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Derivative Instruments and Fair Value Measurements - Narrative (Details) - Commodity Contract
3 Months Ended 6 Months Ended
Mar. 31, 2021
barrel_of_oil_per_day
Jun. 30, 2021
barrel_of_oil_per_day
contract
Dec. 31, 2020
contract
Derivative Instruments, Gain (Loss) [Line Items]      
Number of contracts held | contract   7 6
Number of contracts held, fair value | contract     3
July 2021 through December 2021      
Derivative Instruments, Gain (Loss) [Line Items]      
Production | barrel_of_oil_per_day   740  
January 2021 through December 2021      
Derivative Instruments, Gain (Loss) [Line Items]      
Production | barrel_of_oil_per_day 192