Supplemental Oil and Gas Information (Unaudited) -Standardized Measure of Discounted Future Net Cash Flows (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Oil and Gas Information (Unaudited)
Future cash inflows	$ 7,373,499	$ 4,569,313
Future production costs	(3,824,348)	(2,691,875)
Future development costs	(309,188)	(231,040)
Future income tax expense	(520,731)	0
Future net cash flows for estimated timing of cash flows	2,719,232	1,646,398
10% annual discount for estimated timing of cash flows	(1,381,276)	(726,553)
Standardized measure of discounted future net cash flows	$ 1,337,956	$ 919,845	$ 297,811