Supplemental oil, NGL and natural gas disclosures (unaudited) - Results of operations of oil, NGL and natural gas producing activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Oil, NGL and natural gas sales	$ 1,794,374	$ 1,147,143	$ 496,355
Production costs:
Lease operating expenses	173,983	101,994	82,020
Production and ad valorem taxes	110,997	68,742	33,050
Transportation and marketing expenses	53,692	47,916	49,927
Total production costs	338,672	218,652	164,997
Other costs:
Depletion	298,259	201,691	203,492
Accretion of asset retirement obligation	3,653	4,018	4,227
Impairment expense	0	0	889,453
Income tax expense (benefit)	11,538	14,456	0
Total other costs	313,450	220,165	1,097,172
Results of operations	$ 1,142,252	$ 708,326	$ (765,814)
Effective tax rate (as a percent)	1.00%	2.00%	0.00%