ASSET RETIREMENT OBLIGATIONS (Schedule Of Asset Retirement Obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Asset Retirement Obligation Disclosure [Abstract]
ARO liability, Beginning Balance:	$ 25,688	$ 23,356
Accretion of discount	1,798	1,892
Liability incurred	22	7
Liability settled	(1,085)	(1,140)
Liability sold	(7,284)	(1,935)
Revision of estimates	4,301	3,507
ARO liability, Ending Balance:	23,440	25,688
Less current portion	2,858	2,537
Total long-term ARO liability	$ 20,582	$ 23,151