CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Total revenues and other	$ 579,491,000	$ 273,268,000	$ 471,216,000
Operating expenses
Lease operating	45,402,000	37,463,000	43,088,000
Gathering, processing and transportation	23,647,000	22,050,000	23,197,000
Production and ad valorem taxes	31,041,000	16,619,000	28,057,000
General and administrative	66,529,000	33,789,000	25,484,000
Depreciation, depletion and amortization	131,657,000	140,673,000	174,569,000
Impairments of oil and gas properties	1,811,000	391,849,000	0
Total operating expenses	300,087,000	642,443,000	294,395,000
Operating income (loss)	279,404,000	(369,175,000)	176,821,000
Other income (expense)
Interest expense, net of amounts capitalized	(33,161,000)	(31,257,000)	(35,811,000)
Loss on extinguishment of debt	(8,860,000)	0	0
Derivatives	(136,999,000)	88,422,000	(68,131,000)
Other, net	94,000	(850,000)	(153,000)
Income (loss) before income taxes	100,478,000	(312,860,000)	72,726,000
Income tax (expense) benefit	(1,560,000)	2,303,000	(2,137,000)
Net income (loss)	98,918,000	(310,557,000)	70,589,000
Net income attributable to Noncontrolling interest	(58,689,000)	0	0
Net income (loss) attributable to common shareholders	$ 40,229,000	$ (310,557,000)	$ 70,589,000
Net income (loss) per share attributable to common shareholders:
Basic (in dollars per share)	$ 2.41	$ (20.46)	$ 4.67
Diluted (in dollars per share)	$ 2.34	$ (20.46)	$ 4.67
Weighted average shares outstanding – basic	16,695	15,176	15,110
Weighted average shares outstanding – diluted	17,165	15,176	15,126
Oil and Gas, Exploration and Production [Member]
Revenues
Revenue from contract with customer	$ 517,301,000	$ 251,741,000	$ 434,713,000
Oil and Condensate [Member]
Revenues
Revenue from contract with customer	33,443,000	8,948,000	16,589,000
Natural Gas, Production [Member]
Revenues
Revenue from contract with customer	26,080,000	10,103,000	17,733,000
Product and Service, Other [Member]
Revenues
Revenue from contract with customer	$ 2,667,000	$ 2,476,000	$ 2,181,000