Supplemental Information on Oil and Natural Gas Producing Activities (Unaudited) - Results of Operations from Oil and Natural Gas Producing Activities (Unaudited) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Results of Operations for Oil and Gas Producing Activities
Revenues	$ 168,882	$ 114,976	$ 266,845
Expenses
Production costs	46,309	53,474	110,711
Depreciation and depletion	9,372	50,349	146,874
Impairment	0	218,399	409,574
Total expenses	55,681	322,222	667,159
Income (loss) before income taxes	113,201	(207,772)	(401,055)
Income tax benefit	26,734	(51,750)	(105,477)
Results of operations for oil and natural gas producing activities (excluding corporate overhead and interest costs)	86,467	(156,022)	(295,578)
Oil, natural gas and NGL
Results of Operations for Oil and Gas Producing Activities
Revenues	$ 168,882	$ 114,450	$ 266,104