Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement - Fair Value of Instruments Classified as Level 3 (Details)

v3.20.4
Fair Value Measurement - Fair Value of Instruments Classified as Level 3 (Details) - (Level 3) - Recurring
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Beginning Balance $ 0
Gains (losses) included in earnings 117
Ending Balance 39,352
Oberland facility  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair value of liability issuances 36,855
Debt derivative liability  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair value of liability issuances 2,387
Oberland Option  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair value of liability issuances 176
Settlement of Oberland Option $ (182)