Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Summary of Derivative Liabilities at Fair Value (Details)

v3.21.2
Derivative Instruments - Summary of Derivative Liabilities at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Derivative [Line Items]    
Derivative instruments, current $ 18,772 $ 18,258
Derivative instruments, long-term 19,097 35,317
Total liabilities measured at fair value 37,869 53,575
Markets for Identical Assets (Level 1)    
Derivative [Line Items]    
Derivative instruments, current 0 0
Derivative instruments, long-term 0 0
Total liabilities measured at fair value 0 0
Observable Inputs (Level 2)    
Derivative [Line Items]    
Derivative instruments, current 18,772 18,258
Derivative instruments, long-term 19,097 35,317
Total liabilities measured at fair value 37,869 53,575
Unobservable Inputs (Level 3)    
Derivative [Line Items]    
Derivative instruments, current 0 0
Derivative instruments, long-term 0 0
Total liabilities measured at fair value $ 0 $ 0