SUPPLEMENTAL DISCLOSURES ABOUT NATURAL GAS PRODUCING ACTIVITIES - Standardized Measure of Discounted Future Net Cash Flows Related to Proved Natural Gas & Condensate Reserves (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Extractive Industries [Abstract]
Future cash inflows	$ 326,246	$ 2,441,930	$ 945,651
Future production costs	(102,356)	(341,925)	(133,909)
Future development costs	(56,207)	(360,107)	(211,836)
Future income tax provisions	0	(257,908)	(54,401)
Future net cash flows	167,683	1,481,990	545,505
Less effect of a 10% discount factor	(42,254)	(445,686)	(181,302)
Standardized measure of discounted future net cash flows	$ 125,429	$ 1,036,304	$ 364,203	$ 6,885