Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement - Significant Inputs Included in the Valuation of the Debt Derivative Liability (Details)

v3.20.4
Fair Value Measurement - Significant Inputs Included in the Valuation of the Debt Derivative Liability (Details) - Debt derivative liability
Dec. 31, 2020
Remaining Term  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Derivative Liability, Measurement Input 6.5
Measurement Input Coupon Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Derivative Liability, Measurement Input 9.50
Measurement Input, Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Derivative Liability, Measurement Input 0.0870
Measurement Input Mandatory Prepayment Rate | Mandatory Prepayment Event Before 2024  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Derivative Liability, Measurement Input 5.0
Measurement Input Mandatory Prepayment Rate | Mandatory Prepayment Event In 2024 Or After  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Derivative Liability, Measurement Input 15.0
Measurement Input Mandatory Prepayment Rate | Optional Prepayment Event  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Derivative Liability, Measurement Input 5.0