Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Narrative (Details)

v3.21.2
Derivative Instruments and Hedging Activities - Narrative (Details)
1 Months Ended 9 Months Ended
Feb. 28, 2021
USD ($)
shares
Sep. 30, 2021
counterparty
shares
Sep. 30, 2020
USD ($)
shares
Derivative [Line Items]      
Number of counterparties | counterparty   15  
9.00% Second Lien Senior Secured Notes due 2025      
Derivative [Line Items]      
Debt instrument aggregate principal amount | $     $ 300,000,000
September 2020 Warrants      
Derivative [Line Items]      
Sale of stock, number of shares issued in transaction (in shares) | shares 5,600,000 6,400,000  
Derivative liability | $ $ 134,800,000    
September 2020 Warrants | Common Stock      
Derivative [Line Items]      
Number of securities called by warrants (in shares) | shares     7,300,000