SUPPLEMENTAL OIL AND GAS INFORMATION (UNAUDITED) - Average Sales Prices (Details)	12 Months Ended
	Dec. 31, 2021 $ / bbl $ / Mcf	Dec. 31, 2020 $ / Mcf $ / bbl	Dec. 31, 2019 $ / bbl $ / Mcf
Natural Gas
Reserve Quantities [Line Items]
Average sale price (in dollars per volume unit) | $ / Mcf	3.37	1.61	2.12
Oil
Reserve Quantities [Line Items]
Average sale price (in dollars per volume unit) | $ / bbl	62.25	32.69	50.53