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Significant Accounting Policies - Offering costs and income taxes (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Offering Costs      
Offering costs $ 38,688,692   $ 314,398
Underwriters discounts     37,950,000
Deferred discount 24,150,000 $ 24,150,000 24,150,000
Professional, printing, filing, regulatory and other costs incurred     738,692
Income Taxes      
Unrecognized tax benefits 0 0 0
Amounts accrued for the payment of interest and penalties $ 0 0 0
Income tax expense   $ 19,735 $ 53,853