Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement - Additional Information (Details)

v3.20.4
Fair Value Measurement - Additional Information (Details)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Probability of low case scenario 50.00%  
Probability of base case scenario 50.00%  
Fair Value, Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets recorded at fair value on a non-recurring basis $ 0 $ 0
Undisclosed Name of Acquiree One | Make-whole provisions | Measurement Input, Discount Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liability, measurement input 0.18