Entity Central Index Key Document and Entity Information Document And Entity Information [Abstract] Statement [Table] Statement [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Class A Common Stock Common Class A [Member] Represents the information pertaining to Class F common stock. Class F Common Stock Common Class F [Member] Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Document Type Document Type Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Carrying value as of the balance sheet date of obligations incurred and payable for state franchise taxes. Used to reflect the current portion of the liability (due within one year of the normal operating cycle if longer). Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation for underwriting services related to sales of the entity's stock. Statement Of Financial Position [Abstract] CURRENT ASSETS: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Prepaid assets & deferred costs Prepaid Expense Current Total current assets Assets Current Investments and cash held in Trust Account Assets Held In Trust Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accrued expenses, formation and offering costs Accrued Liabilities Current Notes payable - related party Accounts Payable Related Parties Current Income tax payable Taxes Payable Current State franchise tax accrual Accrual For State Franchise Taxes Current Total current liabilities Liabilities Current Deferred underwriting compensation Deferred Underwriting Compensation Liability Non Current Total liabilities Liabilities Commitments and Contingencies: Commitments And Contingencies Class A subject to possible redemption, 38,250,049 and 0 shares at September 30, 2018 and December 31, 2017, respectively (at redemption value of $10.00 per share) Temporary Equity Carrying Amount Attributable To Parent Stockholders’ equity: Stockholders Equity [Abstract] Preferred stock, $0.0001 par value; 1,000,000 shares authorized, none issued or outstanding Preferred Stock Value Common stock value Common Stock Value Additional paid-in-capital Additional Paid In Capital Retained earnings Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Shares subject to possible redemption, issued Temporary Equity Shares Issued Redemption value per share Temporary Equity Redemption Price Per Share Preferred stock, par value (in dollars per share) Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value (in dollars per share) Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Common stock redemption shares Treasury Stock Common Shares Income Statement [Abstract] Revenues Revenues Professional fees and other expenses Professional Fees State franchise taxes, other than income tax Taxes Excluding Income And Excise Taxes Net loss from operations Operating Income Loss Other income - interest income Investment Income Nonoperating Net income/(loss) before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Provision for income tax Income Tax Expense Benefit Net income/(loss) attributable to common shares Net Income Loss Net Income/(Loss) per ordinary share: Earnings Per Share Basic And Diluted [Abstract] Basic and diluted Income Loss From Continuing Operations Per Basic And Diluted Share Adjustments to additional paid in capital underwriters discounts. Adjustments to additional paid in capital stock issued deferred issuance costs. The number of shares of common stock that were removed from permanent equity and recognized as temporary equity because they are subject to possible redemption. The carrying value of common stock that is removed from permanent equity and recognized as temporary equity because it is subject to possible redemption. Statement Of Stockholders Equity [Abstract] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Additional Paid-In Capital Additional Paid In Capital [Member] Retained Earnings Retained Earnings [Member] Class A Ordinary Shares Class F Ordinary Shares Beginning Balance Beginning Balance (in shares) Shares Outstanding Proceeds from initial public offering of Units on September 11, 2018 at $10.00 per Unit Stock Issued During Period Value New Issues Proceeds from initial public offering of Units on September 11, 2018 at $10.00 per Unit (in shares) Stock Issued During Period Shares New Issues Sale of 6,666,666 Private Placement Warrants to Sponsor on September 11, 2018 at $1.50 per Private Placement Warrant Adjustments To Additional Paid In Capital Warrant Issued Underwriters discounts Adjustments To Additional Paid In Capital Underwriters Discounts Offering costs charged to additional paid-in capital Adjustments To Additional Paid In Capital Stock Issued Issuance Costs Deferred underwriting compensation Adjustments To Additional Paid In Capital Stock Issued Deferred Issuance Costs Class A common stock subject to possible redemption; 38,250,049 shares at a redemption price of $10.00 Reclassifications Of Permanent To Temporary Equity Class A common stock subject to possible redemption; 38,250,049 shares at a redemption price of $10.00 (in shares) Reclassification From Permanent To Temporary Equity In Shares Net income Ending Balance Ending Balance (in shares) The price paid for each warrant purchased. Share price (in dollars per share) Share Price Number of warrants sold Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Warrants sold, price per warrant Sale Of Warrants Price Per Warrant The increase (decrease) during the reporting period in the aggregate amount of offering costs incurred but not yet paid. Cash outflow associated with the reinvestment of earnings on assets held in trust. The cash outflow, classified as financing, from payments made on related party notes and advances payable. The cash outflow for the upfront underwriting discount paid by the company to the underwriters at the closing of the Public Offering, with an additional fee (the “Deferred Discount”) of the per Unit offering price payable upon the Company’s completion of a Business Combination. The cash outflow from payment of accrued offering costs. The amount of deferred underwriting compensation expense. The amount of offering cost included in accrued expenses. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Net income/(loss) Profit Loss Changes in state franchise tax accrual Increase Decrease In Property And Other Taxes Payable Changes in prepaid assets Increase Decrease In Prepaid Expense Changes in deferred offering costs associated with initial public offering Increase Decrease In Deferred Offering Costs Changes in income taxes payable Increase Decrease In Accrued Income Taxes Payable Changes in accrued expenses, formation and offering costs Increase Decrease In Accrued Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Cash flows from investing activities: Net Cash Provided By Used In Investing Activities [Abstract] Cash deposited in Trust Account Payments To Acquire Investments Interest reinvested in Trust Account Reinvestment Of Trust Account Earnings Net cash used in investing activities Net Cash Provided By Used In Investing Activities Cash flows from financing activities: Net Cash Provided By Used In Financing Activities [Abstract] Proceeds from sale of Units in initial public offering Proceeds From Issuance Initial Public Offering Proceeds from sale of Private Placement Warrants to Sponsor Proceeds From Issuance Of Warrants Repayment of notes and advances payable – related party Payments Of Related Party Notes And Advances Payable Payment of underwriter's discounts and commissions Payment Of Upfront Underwriting Discount Payment of accrued offering costs Payment Of Accrued Offering Costs Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Increase/(decrease) in cash Cash And Cash Equivalents Period Increase Decrease Cash at beginning of period Cash at end of period Supplemental disclosure of non-cash financing activities: Supplemental Cash Flow Information [Abstract] Deferred underwriting compensation Deferred Underwriting Compensation Offering costs included in accrued expenses Offering Costs Included In Accrued Expenses Cash paid for income and state franchise taxes Income Taxes Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization and Business Operations Nature Of Operations Accounting Policies [Abstract] Significant Accounting Policies Significant Accounting Policies [Text Block] The entire disclosure for public offering of the entity's stock. NA Public Offering [Abstract] Public Offering Public Offering Disclosure [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] The entire disclosure for deferred underwriting compensation. NA Deferred Underwriting Compensation [Abstract] Deferred Underwriting Compensation Deferred Underwriting Compensation Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurement Fair Value Disclosures [Text Block] Equity [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Net Income/(Loss) Per Common Share Earnings Per Share Policy [Text Block] Concentration of Credit Risk Concentration Risk Credit Risk Financial Instruments Fair Value Of Financial Instruments Policy Disclosure of accounting policy for offering cost. Offering Costs Offering Cost Policy [Text Block] Disclosure of accounting policy for redeemable common stock. Redeemable Common Stock Redeemable Common Stock Policy [Text Block] Use of Estimates Use Of Estimates Income Taxes Income Tax Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Disclosure of accounting policy for trust account. Investments and Cash Held in Trust Account Trust Account Policy [Text Block] Recently Issued Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements Policy Policy [Text Block] Going concern consideration policy. Going Concern Consideration Going Concern Consideration Policy Policy [Text Block] Summary of Numerator and Denominator used to Complute Basic and Dulited Net Income/(loss) Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule of Assets Measured at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis [Text Block] Organization consolidation and presentation of financial statements. Organization consolidation and presentation of financial statements. Organization Consolidation And Presentation Of Financial Statements [Table] Organization Consolidation And Presentation Of Financial Statements [Table] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Private Placement Private Placement [Member] Range Range [Axis] Range Range [Member] Maximum Maximum [Member] Minimum Minimum [Member] Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization Consolidation And Presentation Of Financial Statements [Line Items] Amount placed in trust account The maximum period of maturity allowed for investments in the Trust Account. Maximum maturity period Period Of Maturity Of Trust Account Investments Maximum The maximum portion of Regulatory Withdrawals that may be financed via withdrawals of interest earned on Trust Account funds. The maximum time period over which Regulatory Withdrawals may be financed via withdrawals of interest earned on Trust Account funds. Percentage of shares the company will redeem if business combination is not completed at specified time period. Threshold period from the closing date of the Public Offering to complete its Business Combination. Regulatory Withdrawals, maximum that may be funded via Trust Account interest Regulatory Withdrawals Maximum Amount That Can Be Financed Via Trust Account Interest Earned Maximum release period Regulatory Withdrawals Period Of Financing Via Trust Account Releases Redemption percentage if business combination is not completed Percentage Of Redemption If Business Combination Not Completed Number of months to complete business combination Threshold Period To Complete Business Combination From Closing Of Public Offering Aggregate fair market value percentage to the assets held in trust account for consummating business combination. Percentage of fair market value Percentage Of Fair Market Value To Assets Held In Trust Account Threshold period of specified days to seek approval from shareholders for redemption of shares. Threshold period of specified days to provide opportunity to shareholders to sell their shares. Threshold net tangible assets for redemption of public shares. Number of days to seek shareholder approval for redemption of shares Threshold Number Of Period To Seek Shareholders Approval Prior To Consummation Of Business Combination To Redeem Their Shares Number of days to provide opportunity to shareholders to sell their shares Threshold Number Of Period To Provide Opportunity To Shareholders To Sell Their Shares Prior To Consummation Of Business Combination Threshold net tangible assets Threshold Net Tangible Assets For Redemption Of Public Shares Threshold number of period in which the public shares are to be redeemed if business combination is not completed within the specified period of time. The maximum amount of dissolution expenses allowed in the event a Business Combination is not completed in accordance with conditions stated. Number of days to redeem the shares if Business combination is not completed Threshold Number Of Period To Redeem Public Shares If Business Combination Is Not Complete Dissolution expenses, maximum allowed Dissolution Expenses Maximum Allowed Numerator. Denominator. Significant accounting policies. Significant accounting policies. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Numerator: Numerator [Abstract] Denominator: Denominator [Abstract] Weighted-average shares outstanding Weighted Average Number Of Share Outstanding Basic And Diluted Basic and diluted net income/(loss) per share Earnings Per Share Basic And Diluted IPO I P O [Member] Cash balance, federal depository insurance coverage Cash F D I C Insured Amount Adjustments to additional paid In capital stock issued issuance costs including underwriters fees. Underwriters fees. offering costs including underwriter’s fees Adjustments To Additional Paid In Capital Stock Issued Issuance Costs Including Underwriters Fees Underwriter's fees Underwriters Fees Sale of common stock (in shares) Accrued interest and penalties related to unrecognized tax liabilities Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Redemption percentage to allow release of funds held in trust. Redemption percentage for release of Trust Account funds Redemption Percentage To Allow Release Of Funds Held In Trust Redemption rights or liquidating distributions with respect to warrants. Redemption rights or liquidating distributions with respect to warrants Redemption Rights Or Liquidating Distributions With Respect To Warrants The amount of working capital for the reporting period. Current liabilities Working capital Working Capital The number of shares that contribute each unit. The warrant exercisable term if business combination is completed. The warrant exercisable term from the closing of public offer. Expiration term of warrants after the completion of business combination or earlier upon redemption or liquidation. Percentage of the gross offering proceeds of the Public Offering, to the underwriter upon the Company’s consummation of a Business Combination. The number of units of the entity's stock sold by shareholders. Percentage of upfront underwriting discount paid by the company of the per unit offering price to the underwriters at the closing of the Public Offering, with an additional fee (the “Deferred Discount”) of the per Unit offering price payable upon the Company’s completion of a Business Combination. Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Warrant Warrant [Member] Over-Allotment Option Over Allotment Option [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Units sold Sale Of Stock Initial Public Offering Units Sold Number of shares that contribute each unit Number Of Shares That Contribute Each Unit Number of shares warrant may be converted Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right Warrants exercise price (in dollars per share) Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 Warrant exercisable term if business combination is completed Warrant Exercisable Term If Business Combination Is Completed Warrant exercisable term from the closing of public offer Warrant Exercisable Term From Closing Of Public Offer Warrant expiration term Warrant Expiration Term Upfront underwriting discount (as a percent) Percentage Of Upfront Underwriting Discount Percentage of deferred underwriting discount Percentage Of Deferred Underwriting Discount The number of shares of the entity's stock that was transferred, during the period, from one owner to another. Percentage of the outstanding shares of common stock held by the initial stockholders following completion of the Public Offering. Schedule Of Related Party Transactions By Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction Related Party Transaction [Axis] Related Party Transaction Related Party Transaction [Domain] Represents the information pertaining to founder shares. Founder Shares Founder Shares [Member] Related Party Related Party Transactions By Related Party [Axis]