Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 431,472	$ 333,284	$ 1,324,447	$ 884,744
Oil sales
Disaggregation of Revenue [Line Items]
Revenues	389,543	305,093	1,217,377	818,714
Natural gas sales
Disaggregation of Revenue [Line Items]
Revenues	5,680	3,361	14,727	7,893
CO2 sales and transportation fees
Disaggregation of Revenue [Line Items]
Revenues	18,586	12,237	44,618	31,599
Oil marketing revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 17,663	$ 12,593	$ 47,725	$ 26,538