Document and Entity Information Statement [Table] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Class A Represents the information pertaining to Class F common stock. Common Class F [Member] Class F Statement [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Voluntary Filers Entity Well-known Seasoned Issuer Entity Filer Category Entity Common Stock, Shares Outstanding Entity Public Float Document Fiscal Year Focus Document Fiscal Period Focus Statement of Financial Position [Abstract] Assets, Current [Abstract] CURRENT ASSETS: Cash and Cash Equivalents, at Carrying Value Cash at end of period Cash at beginning of period Cash and cash equivalents Deferred Offering Costs Deferred offering costs Due from Related Parties, Current Receivable - related party Prepaid Expense, Current Prepaid assets Assets, Current Total current assets Assets Held-in-trust, Noncurrent Investments and cash held in Trust Account Assets Total assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities, Current [Abstract] Current liabilities: Accrued Liabilities, Current Accrued expenses, formation and offering costs 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). Accrual For State Franchise Taxes, Current State franchise tax accrual Due to Related Parties, Current Notes and advances payable – related party Liabilities, Current Current liabilities Total current liabilities 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. Deferred Underwriting Compensation Liability, Non-current Deferred underwriting compensation Deferred underwriting discount payable if business combination is completed Accrued Income Taxes, Noncurrent Income tax payable Deferred Tax Liabilities, Net, Noncurrent Net deferred income tax Liabilities Total liabilities Commitments and Contingencies Commitments and Contingencies Temporary Equity [Abstract] Temporary Equity, Carrying Amount, Attributable to Parent Class A subject to possible redemption 38,368,855 and -0- shares at December 31, 2017 and December 31, 2016, respectively (at redemption value of $10.00 per share) Stockholders' Equity Attributable to Parent [Abstract] Stockholders’ equity: Common Stock, Value, Issued Common stock Additional Paid in Capital Additional paid-in-capital Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders’ equity Liabilities and Equity Total liabilities and stockholders’ equity Temporary Equity, Shares Issued Shares subject to possible redemption, issued Number of shares subject to possible redemption Temporary Equity, Redemption Price Per Share Redemption value per share Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars 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 or Stated Value Per Share Common stock, par value (in dollars 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 Income Statement [Abstract] Professional Fees Professional fees and other expenses Taxes, Miscellaneous State franchise taxes, other than income tax Operating Income (Loss) Net loss from operations Investment Income, Nonoperating Other income - interest income Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net income before income taxes Income Tax Expense (Benefit) Provision for income tax Income Tax Provision (Benefit), Total Net Income (Loss) Available to Common Stockholders, Basic Allocation of net income/(loss) Net income attributable to common shares Earnings Per Share, Basic and Diluted [Abstract] Net Income (Loss) per ordinary share: Income (Loss) from Continuing Operations, Per Basic and Diluted Share Basic and diluted net income/(loss) per share Basic and diluted STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Ordinary Shares Additional Paid In Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Accumulated Deficit/Retained Earnings Shares, Outstanding Ending Balance (in shares) Beginning Balance (in shares) The number of shares of common stock forfeited after issuance during the period. Common Stock Forfeited, Shares Common stock forfeited (in shares) Effect on Stockholders' Equity and Additional Paid In Capital of value of common stock forfeited after issuance. Common Stock Forfeited, Value Common stock forfeited, value Stock Issued During Period, Shares, New Issues Sale of common stock (in shares) Stock Issued During Period, Value, New Issues Sale of common stock, value Adjustments to Additional Paid in Capital, Warrant Issued Sale of Private Placement Warrants to Sponsor Amount of decrease in additional paid in capital (APIC) resulting from the payment of underwriters discounts associated with issuing stock. Adjustments To Additional Paid In Capital Underwriters Discounts Underwriters discounts Amount of decrease in additional paid in capital (APIC) resulting from the payment of direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. Adjustments To Additional Paid In Capital Stock Issued Issuance Costs Paid Offering costs charged to additional paid-in capital Amount of decrease in additional paid in capital (APIC) resulting from deferred direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. Adjustments To Additional Paid In Capital Stock Issued Deferred Issuance Costs Deferred underwriting compensation 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. Reclassification From Permanent To Temporary Equity, In Shares Common stock subject to possible redemption (in shares) The carrying value of common stock that is removed from permanent equity and recognized as temporary equity because it is subject to possible redemption. Reclassifications Of Permanent To Temporary Equity Common stock subject to possible redemption Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net income Share Price Share price (in dollars per share) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of warrants sold The price paid for each warrant purchased. Sale Of Warrants, Price Per Warrant Warrants sold, price per warrant STATEMENT OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Increase (Decrease) in Deferred Income Taxes Changes in deferred income tax provision Increase (Decrease) in Due from Related Parties Changes in receivable - related party Increase (Decrease) in Property and Other Taxes Payable Changes in state franchise tax accrual Increase (Decrease) in Prepaid Expense Changes in prepaid assets The increase (decrease) during the reporting period in the aggregate amount of offering costs incurred but not yet paid. Increase Decrease In Deferred Offering Costs Changes in deferred offering costs Increase (Decrease) in Income Taxes Payable Changes in income taxes payable Increase (Decrease) in Accrued Liabilities Changes in accrued expenses, formation and offering costs Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net cash used in investing activities Cash flows from investing activities Payments to Acquire Investments Cash deposited in Trust Account Amount placed in trust account Cash outflow associated with the reinvestment of earnings on assets held in trust. Reinvestment Of Trust Account Earnings Interest reinvested in Trust Account Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Cash flows from financing activities: Proceeds from Issuance Initial Public Offering Gross proceeds Proceeds from sale of Units in initial public offering Proceeds from Issuance of Warrants Proceeds from sale of Private Placement Warrants to Sponsor Proceeds from Related Party Debt Proceeds from note payable - related party Proceeds from Issuance of Common Stock Proceeds from sale of Class F common stock to Sponsor The cash outflow, classified as financing, from payments made on related party notes and advances payable. Payments Of Related Party Notes And Advances Payable Repayment of notes and advances payable - related party 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. Payment of Upfront Underwriting Discount Payment of underwriters' discounts and commissions Upfront underwriting discount The cash outflow from payment of accrued offering costs. Payment of Accrued Offering Costs Payment of accrued offering costs Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Increase in cash Supplemental disclosure of non-cash financing activities: The amount of deferred underwriting compensation expense . Deferred Underwriting Compensation Deferred underwriting compensation. The amount of offering cost included in accrued expenses. Offering Costs Included in Accrued Expenses Offering costs included in accrued expenses Income Taxes Paid Cash paid for income and state franchise taxes Organization and Business Operations Nature of Operations [Text Block] Organization and Business Operations Significant Accounting Policies Significant Accounting Policies [Text Block] Significant Accounting Policies NA Public Offering The entire disclosure for public offering of the entity's stock. Public Offering Disclosure [Text Block] Public Offering Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions NA Deferred Underwriting Compensation. The entire disclosure for deferred underwriting compensation. Deferred Underwriting Compensation Disclosure [Text Block] Deferred Underwriting Compensation Income Taxes Income Tax Disclosure [Text Block] Income Taxes N/A Investments and cash held in Trust The entire disclosure of investments and cash held in trust. Investments and Cash Held in Trust [Text Block] Investments and cash held in Trust Fair Value Measurement Fair Value Disclosures [Text Block] Fair Value Measurement Stockholders’ Equity. Stockholders' Equity Note Disclosure [Text Block] Stockholders’ Equity Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation Earnings Per Share, Policy [Policy Text Block] Net 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] Financial Instruments Disclosure of accounting policy for offering cost. Offering Cost [Policy Text Block] Offering Costs Disclosure of accounting policy for redeemable common stock. Redeemable Common Stock [Policy Text Block ] Redeemable Common Stock Use of Estimates, Policy [Policy Text Block] Use of Estimates Income Tax, Policy [Policy Text Block] Income Taxes Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Disclosure of accounting policy for trust account. Trust Account [Policy Text Block] Investments and Cash Held in Trust Account New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements Disclosure of accounting policy for going concern consideration. Going Concern Consideration [Policy Text Block] Going Concern Consideration Reclassification, Policy [Policy Text Block] Reclassifications Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of deferred tax asset Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of assets measured at fair value on a recurring basis Schedule of Stock by Class [Table] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Stockholders' Equity The maximum period of maturity allowed for investments in the Trust Account. Period Of Maturity Of Trust Account Investments, Maximum Maximum maturity period (in days) The percentage of redemption of public shares of the entity's stock that may allow the release of the funds held in trust. Redemption Percentage To Allow Release Of Funds Held In Trust Redemption percentage for release of Trust Account funds Percentage of shares the company will redeem if business combination is not completed at specified time period. Percentage of Redemption if Business Combination not Completed Redemption percentage if business combination is not completed Threshold period from the closing date of the Public Offering to complete its Business Combination. Threshold Period To Complete Business Combination From Closing Of Public Offering Number of months to complete Business Combination Aggregate fair market value percentage to the assets held in trust account for consummating business combination. Percentage of Fair Market Value to the Assets Held in the Trust Account Percentage of fair market value Threshold period of specified days to seek approval from shareholders for redemption of shares. Threshold Number of Days to Seek Shareholders Approval Prior to Consummation of the Business Combination to Redeem their Shares Number of days to seek shareholder approval for redemption of shares Threshold period of specified days to provide opportunity to shareholders to sell their shares. Threshold Number of Days to Provide the Opportunity to Shareholders to Sell their Shares Prior to Consummation of the Business Combination Number of days to provide opportunity to shareholders to sell their shares Threshold net tangible assets below which the company will not redeem its public shares. Threshold Net Tangible Assets for Redemption of its Public Shares Threshold net tangible assets Threshold number of days in which the public shares are to be redeemed if business combination is not completed within the specified period of time. Threshold Number of Days to Redeem the Public Shares If Business Combination is Not Complete Number of days to redeem the shares if Business combination is not completed The maximum amount of dissolution expenses allowed in the event a Business Combination is not completed in accordance with conditions stated. Dissolution Expenses, Maximum Allowed Dissolution expenses, maximum allowed Earnings Per Share, Diluted, Two Class Method [Abstract] Net Loss per Common Share The number of classes of shares issued by the entity. Number Of Classes Of Shares Issued Number of classes of shares Weighted Average Number Diluted Shares Outstanding Adjustment Dilutive securities Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average common shares outstanding, Basic & Diluted Aggregate amount of offering costs recorded to date in stockholders' equity. Offering Costs Cumulative Amount Charged To Stockholders Equity Offering costs charged to stockholders' equity to date The amount of underwriter’s fees recorded to date in stockholders' equity. Underwriters Fees Underwriter's fees The number of shares including both permanent and temporary equity issued and outstanding at the balance sheet date. Common Stock, Permanent And Temporary Equity, Number Of Shares Issued And Outstanding Common stock, inclusive of shares subject to redemption, number of shares issued and outstanding Income Tax Examination, Penalties and Interest Accrued [Abstract] Income taxes Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accrued interest and penalties related to unrecognized tax liabilities Assets Held-in-trust [Abstract] Business Combination, Description [Abstract] The amount of working capital for the reporting period. Working Capital Working capital 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 Warrant [Member] Warrant The number of units of the entity's stock sold by shareholders. Sale of Stock, Initial Public Offering, Units Sold Units sold The number of shares that contribute each unit. Number of Shares that Contribute Each Unit Number of shares that contribute each unit Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares warrant may be converted Class of Warrant or Right, Exercise Price of Warrants or Rights Warrants exercise price (in dollars per share) The warrant exercisable term if business combination is completed. Warrant Exercisable Term, if Business Combination is Completed Warrant exercisable term if business combination is completed The warrant exercisable term from the closing of public offer. Warrant Exercisable Term from the Closing of Public Offer 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. Warrant Expiration Term Warrant expiration term 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. Percentage of Upfront Underwriting Discount Upfront underwriting discount (as a percent) Percentage of the gross offering proceeds of the Public Offering, to the underwriter upon the Company’s consummation of a Business Combination. Percentage of Deferred Underwriting Discount Percentage of deferred underwriting discount Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Domain] Related Party [Domain] Principal Owner [Member] Sponsor [Member] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Represents the information pertaining to Sponsor Loan. Sponsor Loan [Member] Sponsor Loan Represents the information pertaining to Administrative Service Agreement . Administrative Service Agreement [Member] Administrative Service Agreement Related Party Transaction [Line Items] The number of shares of the entity's stock that was transferred, during the period, from one owner to another. Stock Transferred During Period From One Owner To Another, Shares Number of shares transferred Stock Issued During Period, Shares, Share-based Compensation, Forfeited Number of shares forfeited Percentage of the outstanding shares of common stock held by the initial stockholders following completion of the Public Offering. Percentage of Outstanding Shares of Common Stock Held by the Initial Stockholders Outstanding shares of common stock held by the initial stockholders (as a percent) Stockholders' Equity Note, Stock Split, Conversion Ratio Conversion ratio Proceeds from Unsecured Notes Payable Proceeds from Promissory Note to related party The amount to be paid on a monthly basis for services provided by the related party under the agreement. Related Party Transaction Monthly Amount Payable Per Agreement Monthly charge for administrative services The amount of deferred discount payable to the underwriter if there is no Business Combination. Deferred Underwriting Discount if Business Combination not Completed Deferred underwriting discount if business combination not completed Effective Income Tax Rate Reconciliation, Amount [Abstract] Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Tax at federal statutory income tax rate Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount State income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Change in tax rate Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Federal Tax Expense (Benefit) Current taxes, federal Current State and Local Tax Expense (Benefit) Current taxes, state Current Federal, State and Local, Tax Expense (Benefit) Current taxes, Total Deferred Federal Income Tax Expense (Benefit) Deferred taxes, federal Deferred State and Local Income Tax Expense (Benefit) Deferred taxes, state Deferred Federal, State and Local, Tax Expense (Benefit) Deferred taxes, Total Schedule reflecting information related to income taxes. Income Taxes [Table] 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. Income Taxes [Line Items] Components of Deferred Tax Assets and Liabilities [Abstract] Deferred Tax Assets (Liabilities) Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Accrued professional fees Deferred Tax Liabilities, Investments Unrealized gain/loss on investments Deferred Tax Assets, Operating Loss Carryforwards, Domestic Net operating loss carryforwards Deferred Tax Assets, Valuation Allowance Valuation allowance Deferred Tax Liabilities, Net Net Deferred Tax Asset (Liability) Schedule of Investments [Table] Investment [Axis] Investment [Domain] Investment [Domain] U S Treasury Securities [Member] US Treasury Securities [Member] Cash [Member] Cash [Member] Schedule of Investments [Line Items] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Recurring Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Quoted Prices in Active Markets (Level 1) Measured at fair value on recurring basis Fair value portion of investment and cash held in trust. Investments And Cash Held In Trust Fair Value Disclosure Investments and cash held in Trust Account Assets, Fair Value Disclosure Total Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common Stock Represents the number of votes per share. Number Of Votes Per Share Number of votes per share Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Scenario Forecast [Member] Scenario, Forecast [Member]