Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue
Total revenues	$ 34,196	$ 16,655	$ 67,819	$ 56,984
Oil
Disaggregation of Revenue
Total revenues	14,666	11,554	30,214	40,208
NGL
Disaggregation of Revenue
Total revenues	10,625	1,591	19,481	7,525
Natural gas
Disaggregation of Revenue
Total revenues	8,905	3,303	18,124	8,854
Other
Disaggregation of Revenue
Total revenues	$ 0	$ 207	$ 0	$ 397