SUPPLEMENTAL OIL AND GAS DISCLOSURES (Standardized Measure Of Discounted Future Cash Flows Relating To Proved Reserves Disclosure) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows [Abstract]
Future cash flows	$ 2,918,116	$ 1,977,529
Future production costs	(1,142,754)	(835,430)
Future development costs	(1,724)	0
Future income tax expenses	(355,350)	(185,395)
Future net cash flows	1,418,288	956,704
10% annual discount for estimated timing of cash flows	(633,263)	(385,560)
Standardized measure of discounted future net cash flows relating to proved oil, NGLs and natural gas reserves	$ 785,025	$ 571,144	$ 193,021