SUPPLEMENTAL OIL AND GAS DISCLOSURES (Schedule Of Capitalized Costs And Costs Incurred On Oil And Gas Properties) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Capitalized costs:
Proved properties	$ 177,134	$ 225,014
Unproved properties not being amortized	6,953	422
Capitalized costs gross	184,087	225,436
Accumulated depreciation, depletion, amortization, and impairment	(76,077)	(64,966)
Net capitalized costs	108,010	160,470
Costs incurred:
Unproved properties acquired	3,963	522
Proved properties acquired	0	0
Exploration	0	0
Development	16,070	16,279
Asset retirement obligation	3,018	478
Total costs incurred	$ 23,051	$ 17,279