Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Fair Value of Warrant Liabilities Measured on Recurring Basis) (Details)

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Fair Value Measurements (Fair Value of Warrant Liabilities Measured on Recurring Basis) (Details) - Level 3 - Warrant liability
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning of period $ 0
Recognition of issuance date fair value 23,909
Gain (loss) on changes in fair value 0
Transfers into (out of) Level 3 0
End of period $ 23,909