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Reconciliation of Level 3 Fair Value Measurements (Details) - Derivative Financial Instrument Net Assets - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Roll-forward of Level 3 Assets        
Fair Value, net assets (liabilities), beginning of period $ (226,211) $ (36,234) $ (62,540) $ (8,427)
Fair Value, net assets (liabilities), end of period (205,520) (117,985) (205,520) (117,985)
Commodity Price Risk Management (loss), net        
Roll-forward of Level 3 Assets        
Changes in fair value included in statement of operations line item: (63,157) (94,131) (272,928) (127,520)
Settlements included in statement of operations line items: 83,848 12,380 129,948 17,962
Net change in fair value of unsettled derivatives included in statement of operations line item $ (39,192) $ (81,417) $ (150,253) $ (93,867)