Document And Entity Information Document Information [Table] Document Information [Line Items] Document Type Amendment Flag Amendment Description Entity Registrant Name Entity Central Index Key Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period BALANCE SHEET Statement [Table] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Class A Common Stock Common Class B [Member] Class B Common Stock Statement [Line Items] Statement [Line Items] Assets [Abstract] Assets: ASSETS Assets, Current [Abstract] Current Assets Cash Cash - End of period Cash - Beginning of period Cash Prepaid Expense, Current Prepaid expenses Assets, Current Total Current Assets Assets Held-in-trust, Noncurrent Cash and marketable securities held in Trust Account Assets TOTAL ASSETS Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Accounts Payable and Accrued Liabilities, Current Current liabilities - accrued expenses Taxes Payable, Current Current income taxes payable Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Fair Value of Shares Fair value as of December 31, 2020 Fair value as of April 30, 2020 (inception) Warrant liability Warrant Liability The carrying value as of balance sheet of non current portion of deferred underwriting fee payable. Deferred Underwriting Fee Payable Non current Deferred Underwriting Fee Payable Non current Deferred underwriting payable Liabilities Total Liabilities Total Liabilities Commitments and Contingencies Commitments Temporary Equity, Carrying Amount, Attributable to Parent Class A Common Stock Subject to Possible Redemption Class A common stock subject to possible redemption 185,343,777 shares at redemption value Liabilities, Current [Abstract] Current liabilities Liabilities, Current Total Current Liabilities Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity Preferred Stock, Value, Issued Preferred stock, $0.0001 par value; 1,000,000 shares authorized; no shares issued and outstanding Common Stock, Value, Issued Class A Common Stock Common stock value Additional Paid in Capital Additional Paid-in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Deficit Stockholders' Equity Attributable to Parent Balance Balance Shareholders' Equity Total Stockholders' Equity Liabilities and Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Temporary Equity, Shares Outstanding Number of shares subject to redemption Class A common stock subject to possible redemption Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Common Stock, Par or Stated Value Per Share Par value (in dollars per share) Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Common stock, shares, outstanding STATEMENT OF OPERATIONS n/a Non Redeemable Common Stock [Member] Non-redeemable common stock Operating Expenses Formation and operating costs Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other income: Investment Income, Interest Interest earned on marketable securities held in Trust Account Fair Value Adjustment of Warrants Loss on warrant liabilities Loss on warrant liabilities Amount of transaction costs attributable to initial public offering. Transaction Costs Attributable To Initial Public Offering Transaction costs attributable to the Initial Public Offering Transaction costs attributable to Initial Public Offering Marketable Securities, Unrealized Gain (Loss) Unrealized gain on marketable securities held in Trust Account Unrealized gain on marketable securities held in Trust Account Nonoperating Income (Expense) Other expense, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before provision for income taxes Income Tax Expense (Benefit) Provision for income taxes Income tax provision Net Income (Loss) Attributable to Parent Net loss Net Loss Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS), attributable to temporary equity. Temporary Equity, Weighted Average Number of Shares Outstanding, Basic and Diluted Basic and diluted weighted average shares outstanding, Class A common stock subject to possible redemption The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements, attributable to temporary equity. Temporary Equity, Earnings Per Share, Basic and Diluted Basic and diluted net income per share, Class A common stock subject to possible redemption Weighted Average Number of Shares Outstanding, Basic and Diluted Basic and diluted weighted average shares outstanding, Non-redeemable Class B common stock Basic and diluted weighted average shares outstanding, Non-redeemable common stock Earnings Per Share, Basic and Diluted Basic and diluted net loss per share, Non-redeemable Class B common stock Basic and diluted net loss per share, Non-redeemable common stock STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid in Capital Retained Earnings [Member] Accumulated Deficit Shares, Outstanding Balance (in shares) Balance (in shares) Stock Issued During Period, Value, New Issues Values of shares issued Issuance of Class B common stock Stock Issued During Period, Shares, New Issues Number of shares issued Issuance of Class B common stock (in shares) Stock issued during period, shares, new issues Amount represents the value of stock issued, sale of units net of underwriting discount and offering expenses. Stock Issued Sale of Units Net Of Underwriting Discount and Offering Expenses Value Sale of 207,000,000 Units, net of underwriting discounts and offering expenses It represents the number of shares issued by sale of units net of underwriting discount and offering expenses. Stock Issued Sale of Units Net Of Underwriting Discount and Offering Expenses Shares Sale of 207,000,000 Units, net of underwriting discounts and offering expenses (in shares) Equity impact of shares subject to possible redemption. Shares Subject to Possible Redemption, Value Class A common stock subject to possible redemption Number of shares subject to possible redemption. Shares Subject to Possible Redemption, Shares Class A common stock subject to possible redemption (in shares) Partners' Capital Account, Units, Sale of Units STATEMENT OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash Flows from Operating Activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Interest Earned On Marketable Securities Held In Trust Account Interest Earned On Marketable Securities Held In Trust Account Interest earned on marketable securities held in Trust Account Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense Prepaid expenses Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Income Taxes Payable Income taxes payable Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows from Investing Activities: Payments to Acquire Restricted Investments Investment of cash in Trust Account Amount of cash inflows from the cash withdrawn from trust account to pay expenses. Proceeds From Cash Withdrawn From Trust Account Cash withdrawn from Trust Account to pay taxes Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows from Financing Activities: Proceeds from Issuance of Common Stock Proceeds from issuance of Class B common stock to Sponsor Proceeds from Issuance Initial Public Offering Proceeds from Issuance Initial Public Offering Proceeds from sale of Units, net of underwriting discounts paid Proceeds from Issuance of Warrants Sale of 42,850,000 private placement warrants Proceeds from sale of Private Placement Warrants Proceeds from Related Party Debt Amounts borrowed Proceeds from promissory note - related party Repayments of Related Party Debt Repayment of promissory note - related party Repayment of promissory note - related party Payments of Stock Issuance Costs Payment of offering costs Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net Change in Cash Noncash Investing and Financing Items [Abstract] Non-Cash investing and financing activities: Initial classification of common stock subject to redemption classified in non cash or part non cash transaction. Initial Classification Of Common Stock Subject To Redemption Initial classification of Class A common stock subject to possible redemption Change in value of common stock subject to redemption classified in non cash or part non cash transaction. Change In Value Of Common Stock Subject To Redemption Change in value of Class A common stock subject to possible redemption Liabilities Assumed Deferred underwriting fee payable DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS Accounting Changes and Error Corrections [Text Block] RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES n/a. INITIAL PUBLIC OFFERING Initial Public Offering[Text Block] Initial Public Offering [Text Block] INITIAL PUBLIC OFFERING n/a. PRIVATE PLACEMENT Private Placement[Text Block] Private Placement [Text Block] PRIVATE PLACEMENT RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] RELATED PARTY TRANSACTIONS COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] COMMITMENTS STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] STOCKHOLDERS' EQUITY No definition available. WARRANT LIABILITY The entire disclosure for warrants. Warrant Liabilities Disclosure [Text Block] WARRANT LIABILITY INCOME TAX Income Tax Disclosure [Text Block] INCOME TAX FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] FAIR VALUE MEASUREMENTS SUBSEQUENT EVENTS Subsequent Events [Text Block] SUBSEQUENT EVENTS Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Start-up Activities, Cost Policy [Policy Text Block] Emerging Growth Company Use of Estimates, Policy [Policy Text Block] Use of Estimates Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Disclosure of accounting policy for marketable securities held in trust account. Marketable Securities Held In Trust Account [Policy Text Block] Marketable Securities Held in Trust Account Disclosure of accounting policy for warrant liabilities. Warrant Liabilities [Policy Text Block] Warrant Liability Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block] Class A Common Stock Subject to Possible Redemption Income Tax, Policy [Policy Text Block] Income Taxes Earnings Per Share, Policy [Policy Text Block] Net Income (Loss) per Common Share Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Standards Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Summarizes the effects of the restatement on the financial statements Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of basic and diluted loss per common share Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Company's net deferred tax asset Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of components of Company's income tax provision Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of reconciliation of the federal income tax rate to the Company's effective tax rate Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Schedule of assets and liabilities that are measured at fair value on a recurring basis Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Schedule of significant inputs The tabular disclosure of changes in the fair value of warrant liabilities. Summary Of Changes In Fair Value Of Warrant Liabilities [Table Text Block] Schedule of changes in the fair value of warrant liabilities Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Churchill Sponsor LLC Churchill Sponsor L L C [Member] Churchill Sponsor LLC [Member] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] I P O [Member] IPO Over Allotment Option [Member] Over-Allotment Option Private Placement [Member] Private Placement Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event Number of subsidiaries of the company. Number Of Subsidiaries Number of subsidiaries Shares Issued, Price Per Share Shares issued, price per share The number of warrants issued during the period. Number Of Warrants Issued Number Of warrants issued Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price of warrants Class of warrant or right, exercise price of warrants or rights The amount represents the cost incurred for stock issuance. Transaction Cost Related To Issuance Of Common Stock Transaction Cost Related To Issuance Of Common Stock The amount represents the underwriting fees incurred for stock issuance. Underwriting Fees Underwriting Fees The amount of other costs incurred during the issuance of stock. Other Costs Related To Issuance Of Common Stock Other Costs Related To Issuance Of Common Stock Maximum working capital requirement to pay tax obligations Working Capital Requirement Fund Annual Limit Working Capital Requirement Fund Annual Limit Represents the percentage of aggregate fair market value of business combination to assets held in trust. Business Combination Aggregate Fair Market Value On Assets Held In Trust Percentage Business Combination Aggregate Fair Market Value On Assets Held In Trust Percentage Temporary Equity, Redemption Price Per Share Temporary Equity, Redemption Price Per Share Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets The maximum percentage of ordinary shares issued that are allowed to be redeemed. Maximum Percentage Of Shares Eligible From Redemption Maximum Percentage Of Shares Eligible From Redemption The aggregate amount of dissolution expenses payable. Dissolution Expenses Payable Dissolution Expenses Payable It represents of portion of amount used working capital Working capital Amount of cash invested in to trust account. Cash Invested in to Trust Account Amount deposited in trust account Amount of maximum borrowing capacity of related party promissory note. Maximum Borrowing Capacity Of Related Party Promissory Note Maximum borrowing capacity of related party promissory note Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Revision of Prior Period [Axis] Restatement [Domain] Revision of Prior Period [Domain] Scenario Previously Reported [Member] As Previously Reported Revision Of Prior Period Error Correction Adjustment [Member] As Adjustments Error Correction, Type [Axis] Adjustments For Error Correction [Domain] Error Correction, Type [Domain] Error correction to previously issued financial statement of restatement of warrants classification from equity to derivative liabilities. Restatement Of Warrants As Derivative Liabilities [Member] Restatement of warrants as derivative liabilities Error Corrections and Prior Period Adjustments Restatement [Line Items] Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] This member stands for the scenario, if underwriters do not exercise overallotment option. If Underwriters Do Not Exercise Overallotment Option [Member] If Underwriters Do Not Exercise Overallotment Option [Member] Amount of interest earned on Trust Account withdrawn during the period for working capital purposes. Interest Earned On Trust Account Withdrawn Interest earned on the Trust Account withdrawn for working capital purposes. Unrecognized Tax Benefits Unrecognized Tax Benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Represents the information pertaining to business interest limitation percentage. Business Interest Limitation Percentage Business interest limitation, percentage Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Cash, FDIC Insured Amount No definition available. Temporary Equity, Earnings Per Share, Basic and Diluted Calculation [Abstract] Class A Common Stock Subject to Possible Redemption No definition available. Numerator For Calculation Of Earnings Per Share [Abstract] Numerator: Earnings allocable to Class A common stock subject to possible redemption Amount of interest income, attributable to temporary equity. Temporary Equity, Attributable Interest Income Interest income Amount of unrealized gain (loss) on investments held in trust account, attributable to temporary equity. Temporary Equity, Attributable Unrealized Gain (Loss) On Investments Held In Trust Account Unrealized gain on investments held in Trust Account Amount of adjustments for Company's portion available to be withdrawn for payment of taxes. Adjustments For Company's Portion Available To Be Withdrawn To Pay Taxes Less: Company's portion available to be withdrawn to pay taxes Amount of adjustments for Company's portion available to be withdrawn for working capital purposes. Adjustments For Company's Portion Available To Be Withdrawn For Working Capital Purposes Less: Company's portion available to be withdrawn for working capital purposes Temporary Equity, Net Income Net income allocable to Class A common stock subject to possible redemption No definition available. Denominator For Calculation Of Earnings Per Share [Abstract] Denominator: Weighted average Class A common stock subject to possible redemption Earnings Per Share [Abstract] Non-Redeemable Common Stock Numerator: Net loss minus net earnings Net Income (Loss) Available to Common Stockholders, Basic Non-redeemable net loss No definition. Denominator Weighted Average Non Redeemable Common Stock [Abstract] Denominator: Weighted average non-redeemable Class B common stock Price of a single unit. Unit Price Unit price Represents the number of shares in a unit. Number Of Shares Issued Per Unit Number of shares in a unit Represents the number of warrants in a unit. Number Of Warrants Issued Per Unit Number of warrants in a unit Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares issuable per warrant Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of warrants issued Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Domain] Related Party [Domain] Sponsor [Member] Sponsor [Member] Sponsor This member stands for administrative support agreement. Administrative Support Agreement [Member] Administrative Support Agreement Represents the per share equivalent of common stock issued as a stock dividend. Dividends Common Stock Dividends Per Share Common stock dividends per share Number of shares effected common stock dividend share. Effected Common Stock Dividend Share Effected common stock dividend share Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation Weighted average number of shares, common stock subject to repurchase or cancellation Equity Method Investment, Ownership Percentage Equity method investment, ownership percentage Share Price Share price Management Fee Expense Management fee expense Related Party Transaction, Expenses from Transactions with Related Party Fees incurred for services Expenses related to public offering costs Initial Public Offering Cost Initial public offering cost Debt Conversion, Original Debt, Amount Debt conversion, original debt, amount Debt Instrument, Convertible, Conversion Price Conversion price The deferred Underwriting fee payable per unit. Deferred Underwriting Fees Payable Per Unit Deferred Underwriting Fees Payable Per Unit The carrying value of deferred underwriting fee payable. Deferred Underwriting Fees Payable Deferred Underwriting Fees Payable No definition available Deferred Underwriting Discount Shares Deferred Underwriting Discount Shares Reduction of upfront underwriting payment Deferred Underwriting Upfront Payment Deferred Underwriting Upfront Payment It represents of reimbursement expenses. Reimbursement of expenses payable Reimbursement of expenses payable Legal Fees Legal fees The number of votes that each common share is entitled. Common Stock, Number Of Votes Per Share Common shares, votes per share Class of Warrant or Right [Table] Class of Warrant or Right [Axis] Class Of Warrant Or Right [Domain] Class of Warrant or Right [Domain] Represents a redeemable warrant (Public Warrant) that entitles the holder to purchase shares of common stock subject to adjustment. Public Warrants [Member] Public Warrants Class of Warrant or Right [Line Items] The warrants exercisable term after the completion of a business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Warrants And Rights Outstanding, Exercisable Term After Business Combination Public Warrants exercisable term after the completion of a business combination The warrants exercisable term from the closing of the initial public offering, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Warrants And Rights Outstanding, Exercisable Term From Closing Of Initial Public Offering Public Warrants exercisable term from the closing of the initial public offering Expiration period of warrants. Class of Warrant or Right Warrants Expiration Period The maximum threshold period for filing registration statement after business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Maximum Thres hold Period For Filing Registration Statement After Business Combination Threshold period for filling registration statement after business combination The maximum threshold period for registration statement to become effective after business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Maximum Threshold Period For Registration Statement To Become Effective After Business Combination Maximum threshold period for registration statement to become effective after business combination Represents the redemption price of outstanding warrants. Class of Warrant or Right Warrants Redemption Price Redemption period. Redemption Period Redemption period ACIES ACQUISITION CORP. Table of Contents WARRANTS (Details) # Label 5 Months Ended 2020-12-31 D Unit 12 Months Ended 2020-12-31 D Unit Period Type Balance Type Item Type Label Type Wt Element Name Standard Label Definition Also Used In Client Comments 4 Public Warrants acac_PublicWarrantsMember Public Warrants [Member] us-gaap_ClassOfWarrantOrRightAxis 5 Class of Warrant or Right [Line Items] string us-gaap_ClassOfWarrantOrRightLineItems Class of Warrant or Right [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. 6 Public Warrants expiration term P5Y P5Y instant duration us-gaap_WarrantsAndRightsOutstandingTerm Warrants and Rights Outstanding, Term Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. 7 Minimum threshold written notice period for redemption of public warrants P30D duration duration acac_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants Class Of Warrant Or Right, Minimum Threshold Written Notice Period For Redemption Of Warrants The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 8 Public Warrants exercisable term from the closing of the initial public offering P1Y duration duration acac_WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering [WarrantsAndRightsOutstandingExercisableTermFromClosingOfInitialPublicOffering] The warrants exercisable term from the closing of the initial public offering, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 9 Threshold period for filling registration statement after business combination P20D duration duration acac_MaximumThresHoldPeriodForFilingRegistrationStatementAfterBusinessCombination Maximum Thres hold Period For Filing Registration Statement After Business Combination The maximum threshold period for filing registration statement after business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 10 Maximum threshold period for registration statement to become effective after business combination P60D duration duration acac_MaximumThresholdPeriodForRegistrationStatementToBecomeEffectiveAfterBusinessCombination Maximum Threshold Period For Registration Statement To Become Effective After Business Combination The maximum threshold period for registration statement to become effective after business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 11 "Public Warrants | Redemption of Warrants When the Price per Class A Ordinary Share Equals or Exceeds $18.00" "acac_PublicWarrantsMember| acac_RedemptionOfWarrantsWhenPricePerShareOfClassCommonStockEqualsOrExceeds18.00Member" "Public Warrants [Member] | Redemption Of Warrants When Price Per Share Of Class Common Stock Equals Or Exceeds18.00 [Member]" "us-gaap_ClassOfWarrantOrRightAxis| srt_StatementScenarioAxis" 12 Class of Warrant or Right [Line Items] string us-gaap_ClassOfWarrantOrRightLineItems Class of Warrant or Right [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. 13 Redemption price per public warrant (in dollars per share) 0.01 2 USD / shares duration perShare acac_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights Class Of Warrant Or Right, Redemption Price Of Warrants Or Rights Redemption price per share or per unit of warrants or rights outstanding. 14 Minimum threshold written notice period for redemption of public warrants P30D duration duration acac_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants Class Of Warrant Or Right, Minimum Threshold Written Notice Period For Redemption Of Warrants The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 15 Stock price trigger for redemption of public warrants (in dollars per share) 18.00 2 USD / shares duration perShare acac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants. 16 Threshold trading days for redemption of public warrants 20 0 D duration integer acac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays Class Of Warrant Or Right, Redemption Of Warrants Or Rights, , Threshold Trading Days Threshold number of specified trading days for stock price trigger considered for redemption of warrants. 17 Redemption period P30D duration duration acac_RedemptionPeriod Redemption Period Redemption period. 18 Adjustment of exercise price of warrants based on market value and newly issued price (as a percent) 1.15 2 pure duration percent acac_ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrices Class Of Warrant Or Right Adjustment Of Exercise Price Of Warrants Or Rights Percent Based On Market Value And Newly Issued Prices Percentage of adjustment of exercise price of warrants based on market value and newly issued price. 19 "Public Warrants | Redemption of Warrants When the Price per Class A Ordinary Share Equals or Exceeds $10.00" "acac_PublicWarrantsMember| acac_RedemptionOfWarrantsWhenPricePerShareOfClassCommonStockEqualsOrExceeds10.00Member" "Public Warrants [Member] | Redemption Of Warrants When Price Per Share Of Class Common Stock Equals Or Exceeds10.00 [Member]" "us-gaap_ClassOfWarrantOrRightAxis| srt_StatementScenarioAxis" 20 Class of Warrant or Right [Line Items] string us-gaap_ClassOfWarrantOrRightLineItems Class of Warrant or Right [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. 21 Redemption price per public warrant (in dollars per share) 0.10 2 USD / shares duration perShare acac_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights Class Of Warrant Or Right, Redemption Price Of Warrants Or Rights Redemption price per share or per unit of warrants or rights outstanding. 22 Minimum threshold written notice period for redemption of public warrants P30D duration duration acac_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants Class Of Warrant Or Right, Minimum Threshold Written Notice Period For Redemption Of Warrants The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 23 Stock price trigger for redemption of public warrants (in dollars per share) 10.00 2 USD / shares duration perShare acac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants. 24 Threshold trading days for redemption of public warrants 20 0 D duration integer acac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays Class Of Warrant Or Right, Redemption Of Warrants Or Rights, , Threshold Trading Days Threshold number of specified trading days for stock price trigger considered for redemption of warrants. 25 Redemption period P30D duration duration acac_RedemptionPeriod Redemption Period Redemption period. 26 Adjustment of exercise price of warrants based on market value and newly issued price (as a percent) 1.80 2 pure duration percent acac_ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrices Class Of Warrant Or Right Adjustment Of Exercise Price Of Warrants Or Rights Percent Based On Market Value And Newly Issued Prices Percentage of adjustment of exercise price of warrants based on market value and newly issued price. 27 "Public Warrants | Class A Common Stock" "acac_PublicWarrantsMember| us-gaap_CommonClassAMember" "Public Warrants [Member] | Common Class A [Member]" "us-gaap_ClassOfWarrantOrRightAxis| us-gaap_StatementClassOfStockAxis" 28 Class of Warrant or Right [Line Items] string us-gaap_ClassOfWarrantOrRightLineItems Class of Warrant or Right [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. 29 Share price 9.20 2 USD / shares 9.20 2 USD / shares instant perShare us-gaap_SharePrice Share Price Price of a single share of a number of saleable stocks of a company. "40101 - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details) 40701 - COMMITMENTS (Details)" 30 Percentage of gross proceeds on total equity proceeds 0.60 2 pure duration percent acac_PercentageOfGrossProceedsOnTotalEquityProceed Percentage of Gross Proceeds on Total Equity Proceed Represents the percentage of gross proceeds on total equity proceeds. 31 Threshold consecutive trading days for redemption of public warrants 20 INF USD duration integer acac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays Class Of Warrant Or Right, Redemption Of Warrants Or Rights, , Threshold Consecutive Trading Days Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants. Class Of Warrant Or Right, Redemption Of Warrants Or Rights, , Threshold Trading Days Threshold trading days for redemption of public warrants The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Class Of Warrant Or Right, Minimum Threshold Written Notice Period For Redemption Of Warrants Minimum threshold written notice period for redemption of public warrants Components of Deferred Tax Assets [Abstract] Deferred tax asset Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from startup/organizational expenses. Deferred Tax Assets, Startup And Organizational Expenses Startup/organizational expenses The amount of unrealized marketable securities Unrealized Gain On Marketable Securities Unrealized gain on marketable securities Deferred Tax Assets, Gross Total deferred tax asset Deferred Tax Assets, Valuation Allowance Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Deferred tax asset, net of allowance Federal Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) Current Deferred Federal Income Tax Expense (Benefit) Deferred Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Change in valuation allowance Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Statutory federal income tax rate Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State taxes, net of federal tax benefit Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to loss on warrant liability. Effective Income Tax Rate Reconciliation, LOss On Warrant Liability, Percent Loss on warrant liability Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to transaction costs incurred in connection with IPO. Effective Income Tax Rate Reconciliation, Transaction Costs Incurred in Connection With IPO, Percent Transaction costs incurred in connection with IPO Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Valuation allowance Effective Income Tax Rate Reconciliation, Percent Income tax provision Fair Value, Recurring and Nonrecurring [Table] Represents information pertaining to Private Placement Warrants. Private Placement Warrants [Member] Private Placement Warrants Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Recurring Fair Value Hierarchy and NAV [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Inputs Level1 [Member] Level 1 Fair Value Inputs Level3 [Member] Level 3 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Investments, Fair Value Disclosure Marketable securities held in Trust Account Liabilities, Fair Value Disclosure [Abstract] Liabilities: Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Derivative Liability, Measurement Input Input The amount of initial measurement of warrants issued in connection with the Initial Public Offering accounted for as liabilities. Initial Measurement of Warrants Issued in Connection with the Initial Public Offering Accounted for as Liabilities Initial measurement on July 30, 2020 Represents the amount of increase in warrants liabilities by change in valuation inputs or other assumptions. Change in Valuation Inputs or Other Assumptions of Warrants Liabilities Change in valuation inputs or other assumptions Subsequent Event [Table] This member stands for Merger Agreement with Merger Sub and Atieva. Merger Agreement With Merger Sub And Atieva [Member] Merger Agreement with Merger Sub and Atieva Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Arrangements And Nonarrangement Transactions [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Represents the information pertaining to common stock subscription agreements. Common Stock Subscription Agreements [Member] Common Stock Subscription Agreements Represents the information pertaining to PIPE investors Private Investment In Public Equity Investors [Member] PIPE Investors Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] This member stands for convertible promissory note with related party. Convertible Promissory Note With Related Party [Member] Convertible promissory note with Sponsor Subsequent Event [Line Items] Payments to Acquire Businesses, Gross Consideration Number of business days prior to closing date considered for determination of Equity Value of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Number Of Business Days Considered For Determination Of Equity Value Number of business days prior to closing date considered for determination of Equity Value Business Acquisition, Share Price Merger consideration (in dollars per share) Amount of fee payable to service provider upon the consummation of a Business Combination. Fee Payable To Service Provider Upon Consummation Of Business Combination Fee payable to service provider upon the consummation of a Business Combination Amount of fee payable to service provider upon the consummation of financing. Fee Payable To Service Provider Upon Consummation Of Financing Fee payable to service provider upon consummation of the financing Threshold maximum out-of-pocket expenses that the service provider is authorized to spend without prior approval. Threshold Maximum Amount Of Out Of Pocket Expenses Threshold maximum out-of-pocket expenses Maximum amount of Loans that may be convertible into warrants of the post-Business Combination entity. Maximum Loans Convertible Into Warrants Maximum loans convertible into warrants Per unit price of warrants issued by the company. Warrants Price Per Unit Price of warrants (in dollars per share) Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input Exercise Price [Member] Exercise price Measurement Input Share Price [Member] Stock price Measurement Input Price Volatility [Member] Volatility Measurement input using interest rate on instrument with probability of completing a Business Combination. Measurement Input Probability Of Completing Business Combination [Member] Probability of completing a Business Combination Measurement Input Expected Term [Member] Term Measurement Input Risk Free Interest Rate [Member] Risk-free rate Measurement Input Expected Dividend Rate [Member] Dividend yield