counterparty Name [Domain] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Two Cashless exercise of stock options Cashless Exercise of Stock Options Cashless exercise of stock options. Share price (in RMB per share) Sale of Stock, Price Per Share Interest income Investment Income, Interest Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Line of Credit, due on August 21,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 21,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 21,2023 with an annual interest rate of 3.50%. Gross profit Gross Profit Advances from customers Contract with Customer, Liability, Current Assumptions Used to Determine Fair Value of Options Granted Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] New Restrictions by U.S. Department of Commerce for PRC-based Semiconductor Producers [Abstract] New Restrictions by U.S. Department of Commerce for PRC-based Semiconductor Producers [Abstract] New Restrictions by U.S. Department of Commerce for PRC-based Semiconductor Producers [Abstract] Security Exchange Name Security Exchange Name Line of Credit, due on August 7,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 7,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 7,2023 with an annual interest rate of 3.50%. Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Employee Share Option Employee Stock Option Plan Employee Stock Option [Member] Maximum Maximum [Member] Unrecognized employee stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Type Document Type Line of Credit up to RMB 150,000 from China Everbright Bank Line of Credit up to RMB 150,000 from China Everbright Bank [Member] Line of Credit up to RMB 150,000 from China Everbright Bank Related Party Balances and Transactions Schedule of Related Party Transactions [Table Text Block] Increase in finished goods Increase (Decrease) in Finished Goods Inventory The increase (decrease) during the reporting period in the book value of finished goods inventory. Line of credit facility, interest rate during period Line of Credit Facility, Interest Rate During Period ACM Research (Wuxi), Inc. ACM Research (Wuxi), Inc. [Member] Entity owned or controlled by another entity. Tabular List, Table Tabular List [Table Text Block] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] STOCK-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Summary of Time Deposits Summary of Time Deposits [Table Text Block] Tabular disclosure of time deposit includes maturities of deposits and annual interest rate on deposits. Less: Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Customer Concentration Risk Customer Concentration Risk [Member] Land use Right [Abstract] Land use Right [Abstract] Land use Right [Abstract] Three Customers Three Customers [Member] Information by number of customers. Variable Rate [Axis] Variable Rate [Axis] Inventory [Line Items] Inventory [Line Items] Short-term time deposits (note 2) Deposits Assets, Current Forfeited/cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Title of 12(b) Security Title of 12(b) Security Related Party [Domain] Related Party, Type [Domain] Common Stock Split Stockholders' Equity, Policy [Policy Text Block] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Semiconductor Manufacturing International Corporation Semiconductor Manufacturing International Corp [Member] Entity owned or controlled by Semiconductor Manufacturing International Corporation. Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount TRADING SECURITIES Trading Securities [Text Block] The entire disclosure for trading securities. Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Lease cost Lease, Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Entity Interactive Data Current Entity Interactive Data Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] LONG-TERM BORROWINGS Long-Term Debt [Text Block] ACM Research (CA), Inc. ACM Research (CA), Inc. [Member] Entity owned or controlled by another entity. Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Measure: Measure [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Name Outstanding Recovery, Individual Name STATUTORY SURPLUS RESERVE Statutory Surplus Reserve [Text Block] The entire disclosure for statutory surplus reserve. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Two Customers Two Customers [Member] Information by number of customers. Counterparty Name [Axis] Counterparty Name [Axis] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Line of Credit, due on December 16, 2023 with an annual interest rate of 3.00% Line of Credit, due on December 16, 2023 with an annual interest rate of 3.00% [Member] Line of Credit, due on December 16, 2023 with an annual interest rate of 3.00% Operating cash outflow from operating leases Operating Lease, Payments Components of Stock-based Compensation Expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Common stock outstanding (in shares) Common Stock, Shares, Outstanding Income Taxes [Abstract] Income Tax Expense (Benefit), Continuing Operations [Abstract] Line of Credit, due on August 1,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 1,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 1,2023 with an annual interest rate of 3.50%. Other Assets, Noncurrent Disclosure [Abstract] Other Assets, Noncurrent Disclosure [Abstract] PEO PEO [Member] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Sale of Stock [Axis] Sale of Stock [Axis] Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Debt Instrument [Axis] Debt Instrument [Axis] Line Of Credit, due on August 17,2023 with an annual interest rate of 3.40% Line Of Credit, due on August 17,2023 with an annual interest rate of 3.40% [Member] Line Of Credit, due on August 17,2023 with an annual interest rate of 3.40% Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Shares converted Conversion of Stock, Shares Converted Principal Payments for Outstanding Long-Term Loan Schedule of Maturities of Long-Term Debt [Table Text Block] Total liabilities Liabilities Equity Investment Equity Investment [Member] Name of investment including named security. Expected volatility rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate PROPERTY, PLANT AND EQUIPMENT, NET Property, Plant and Equipment Disclosure [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Subsequent Event [Line Items] Subsequent Event [Line Items] Sales and marketing Selling and Marketing Expense Area for development and production center Area of Square Foot for Development and Production Center The construction project for a new project for the development and production center that will incorporate new manufacturing systems and automation technologies, and will provide floor space to support significantly increase production capacity and related research and development activities. General and administrative General and Administrative Expense Mainland China CHINA Accrued professional fees Accrued Professional Fees, Current Security deposit for land use right Security Deposit for Land Use Right Amount of security deposit for land use right paid in advance. Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Total current assets Assets, Current Short-Term Borrowings Schedule of Short-Term Debt [Table Text Block] Beginning balance Ending balance Stockholders' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Including Prior Period Adjustment Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Including Prior Period Adjustment Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] China Everbright Bank, Deposit, Maturing July 4, 2023 China Everbright Bank, Deposit, Maturing July 4, 2023 [Member] China Everbright Bank, Deposit, Maturing July 4, 2023 Investment in partnership Investment in Partnership The amount of investment in partnership. Line of Credit up to RMB 100,000 from Bank of Communications, Line of Credit up to RMB 100,000 from Bank of Communications, [Member] Line of Credit up to RMB 100,000 from Bank of Communications, Line of Credit up to RMB 40,000 from Bank of China, Line of Credit up to RMB 40,000 from Bank of China, [Member] Line of Credit up to RMB 40,000 from Bank of China, Basic and Diluted Net Income per Share of Common Stock Earnings Per Share, Policy [Policy Text Block] Percentage amount of shares offered from shares outstanding Percentage amount of shares offered from shares outstanding Percentage amount of shares offered from shares outstanding in reference to IPO. Concentration risk, percentage Concentration Risk, Percentage Line of Credit, due on August 3,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 3,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 3,2023 with an annual interest rate of 3.50%. Yangtze Memory Technologies Co. Yangtze Memory Technologies Co [Member] Entity owned or controlled by Yangtze Memory Technologies Co., Net cash flow used in operating activities Net Cash Provided by (Used in) Operating Activities Class of Stock [Axis] Class of Stock [Axis] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Basis of Presentation and Principles of Consolidation Basis of Presentation and Principles of Consolidation [Policy Text Block] Disclosure of accounting policy for basis of presentation and principles of consolidation, used to prepare the financial statements. Depreciation and amortization expense Depreciation, Depletion and Amortization Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Statutory surplus reserve (note 22) Statutory surplus reserve Statutory Accounting Practices, Statutory Capital and Surplus, Balance Long-lived assets Long-Lived Assets OTHER LONG-TERM ASSETS Other Assets, Non-Current Disclosure [Text Block] The entire disclosure for other noncurrent assets. Deferred revenue Increase (Decrease) in Deferred Revenue Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Interest or penalties Income Tax Examination, Penalties and Interest Expense China Hong Kong HONG KONG Foreign currency translation adjustment, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Accrued commissions Accrued Sales Commission, Current Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Name of subsidiaries Name of Subsidiary Name of entity owned or controlled by another entity. Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] Finished goods Inventory, Finished Goods, Gross Line of Credit, due on August 11,2023 with an annual interest rate of 3.60% Line of Credit, due on August 11,2023 with an annual interest rate of 3.60% [Member] Line of Credit, due on August 11,2023 with an annual interest rate of 3.60% 2024 Lessee, Operating Lease, Liability, to be Paid, Year One Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Title Trading Arrangement, Individual Title Cash, cash equivalents and restricted cash and time deposits Cash, Cash Equivalents and Restricted Cash and Time Deposits Amount of currency on hand as well as time deposits current and non current with banks or financial institutions. Common Stock Common Stock Common Stock [Member] Individual: Individual [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code David Wang [Member] David Wang Other payables and accrued expenses (note 10) Other payables and accrued expenses (note 10) Other Accounts Payable and Accrued Liabilities Income Statement Location [Domain] Income Statement Location [Domain] Line of Credit, due on September 20,2023 with an annual interest rate of 3.50%. Line of Credit, due on September 20,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on September 20,2023 with an annual interest rate of 3.50%. Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest ACM Research (Lingang), Inc. (1) Shengwei Research (Shanghai), Inc. [Member] Entity owned or controlled by another entity. Bank of Ningbo, Deposit, Maturing on February 17, 2024 Bank of Ningbo, Deposit, Maturing on February 17, 2024 [Member] The deposit in Bank of Ningbo which will mature on February 17, 2024 with an annual interest rate of 2.85%. Investments [Abstract] Investments [Abstract] Minimum Minimum [Member] Weighted average shares of common stock outstanding used in computing per share amounts (note 2): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property, plant and equipment, net (note 6) Total property, plant and equipment, net Property, Plant and Equipment, Net Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Capitalized interest charged as other long-term assets Interest Costs Capitalized Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Deferred tax assets (note 19) Deferred Income Tax Assets, Net COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Cash payments for procurement of goods and services Payments to Suppliers and Employees Retained Earnings Retained Earnings [Member] Current portion of long-term borrowings (note 12) Less: Current portion Long-Term Debt, Current Maturities Line of Credit, due on September 29,2023 with an annual interest rate of 3.50%. Line of Credit, due on September 29,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on September 29,2023 with an annual interest rate of 3.50%. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Basic (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic Accounting Policies [Abstract] Accounting Policies [Abstract] Sale of Stock [Domain] Sale of Stock [Domain] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Deferred tax assets Deferred Tax Assets, Net Long-Term Borrowings [Abstract] Long-Term Debt, Current and Noncurrent [Abstract] Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Loan Contract, Due on December 21, 2022 Loan Contract, Due on December 21, 2022 [Member] Loan Contract, Due on December 21, 2022 Accounts payable Increase (Decrease) in Accounts Payable South Korea KOREA, REPUBLIC OF Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Exercised (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award Options Exercised in Period Weighted Average Grant Date Fair Value Weighted average grant-date fair value of non-vested options exercised. All Trading Arrangements All Trading Arrangements [Member] Interest expense related to short-term borrowings Interest Expense, Short-Term Borrowings All Adjustments to Compensation All Adjustments to Compensation [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Realized gain from sale of trading securities Realized gain on trading securities Marketable Security, Realized Gain (Loss) Number of installments for loan repayable Number of Installments for Loan Repayable Number of installments for loan repayable to bank. Stock split ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Compensation Amount Outstanding Recovery Compensation Amount Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Other Long-term Liabilities [Abstract] Other Liabilities, Noncurrent [Abstract] SHORT-TERM BORROWINGS Short-Term Debt [Text Block] Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal), Including Foreign Currency Exchange Rate Accounts Receivable, Credit Loss Expense (Reversal), Including Foreign Currency Exchange Rate China Everbright Bank, Deposit, Maturing May 22, 2023 China Everbright Bank, Deposit, Maturing May 22, 2023 [Member] China Everbright Bank, Deposit, Maturing May 22, 2023 Deferred income taxes Deferred Income Tax Expense (Benefit) Subsequent Event Type [Axis] Subsequent Event Type [Axis] Proceeds from exercise of stock options Proceeds from Stock Options Exercised remainder of 2023 Amortization Of Land Use Right Due Remainder Of Fiscal Year Amount of annual amortization expense for land use right, expected to be recognized in reminder of fiscal year of following current fiscal year. Other receivables Increase (Decrease) in Other Receivables The Huali Huahong Group The Huali Huahong Group [Member] Entity owned or controlled by The Huali Huahong Group. Forfeited/cancelled (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Time Deposits [Abstract] Deposits [Abstract] Deferred revenue Deferred Income, Current Allowance for doubtful of accounts Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Dividends from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital 2024 Long-Term Debt, Maturity, Year One Fair value of common share (in dollars per share) Share Price Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Document Period End Date Document Period End Date Adoption Date Trading Arrangement Adoption Date Shengyi Shengyi Shengyi Semiconductor Technology Company Limited [Member] Name of the companies components suppliers. China Everbright Bank, Deposit, Maturing on January 29, 2023 China Everbright Bank, Deposit, Maturing on January 29, 2023 [Member] The deposit in China Everbright Bank which will mature on January 29, 2023 with an annual interest rate of 2.25%. Deposits Assets [Table] Deposits Assets [Table] Disclosure of information about deposit assets. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Subsidies to other cleaning tools, commenced in 2020 Subsidies to Other Cleaning Tools, Commenced in 2020 [Member] Subsidies to other cleaning tools, commenced in 2020. Loss on disposals of property, plant and equipment Gain (Loss) on Disposition of Property Plant Equipment Income tax expense (note 19) Total income tax benefit (expense) Total income tax benefit (expense) Income Tax Expense (Benefit) Lender Name [Axis] Lender Name [Axis] Prepayment for property - Zhangjiang New Building Prepayment for Property, Non Current Amount of property related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer. Equity [Abstract] Equity [Abstract] INVENTORIES Inventory Disclosure [Text Block] Weighted average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Other receivables Other Receivables, Net, Current Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest China Everbright Bank, Deposit, Maturing November 22, 2023 China Everbright Bank, Deposit, Maturing November 22, 2023 [Member] China Everbright Bank, Deposit, Maturing November 22, 2023 Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Estimated useful lives Property, Plant and Equipment, Useful Life Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Accounts Receivables and Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Other Long-Term Liabilities Other Noncurrent Liabilities [Table Text Block] Amortization Amortization of Ground Lease Amount of amortization of ground lease. REVENUE FROM CONTRACTS WITH CUSTOMERS Revenue from Contract with Customer [Text Block] Deposits Assets [Line Items] Deposits Assets [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Additional Paid-in Capital Additional Paid-in Capital [Member] Conversion of class B common stock to Class A common stock (in shares) Stock Issued During Period, Shares, Conversion of Units Increase in raw materials and work in process Increase (Decrease) in Raw Materials and Work in Process Inventory The increase (decrease) during the reporting period in the book value of raw materials inventory and work in process inventory. Equity income in net income of affiliates Equity income in net income of affiliates Income (Loss) from Equity Method Investments Revision of Prior Period [Axis] Revision of Prior Period [Axis] Cover [Abstract] Cover [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] ACCOUNTS RECEIVABLE Loans, Notes, Trade and Other Receivables Disclosure [Text Block] United States UNITED STATES Other long-term liabilities (note 13) Other long-term liabilities Other Liabilities, Noncurrent Interest costs incurred Interest Costs Incurred Total lease payments Lessee, Operating Lease, Liability, to be Paid Total operating expenses Operating Expenses SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Recent Restrictions by U.S. Department of Commerce, Japan and Netherlands for PRC-based Semiconductor Producers New Restrictions by U.S. Department of Commerce Assessment [Policy Text Block] Disclosure of accounting policy for new restrictions by U.S. Department of Commerce assessment. Equity Component [Domain] Equity Component [Domain] Fuping Chen [Member] Fuping Chen China Industrial Bank, Deposit, Maturing on January 30, 2023 China Industrial Bank, Deposit, Maturing on January 30, 2023 [Member] The deposit in China Industrial Bank which will mature on January 30, 2023 with an annual interest rate of 2.15%. Income Taxes [Table] Income Taxes [Table] Disclosure of information about income taxes. Contractual obligation Contractual Obligation Inventory impairment, period Inventory Impairment, Period Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Unrealized loss on trading securities Unrealized loss on trading securities Marketable Security, Unrealized Gain (Loss) Income from operations Operating Income (Loss) Time deposits, interest rate Time Deposits Interest Rate The interest rate on time deposits received during the reporting period. Line of Credit, due on August 26,2023 with an annual interest rate of 3.15%. Line of Credit, due on August 26,2023 with an annual interest rate of 3.15%. [Member] Line of Credit, due on August 26,2023 with an annual interest rate of 3.15%. Proceeds from issuance initial public offering Proceeds from Issuance Initial Public Offering Office equipment Office Equipment [Member] ACM-Wooil Microelectronics (Shanghai) Co., Ltd ACM-Wooli Microelectronics (Shanghai) Co., Ltd [Member] ACM-Wooli Microelectronics (Shanghai) Co., Ltd Consolidated Entities [Domain] Consolidated Entities [Domain] Singapore SINGAPORE Hefei Shixi Hefei Shixi Chanheng Integrated Circuit Industry Venture Capital Fund Partnership [Member] Name of the companies a Chinese limited partnership. Weighted Average Remaining Contractual Term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Disaggregated Revenue Information [Abstract] Disaggregated Revenue Information [Abstract] Disaggregated Revenue Information [Abstract] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Accounts Receivable [Abstract] Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Shanghai Pudong Development Bank, Deposit, Maturing December 15, 2025 Shanghai Pudong Development Bank, Deposit, Maturing December 15, 2025 [Member] Shanghai Pudong Development Bank, Deposit, Maturing December 15, 2025 Consolidated Entities [Axis] Consolidated Entities [Axis] Variable Rate [Domain] Variable Rate [Domain] Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Pay vs Performance Disclosure [Line Items] Statistical Measurement [Domain] Statistical Measurement [Domain] Long-Term Investments [Table] Long-Term Investments [Table] A container table for all schedule of long-term investments. Service Period Based Service Period Based Approach [Member] Fair value of option grants in period, valuation model assumptions based on service period. Underlying Security Market Price Change Underlying Security Market Price Change, Percent Ownership percentage in partnership Ownership Percentage in Partnership The percentage ownership in Partnership's total subscribed capital. Purchase of equity interest percentage Business Acquisition, Percentage of Equity Interests Acquired Percentage of equity interests acquired at the acquisition date in the business combination. Trading securities Debt Securities, Trading, and Equity Securities, FV-NI Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Shanghai Pudong Development Bank, Deposit, Maturing November 14, 2025 Shanghai Pudong Development Bank, Deposit, Maturing November 14, 2025 [Member] Shanghai Pudong Development Bank, Deposit, Maturing November 14, 2025 MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts payable Accounts Payable, Current Restatement Determination Date: Restatement Determination Date [Axis] Investment, Name [Axis] Investment, Name [Axis] Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Commitments and contingencies (note 20) Commitments and Contingencies Maturities of outstanding lease liabilities [Abstract] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Construction in progress Construction in Progress, Gross Ninebell Ninebell Ninebell Company Limited [Member] Name of the companies principal material supplier. 2026 Amortization of Land Use Right Due Year Three Amount of annual amortization expense for land use right, expected to be recognized in third fiscal year following current fiscal year. Geographical [Axis] Geographical [Axis] INCOME TAXES Income Tax Disclosure [Text Block] Advances from customers Increase (Decrease) in Contract with Customer, Liability Waferworks Waferworks Company Limited [Member] Name of the companies components suppliers. Concentration Risk [Line Items] Concentration Risk [Line Items] Number of votes for each share entitled Voting Rights per Share Number of votes entitled for each share of common stock. First-Tools First-Tools [Member] Finished goods inventory shipped to existing or prospective customers. Inventory, Net [Abstract] Inventory, Net [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Annual Amortization of Land use Right [Abstract] Annual Amortization of Land use Right [Abstract] Annual Amortization of Land use Right [Abstract] ACM Lingang ACM Lingang [Member] ACM Lingang PEO Total Compensation Amount PEO Total Compensation Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Outstanding, beginning of period (in shares) Outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised 2024 Amortization of Land Use Right Due Next Twelve Months Amount of annual amortization expense for land use right, expected to be recognized in next twelve months following current fiscal year. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Line Of Credit, due on September 1,2023 with an annual interest rate of 3.60% Line Of Credit, due on September 1,2023 with an annual interest rate of 3.60% [Member] Line Of Credit, due on September 1,2023 with an annual interest rate of 3.60% Long-term borrowings Long-Term Debt, Fair Value Net income attributable to ACM Research, Inc. Net Income (Loss) Attributable to Parent Net Income (Loss) Total current liabilities Liabilities, Current Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name LEASES Lessee, Operating Leases [Text Block] Liabilities and Equity Liabilities and Equity [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Exercise of stock options (in shares) Exercise of stock options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Total inventory Inventory, Gross Land use rights period Land Use Rights Period Period after the land use right is obtained, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. China Merchants Bank China Merchants Bank [Member] Name of the lender. Prepayment for property - lease deposit Prepayment for Property - Lease Deposit Amount of lease deposit related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer. Long-term time deposits (note 2) Deposits Assets, Noncurrent Class B Common Stock Common Stock Class B Common Class B [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Name Measure Name Four Customers Four Customers [Member] Four Customers Name Forgone Recovery, Individual Name 2027 and thereafter Amortization of Land Use Right Due Year Four Amount of annual amortization expense for land use right, expected to be recognized in fourth fiscal year following current fiscal year. Underlying Securities Award Underlying Securities Amount Accounts receivable Increase (Decrease) in Accounts Receivable 2023 Long-Term Debt, Maturity, Remainder of Fiscal Year Long-term operating lease liability (note 11) Operating Lease, Liability, Noncurrent Retained Earnings, Appropriated Retained Earnings, Appropriated [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Income Statement Location [Axis] Income Statement Location [Axis] LAND USE RIGHT, NET Land Use Rights, Net [Text Block] The entire disclosure for land use rights, net. Stock-based Compensation Expense [Abstract] Share-Based Payment Arrangement, Noncash Expense [Abstract] Maturities of Outstanding Lease Liabilities for Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Effect of dilutive securities (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Payables and Accruals [Abstract] Payables and Accruals [Abstract] Number of subsidiaries Number of Subsidiaries The number of subsidiaries liable for PRC corporate income taxes rate. Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Product and Service [Domain] Product and Service [Domain] Other Performance Measure, Amount Other Performance Measure, Amount Components of Lease Expense Lease, Cost [Table Text Block] Inventories Increase (Decrease) in Inventories Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Plan Name [Domain] Plan Name [Domain] Interest expense Interest Expense Weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term CleanChip Technologies Limited CleanChip Technologies Limited [Member] Entity owned or controlled by another entity. Trading Arrangement: Trading Arrangement [Axis] Use of Estimates Use of Estimates, Policy [Policy Text Block] Entity File Number Entity File Number 2026 Long-Term Debt, Maturity, Year Three Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Accrued warranty Product Warranty Accrual, Current Entity Shell Company Entity Shell Company Long-term investments (note 14) Long-Term Investments Restatement Determination Date Restatement Determination Date Prepaid expenses Increase (Decrease) in Prepaid Expense Class of Stock Disclosures [Abstract] Class of Stock Disclosures [Abstract] Income taxes payable Increase (Decrease) in Income Taxes Payable Less: Dilutive effect arising from stock-based awards by ACM Shanghai Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Operating lease cost Operating Lease, Cost Common stock issued (in shares) Common Stock, Shares, Issued Annual Amortization of Land Use Right Annual Amortization of Land Use Right [Table Text Block] Tabular disclosure of annual amortization of land use right. Unrealized Gain (Loss) on Trading Securities Unrealized Gain (Loss) on Investments [Table Text Block] Long-term debt Long-term borrowings Long-Term Debt Total assets Assets, Fair Value Disclosure 2027 Long-Term Debt, Maturity, Year Four ACM Research Korea CO., LTD. ACM Research Korea CO., LTD [Member] Entity owned or controlled by another entity. Class A Common Stock Common Stock Class A Common Class A [Member] Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Comprehensive income (loss) attributable to ACM Research, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent FIN-48 payable (note 19) Income Taxes, Current, Payable and Deferred Tax Liabilities Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable. Short-term lease cost Short-Term Lease, Cost Entity Address, Address Line One Entity Address, Address Line One ACM Research (Shanghai), Inc. ACM Shanghai ACM Research (Shanghai), Inc. [Member] Entity owned or controlled by another entity. Subsequent Event [Table] Subsequent Event [Table] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Statutory Accounting Practices [Line Items] Statutory Accounting Practices [Line Items] Additional shares reserved for issuance as dividends (in shares) Additional shares reserved for issuance as dividends The number of common shares reserved for issuance as dividends. Subsequent Event Subsequent Event [Member] Income Statement [Abstract] Income Statement [Abstract] Offering of shares (in shares) Stock Issued During Period, Shares, New Issues Equity investee: Investment Excluding Other [Member] Long-term investments excluding other. Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Interest income, deposits with financial institutions Interest Income, Deposits with Financial Institutions Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Capitalized contract cost, amortization period Capitalized Contract Cost, Amortization Period Hanguk ACM CO., LTD. Hanguk ACM CO., LTD. [Member] Entity owned or controlled by another entity. Annual total taxes Annual Total Taxes All taxes including value-added taxes, corporate income tax, personal income taxes, urban maintenance and construction taxes, education surcharges, stamp taxes, and vehicle and shipping taxes. Numerator [Abstract] Net Income (Loss) Attributable to Parent [Abstract] Accrued dividend payable Dividends Payable, Current Class of Stock [Line Items] Class of Stock [Line Items] Short-term and long-term time deposits Time deposits Deposit Assets Equity method investments Equity Method Investments Lessee, Operating Lease, Description [Abstract] Lessee, Operating Lease, Description [Abstract] Inventories (note 5) Inventory, Net ECP (front-end and packaging), furnace and other technologies ECP Front End And Packaging Furnace And Other Technologies [Member] Goods and Services produced, developed and distributed by the entity. Unrealized loss on trading securities Debt Securities, Trading, Unrealized Gain (Loss) ACM Research (Singapore) PTE. Ltd. ACM Research (Singapore) PTE. LTD. [Member] Entity owned or controlled by another entity. Total Shareholder Return Amount Total Shareholder Return Amount Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Retained earnings Retained Earnings (Accumulated Deficit) Advanced packaging (excluding ECP), services & spares Advanced Packaging (exclude ECP), Services & Spares [Member] Goods and Services produced, developed and distributed by the entity. Current assets: Assets, Current [Abstract] Accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Leases [Abstract] Leases [Abstract] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Line of Credit, due on September 13,2023 with an annual interest rate of 3.50%. Line of Credit, due on September 13,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on September 13,2023 with an annual interest rate of 3.50%. Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] IPO IPO [Member] Subsidies to Electro Copper Plating project, commenced in 2014 Subsidies to Electro Copper Plating project [Member] Subsidies to electro copper plating project, commenced in 2014. Shanghai dividend accrual Dividends, Common Stock, Cash, Declared Dividends, Common Stock, Cash, Declared Line of Credit, due on August 28,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 28,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 28,2023 with an annual interest rate of 3.50%. Long-Term Investments [Abstract] Long-Term Investments [Abstract] Advanced packaging, other processing tools, services and spares Advanced Packaging Other Processing Services and Spares [Member] Goods and Services produced, developed and distributed by the entity. Percentage of ownership after transaction Sale of Stock, Percentage of Ownership after Transaction Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Retained Earnings (Accumulated Deficit) [Abstract] Retained Earnings (Accumulated Deficit) [Abstract] Class of Stock [Domain] Class of Stock [Domain] Customer [Domain] Customer [Domain] Net income available to common stockholders, basic Net Income (Loss) Available to Common Stockholders, Basic Inventories Schedule of Inventory, Current [Table Text Block] Description of Business [Abstract] Business Description [Abstract] Business Description [Abstract] Number of Option Share [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Present value of lease liabilities Operating Lease, Liability Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] AOCI Attributable to Parent AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount All Executive Categories All Executive Categories [Member] Advances to related party (note 16) Increase (Decrease) in Advances to Related Party The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods to the related parties. Plan Name [Axis] Plan Name [Axis] OTHER PAYABLES AND ACCRUED EXPENSES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Number of reportable segments Number of Reportable Segments Net income attributable to ACM Research, Inc. per share of common stock (note 2): Net income per common share [Abstract] Earnings Per Share [Abstract] FIN-48 payable Increase (Decrease) in Payable and Deferred Tax Liabilities The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process within a given jurisdiction. Common stock Common Stock, Value, Issued Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Shanghai Pudong Development Bank, Deposit, Maturing December 30, 2025 Shanghai Pudong Development Bank, Deposit, Maturing December 30, 2025 [Member] Shanghai Pudong Development Bank, Deposit, Maturing December 30, 2025 Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Cash paid for amounts included in the measurement of lease liabilities [Abstract] Cash Flow, Operating Activities, Lessee [Abstract] China Merchant Bank, Deposit, Maturing January 30, 2026 China Merchant Bank, Deposit, Maturing January 30, 2026 [Member] China Merchant Bank, Deposit, Maturing January 30, 2026 Other income, net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Interest expense, long-term debt Interest Expense, Long-Term Debt Unrecognized tax benefits Unrecognized Tax Benefits Income Tax Authority [Axis] Income Tax Authority [Axis] PEO Name PEO Name Related party accounts payable (note 16) Increase (Decrease) in Accounts Payable Related Party The increase (decrease) during the reporting period in the obligations due for goods and services provided by the following types of related parties: a parent company and its subsidiaries, subsidiaries of a common parent, an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence. Shanghai Pudong Development Bank, Deposit, Maturing December 8, 2025 Shanghai Pudong Development Bank, Deposit, Maturing December 8, 2025 [Member] Shanghai Pudong Development Bank, Deposit, Maturing December 8, 2025 Restricted cash Restricted Cash, Current Subsidies to SW Lingang R&D development, commenced in 2021 Subsidies to SW Lingang R&D development in 2021 [Member] Subsidies to SW Lingang R&D development in 2021. Short-Term Borrowings [Abstract] Short-Term Debt [Abstract] Line of Credit, due on August 14,2023 with an annual interest rate of 3.50%. Line of Credit, due on August 14,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on August 14,2023 with an annual interest rate of 3.50%. Place and date of incorporation Name of Date of Incorporation Information of place and date of incorporation of an entity. Others Other Accrued Liabilities, Current Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Total ACM Research, Inc. stockholders’ equity Equity, Attributable to Parent Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Direct or Indirect Interests of Subsidiaries Direct or Indirect Interests in Subsidiaries [Table Text Block] Tabular disclosure of the entity's subsidiaries and information of their direct or indirect interests with date, state of incorporation information. National Interbank Funding Center One Year Loan Market Quotation Rate National Interbank Funding Center, One Year Loan Market Quotation Rate [Member] National Interbank Funding Center, One Year Loan Market Quotation Rate Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Expected term Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Revision of Prior Period [Domain] Revision of Prior Period [Domain] Subsequent Events [Abstract] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Purchase of intangible assets Payments to Acquire Intangible Assets Principal Payments of Long-Term Loan [Abstract] Long-Term Debt, Fiscal Year Maturity [Abstract] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] ACM Research (Beijing), Inc. ACM Research (Beijing), Inc. [Member] Entity owned or controlled by another entity. Long-Lived Assets by Geography Long-Lived Assets by Geographic Areas [Table Text Block] Thereafter Long Term Debt Maturities Repayments Of Principal Year Five and After Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing fifth fiscal year and after following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Long-Term Investment [Line Items] Long-Term Investment [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. ACM Shanghai ACM Shanghai [Member] Entity owned or controlled by ACM Shanghai. 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Outstanding, beginning of period (in dollars per share) Outstanding, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Number of major customers Number of Major Customers Number of major customers who contributes 10% or more of entity's total revenue. Foreign Tax Authority Foreign Tax Authority [Member] Other Other [Member] Other items related to other long-term liabilities. Other Regions Oher Regions [Member] Represents other regions. City Area Code City Area Code Product and Service [Axis] Product and Service [Axis] Wet-cleaning and other front-end processing tools Wet Cleaning And Other Front End Processing Tools [Member] Goods and Services produced, developed and distributed by the entity. Ownership percentage Equity Method Investment, Ownership Percentage Document Fiscal Year Focus Document Fiscal Year Focus Geographical [Domain] Geographical [Domain] Inventory [Domain] Inventory [Domain] Receivables [Abstract] Receivables [Abstract] Investments Real Estate Investments, Net Line of Credit, due on September 5,2023 with an annual interest rate of 3.50% Line of Credit, due on September 5,2023 with an annual interest rate of 3.50% [Member] Line of Credit, due on September 5,2023 with an annual interest rate of 3.50% Summary of Share Option Activities Share-Based Payment Arrangement, Option, Activity [Table Text Block] Exercise Price Award Exercise Price Outstanding at beginning of period (in dollars per share) Outstanding at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Short-term borrowings Short-Term Debt, Fair Value Total liabilities Liabilities, Fair Value Disclosure Long-Term Debt, by Current and Noncurrent [Abstract] Long-Term Debt, by Current and Noncurrent [Abstract] Accounts receivable [Abstract] Accounts Receivable Additional Disclosures [Abstract] Nonrelated Party Nonrelated Party [Member] Net income Net income (loss) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cash paid for income taxes Income Taxes Paid, Net Line of Credit, due on July 27,2023 with an annual interest rate of 3.50%. Line of Credit, due on July 27,2023 with an annual interest rate of 3.50%. [Member] Line of Credit, due on July 27,2023 with an annual interest rate of 3.50%. Total liabilities and equity Liabilities and Equity Other long-term assets (note 8) Total other long-term assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Risk free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Operating lease right-of-use assets, net (note 11) Operating Lease, Right-of-Use Asset Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Geographic Areas, Long-Lived Assets [Abstract] Geographic Areas, Long-Lived Assets [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Foreign corporate tax rate Foreign corporate tax rate Percentage of foreign tax rate. remainder of 2023 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Net income available to common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Arrangement Duration Trading Arrangement Duration Other Long-term Assets Schedule of Other Assets, Noncurrent [Table Text Block] Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Related Party Related Party [Member] Inventory, Current [Table] Inventory, Current [Table] Revision of Prior Period, Error Correction, Adjustment Revision of Prior Period, Error Correction, Adjustment [Member] Schedule of Cash and Cash Equivalents [Table] Schedule of Cash and Cash Equivalents [Table] Shanghai Pudong Development Bank, Deposit, Maturing October 20, 2025 Shanghai Pudong Development Bank, Deposit, Maturing October 20, 2025 [Member] Shanghai Pudong Development Bank, Deposit, Maturing October 20, 2025 Property, Plant and Equipment, Net, by Type [Abstract] Property, Plant and Equipment, Net, by Type [Abstract] One Customer One Customer [Member] One Customer Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Termination Date Trading Arrangement Termination Date Common stock, shares authorized (in shares) Common Stock, Shares Authorized Proceeds from selling trading securities Proceeds from Sale and Maturity of Marketable Securities Raw materials Inventory, Raw Materials, Gross Document Information [Table] Document Information [Table] Short-term borrowings (note 9) Short-term borrowings Short-Term Debt Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Adjustments to reconcile net income from operations to net cash used in operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Subsidies to Stress Free Polishing project, commenced in 2008 and 2017 Subsidies to Stress Free Polishing project [Member] Subsidies to stress free polishing project, commenced in 2008 and 2017. Related Party Transactions [Abstract] Related Party Transactions [Abstract] Award Timing Disclosures [Line Items] Proceeds from divestiture of interest in consolidated subsidiaries Proceeds from Divestiture of Interest in Consolidated Subsidiaries Right to use land lease term Right to Use Land Lease Term Right to use land lease term, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Less: Comprehensive income (loss) attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest 2025 Amortization of Land Use Right Due Year Two Amount of annual amortization expense for land use right, expected to be recognized in second fiscal year following current fiscal year. Additional paid-in capital Additional Paid in Capital Inventory [Axis] Inventory [Axis] Increase accounts receivable Increase (Decrease) in Accounts Receivable Including Foreign Exchange Differences The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services including foreign exchange differences. Effective interest held as at Subsidiaries Ownership Percentage The percentage of ownership of common stock or equity participation of subsidiaries. Document Information [Line Items] Document Information [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Work-in-process Inventory, Work in Process, Gross Time Deposits Time Deposits [Policy Text Block] Disclosure of accounting policy for time deposits. ACM Research (Cayman), Inc. ACM Research (Cayman), Inc. [Member] Entity owned or controlled by another entity. Insider Trading Arrangements [Line Items] Cash and Cash Equivalents, at Carrying Value [Abstract] Cash and Cash Equivalents, at Carrying Value [Abstract] Related Party [Axis] Related Party, Type [Axis] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Foreign corporate tax rate Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Adjustment to Compensation, Amount Adjustment to Compensation Amount Prepayment for property, plant and equipment and other non-current assets Prepayment for Property, Plant and Equipment and Other non-Current Assets Amount of property, plant and equipment and other non-current assets related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer. Cost of revenue Cost of Sales [Member] Non-cash financing activities: Noncash Financing Items [Abstract] Noncash Financing Items [Abstract] Reconciliation of cash, cash equivalents and restricted cash in condensed consolidated statements of cash flows: Reconciliation of cash, cash equivalents and restricted cash in condensed consolidated statements of cash flows: [Abstract] Reconciliation of cash, cash equivalents and restricted cash in condensed consolidated statements of cash flows: [Abstract] Non-controlling interests Equity, Attributable to Noncontrolling Interest Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Less: Total accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Forfeited/cancelled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value Long-Term Investment Long-Term Investment [Table Text Block] Tabular disclosure of long-term investment. Less: accumulated amortization Land use Right, Accumulated Amortization Amount of accumulated amortization on land use right. Entity Central Index Key Entity Central Index Key Liabilities Liabilities, Fair Value Disclosure [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Immaterial error correction, amount Immaterial Error Correction, Amount Immaterial Error Correction, Amount Income Tax Authority [Domain] Income Tax Authority [Domain] Accrued payroll Employee-related Liabilities, Current Revenue Benchmark Revenue Benchmark [Member] Name Trading Arrangement, Individual Name Shengyi Shengyi Semiconductor Technology Co., Ltd [Member] Name of related party. Disaggregated Revenue Information Disaggregation of Revenue [Table Text Block] Haiping Dun [Member] Haiping Dun Revenue (note 3) Revenue from Contract with Customer, Excluding Assessed Tax Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Amendment Flag Amendment Flag Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Interest paid, net of capitalized interest Interest Paid, Excluding Capitalized Interest, Operating Activities Assets Assets, Fair Value Disclosure [Abstract] Long-term borrowings (note 12) Long-term Borrowings Long-Term Debt, Excluding Current Maturities Leasehold improvement Leasehold Improvements [Member] Sales and marketing expense Selling and Marketing Expense [Member] Diluted (in shares) Weighted average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Operating expenses: Operating Expenses [Abstract] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Components of lease expense [Abstract] Lease, Cost [Abstract] Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Manufacturing equipment Equipment [Member] STATUTORY SURPLUS RESERVE [Abstract] STATUTORY SURPLUS RESERVE [Abstract] STATUTORY SURPLUS RESERVE [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition OTHER LONG-TERM LIABILITIES Other Liabilities Disclosure [Text Block] Non-NEOs Non-NEOs [Member] Purchase of materials Related Party Transaction, Purchases from Related Party Land use right, net (note 7) Land use right, net Land use right net Land use right represents the cost to purchase land use right. Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Bank of China Bank of China [Member] Name of the lender. Non-PEO NEO Non-PEO NEO [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Other investee: Other Long-Term Investments [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Basic (in shares) Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Nuode Asset Management Company Limited Nuode Asset Management Company Limited [Member] Name of the companies components suppliers. (Increase) decrease of time deposits Increase (Decrease) of Long-term Time Deposits The cash outflow associated with increase of long-term time deposits maturity due after one year or beyond the normal operating cycle, if longer. China Merchant Bank, Deposit, Maturing January 29, 2024 China Merchant Bank, Deposit, Maturing January 29, 2024 [Member] China Merchant Bank, Deposit, Maturing January 29, 2024 Schedule of Short-Term Debt [Table] Schedule of Short-Term Debt [Table] Wooil Wooil Flucon Company Limited [Member] Name of the companies components suppliers. Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Effective period of preferential income tax rate Effective Period of Preferential Income Tax Rate Effective period for entities certified as "advanced and new technology enterprises" to receive preferential income tax rate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Cost of revenue Cost of Revenue Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Non-Employee Stock Option Plan Non-Employee Stock Option Share-based Payment Arrangement, Non Employee Stock Option [Member] Share-based payment arrangement of non employee stock option granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time. Concentration Risk [Table] Concentration Risk [Table] Noncontrolling Interests Noncontrolling Interest [Member]