Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued expense Additional Paid in Capital Additional paid-in capital Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Offering cost charged to the shareholders' equity Offering costs charged to shareholders' equity Adjustments to Additional Paid in Capital, Warrant Issued Sale of Private Placement Warrants to Sponsor in private placement Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash used in operating activities: Administrative Service [Member] Administrative Support Service [Member] Administrative Support Agreement [Member] Administrative Support Agreement [Member] Administrative Support Agreement [Member] Advance from sponsor. Advance From Sponsor Advance from Sponsor Amendment Flag Amendment Flag Assets Total assets Assets [Abstract] Assets: Assets, Current Total current assets Assets Held-in-trust, Noncurrent Investments held in Trust Account Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation Business Acquisition, Percentage of Voting Interests Acquired Percentage of voting interests acquired Business Combination, Control Obtained Description Initial Business Combination, description Business combination, net tangible assets required to proceed Business combination, net tangible assets required to proceed Business combination, net tangible assets required to proceed Business Combination required completion period after Initial Public Offering Business Combination required completion period after Initial Public Offering Business Combination required completion period after Initial Public Offering Business Combination within in Combination Period, Possible per share value of residual assets remaining available for distribution Business Combination within in Combination Period, Possible per share value of residual assets remaining available for distribution Business Combination within in the Combination Period, possible per share value of residual assets remaining available for distribution Business Description and Basis of Presentation [Text Block] Description of Organization and Business Operations Capital Units [Member] Capital Units Cash and Cash Equivalents, at Carrying Value Cash Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash - Ending Cash - Beginning Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net Change in Cash Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental Disclosure of Non-cash Financing Activities: Cash Held On Behalf Of Others [Policy Text Block] Cash Held On Behalf Of Others [Policy Text Block] Cash Held in Trust Account City Area Code City Area Code Class of Stock [Domain] Class of Stock [Domain] Class of Warrant or Right, Exercise Price of Warrants or Rights Warrants exercise price Warrant exercisable price Warrant exercise price per share Class of Warrant or Right, Redemption, Price Per Share Class of Warrant or Right, Redemption, Price Per Share Redemption price per share Commitments and Contingencies Commitments and Contingencies Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments & Contingencies Common Class A [Member] Class A Common Stock Common Class B [Member] Class B common stock Common Stock, Terms of Conversion Conversion discription Common Stock, Par or Stated Value Per Share Ordinary shares, par value Common shares, par value Common stock par value Common Stock, Shares Authorized Common shares, shares authorized Ordinary shares, authorized Common Stock, Shares, Issued Common shares, shares issued Ordinary shares, issued Common Stock Shares Issued Price Per Share Common Stock Shares Issued Price Per Share Share issue price per shares Common Stock, Shares, Outstanding Common shares, shares outstanding Ordinary shares, outstanding Common Stock, Value, Issued Class A ordinary shares, $0.0001 par value, 200,000,000 shares authorized, 1,146,479 (excluding 26,453,521 shares subject to possible redemption) and 0 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively Common Stock, Voting Rights Voting rights Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Convertible Debt Convertible debt Cover page. Cover Abstract Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument, Convertible, Conversion Price Conversion Price Deferred Costs, Noncurrent Deferred offering costs Deferred fee underwriters price per units. Deferred Fee Underwriters Price Per Units Deferred fee underwriters price per units Deferred Offering Costs [Policy Text Block] Deferred Offering Costs [Policy Text Block] Deferred Offering Costs Deferred underwriting commissions charged to additional paid in capital Deferred underwriting commissions charged to additional paid in capital Deferred underwriting commissions charged to additional paid in capital Deferred Underwriting Commissions Noncurrent. Deferred Underwriting Commissions Noncurrent Deferred underwriting commissions Deferred Underwriting Fees Payable Deferred Underwriting Fees Payable Additional fee payable Deferred underwriting fees payable Defined Contribution Plan, Administrative Expense Incurred administrative services Director [Member] Director [Member] Dissolution Expenses Maximum Allowed Dissolution Expenses Maximum Allowed Business Combination, maximum amount of interest to pay dissolution expenses Document And Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Quarterly Report Document Quarterly Report Document Type Document Type Due to Related Parties, Current Due to related parties Earnings Per Share, Basic and Diluted Basic and diluted net loss per ordinary share Earnings Per Share, Policy [Policy Text Block] Net Income per Ordinary Share Emerging Growth Company Policy [Text Block] Emerging Growth Company Policy [Text Block] Emerging Growth Company Employee Trust [Abstract] Employee Trust [Abstract] Entities [Table] Entities [Table] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, Country Entity Address, Country Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Central Index Key Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity File Number Entity File Number Entity Filer Category Entity Filer Category Entity Information [Line Items] Entity Information [Line Items] Entity Interactive Data Current Entity Interactive Data Current Entity Registrant Name Entity Registrant Name Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Equity Component [Domain] Equity Component [Domain] Equity Interest Type [Axis] Equity Interest Type [Axis] Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Treasury Securities Fund, Fair Values Investments Quoted Price in Active Markets for identical Assets Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Quoted Prices In Active Markets (Level 1) [Member] Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 3 [Member] Significant Other Unobservable Inputs (Level 3) [Member] Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Federal depository insurance coverage. Federal depository insurance coverage Federal depository insurance coverage Federal Home Loan Banks [Abstract] Federal Home Loan Banks [Abstract] Financial Instrument [Axis] Financial Instrument [Axis] Founder Shares [Member] Founder Shares [Member] Founder Shares [Member] Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Loss from operations Income Statement [Abstract] Income Statement [Abstract] Income Tax, Policy [Policy Text Block] Income Taxes Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expense Increase (Decrease) in Due to Related Parties Due to related parties Increase (Decrease) in Operating Capital [Abstract] Changes in current assets and current liabilities: Increase (Decrease) in Prepaid Expense Prepaid assets Initial Public Offering [Text Block] Initial Public Offering [Text Block] Initial Public Offering Initial value of class A ordinary shares subject to possible redemption Initial value of classA ordinary shares subject to possible redemption Initial value of Class A ordinary shares subject to possible redemption Interest Income and Realized Gain from Sale of Treasury Securities Interest Income and Realized Gain from Sale of Treasury Securities Interest income and realized gain from sale of treasury securities Investment Income, Nonoperating Interest earned on investment held in Trust Account IPO [Member] IPO [Member] Liabilities Total liabilities Liabilities and Equity Total liabilities and shareholders' equity Liabilities and Equity [Abstract] Liabilities and Shareholders' Equity: Liabilities, Current Total current liabilities Limited Liability Company or Limited Partnership, Business Activities and Description Trading day, description Local Phone Number Local Phone Number Marketable Securities, Gain (Loss) Gain on sale of marketable securities Marketable Securities, Realized Gain (Loss) Realized gain from sale of marketable securities Maximum [Member] Maximum [Member] Money Market Funds [Member] Money Market Funds [Member] Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows from Financing Activities: Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows from Investing Activities: Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Cash Flows from Operating Activities: Net Income (Loss) Attributable to Parent Net income Net income New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Number of founder shares holding. Number of Founder Shares Holding Number of founder shares holding Number of shares forfeited unexercised by underwriters. Number of Shares Forfeited Unexercised by Underwriters Number of shares forfeited, unexercised by underwriters Offering Costs. Offering Costs Incurring offering cost Office Space [Member] Office Space [Member] Office Space [Member] Operating Cash Flows, Direct Method [Abstract] Operating Cash Flows, Direct Method [Abstract] Organization Business And Basis Of Presentation [Line Items] Organization Business And Basis Of Presentation [Line Items] Organization Business And Basis Of Presentation [Line Items] Organization Business And Basis Of Presentation [Table] Organization Business And Basis Of Presentation [Table] Organization Business And Basis Of Presentation [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Other Borrowings Other Borrowings Over-Allotment Option [Member] Over-Allotment Option [Member] Payments for Underwriting Expense Payment of underwriting discount Payments of Stock Issuance Costs Payments of offering costs Payments to Acquire Long-term Investments Purchase of investment held in Trust Account Percentage of common shares outstanding after conversion. Percentage of Common Shares Outstanding After Conversion Percentage conversion of common shares outstanding Percentage Of Net Equity Proceeds Percentage Of Net Equity Proceeds Percentage of equity proceeds Percentage of Public Shares Restricted from Redeem Percentage of Public Shares Restricted from Redeem Percentage of aggregate Public Shares restricted from redeem Preferred Stock, No Par Value Preferred shares, par value Preferred Stock, Shares Authorized Preferred shares, shares authorized Preferred Stock, Shares Issued Preferred shares, shares Issued Preferred Stock, Shares Outstanding Preferred shares, shares outstanding Preferred Stock, Value, Issued Preferred shares, $0.0001 par value; 1,000,000 shares authorized; no shares issued and outstanding Prepaid Expense, Current Prepaid expense Private Placement [Member] Private Placement [Member] Private Placement Warrant [Member] Private Placement Warrant [Member] Private Placement Warrant [Member] Private Placement Warrants [Member] Private Placement Warrants [Member] Private Placement Warrants [Member] Proceeds from deferred fee underwriters. Proceeds from Deferred Fee Underwriters Proceeds from deferred fee underwriters Proceeds from deferred fee underwriters sold in public offering. Proceeds From Deferred Fee Underwriters Sold in Public Offering Proceeds from deferred fee underwriters sold in public offering Proceeds from Issuance Initial Public Offering Proceeds from Initial Public Offering, net of underwriters' fees Proceeds from issuance initial public offering Proceeds from Issuance of Private Placement Proceeds from private placement Proceeds from issuance of underwriting discounts. Proceeds from issuance of underwriting discounts Cash paid underwriting discount Proceeds from Issuance or Sale of Equity Proceed from issuance of shares Proceeds from Sale of Long-term Investments Proceeds from sale of investment held in Trust Account Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Public Warrant [Member] Public Warrant [Member] Public Warrant [Member] Purchased aggregate of private placement warrants. Purchased Aggregate of Private Placement Warrants Purchased to aggregate warrant Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Related Party [Domain] Related Party [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Related Party [Axis] Related Party [Axis] Related Party Transactions Disclosure [Text Block] Related Party Transactions Repayment of Notes Receivable from Related Parties Advance from Sponsor Repayments of Related Party Debt Repayment of Sponsor loan Repayment of Sponsor loan Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Retained Earnings (Accumulated Deficit) Retained earnings (accumulated deficit) Retained Earnings [Member] Retained Earnings [Member] Sale Leaseback Transaction, Monthly Rental Payments Sponsor monthly payment Sale of Stock [Domain] Sale of Stock [Domain] Sale of Stock, Number of Shares Issued in Transaction Number of shares issued Sale of stock, shares issued Sale of Stock, Price Per Share Shares price Common stock price, per share Sale of stock price per share Title of 12(b) Security Title of 12(b) Security Security Exchange Name Security Exchange Name Selling, General and Administrative Expense General and administrative expenses Share Purchase Price Share Purchase Price Shares Purchase price Shares, Outstanding Ending balance, shares Beginning balance, shares Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block] Class A Ordinary Shares Subject to Possible Redemption Shares Transferred Shares Transferred Shares transferred to related party Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Sponsor [Member] Sponsor [Member] Sponsor [Member] Sponsor support payment received related to founder share. Sponsor Support Payment Received Related to Founder Share Payment received Class of Stock [Axis] Class of Stock [Axis] Equity Components [Axis] Equity Components [Axis] Statement [Line Items] Statement [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Stockholders' Equity Attributable to Parent Ending balance Beginning balance Total shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity: Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Stockholders' Equity Note Disclosure [Text Block] Shareholders' Equity Stock Issued During Period, Shares, New Issues Sale of stock, shares issued Issuance of Ordinary Share Issuance of Ordinary Share, shares Stock Issued During Period, Value, New Issues Issuance of Ordinary Share Stock Redeemed or Called During Period, Shares Change in Class A ordinary shares subject to possible redemption, shares Stock Redeemed or Called During Period, Value Change in Class A ordinary shares subject to possible redemption Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Sale of Stock [Axis] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Temporary Equity, Carrying Amount, Attributable to Parent Class A Ordinary shares subject to possible redemption, $0.0001 par value; 26,453,521 shares and 0 shares at March 31, 2020 and December 31, 2019, respectively (at redemption value of $10 per share) Temporary Equity, Par or Stated Value Per Share Ordinary share par value Ordinary shares, par value Temporary Equity, Redemption Price Per Share Ordinary shares, redemption price per share Temporary Equity, Shares Issued Ordinary shares subject to possible redemption Ordinary shares subject to possible redemption Ordinary shares, issued Text Block [Abstract] Text Block [Abstract] Trading Symbol Trading Symbol Financial Instruments [Domain] Financial Instruments [Domain] Trust Account and Fair Value Measurements [Text Block] Trust Account and Fair Value Measurements [Text Block] Trust Account and Fair Value Measurements Underwriting Agreement [Member] Underwriting Agreement [Member] Underwriting Agreement [Member] Unrecognized Tax Benefits Unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accrued interest and penalties related to unrecognized tax benefits Use of Estimates, Policy [Policy Text Block] Use of Estimates US Treasury Securities Money Market Fund [Member] US Treasury Securities Money Market Fund [Member] US Treasury Securities Money Market Fund [Member] Utilities Secretarial [Member] Utilities Secretarial [Member] Utilities Secretarial [Member] Warrant [Member] Warrant Warrant Purchase Price Warrant Purchase Price Warrant purchase price Warrants and Rights Outstanding, Term Warrants expiration term Warrants upon redemption description. Warrants Upon Redemption Description Warrants upon redemption, description Warrant transferred to related party. Warrant Transferred To Related Party Warrant transferred to related party Weighted average capitalizations shares Weighted average capitalizations shares Weighted average capitalizations shares Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average shares outstanding of ordinary shares, basic and diluted Working capital Working capital Operating amount out of Trust account enough to operate for at least 12 months Working Capital Loan [Member] Working Capital Loan [Member] Working Capital Loan [Member]