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Significant Accounting Policies - Offering costs and income taxes (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
Offering Costs  
Underwriters discounts $ 37,950,000
Deferred discount 24,150,000
Professional, printing, filing, regulatory and other costs incurred 636,442
Income Taxes  
Unrecognized tax benefits 0
Amounts accrued for the payment of interest and penalties 0
Income tax expense $ 34,118