Supplemental Oil and Gas Disclosures (Unaudited) - Estimate of Reserves (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Oil (MBbl)
Proved Developed and Undeveloped Reserves [Roll Forward]
Total proved reserves at December 31, 2020	$ 2,223
Revisions	433
Extensions	62
Production	(357)
Total proved reserves at December 31, 2021	2,361
Total proved developed reserves as of December 31, 2021	1,897
Total proved undeveloped reserves as of December 31, 2021	464
Gas (MMcf)
Proved Developed and Undeveloped Reserves [Roll Forward]
Total proved reserves at December 31, 2020	24,917
Revisions	4,235
Extensions	189
Production	(2,798)
Total proved reserves at December 31, 2021	26,544
Total proved developed reserves as of December 31, 2021	18,427
Total proved undeveloped reserves as of December 31, 2021	8,117
MBOE
Proved Developed and Undeveloped Reserves [Roll Forward]
Total proved reserves at December 31, 2020	6,376
Revisions	1,139
Extensions	94
Production	(824)
Total proved reserves at December 31, 2021	6,785
Total proved developed reserves as of December 31, 2021	4,968
Total proved undeveloped reserves as of December 31, 2021	$ 1,817