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ASSET RETIREMENT OBLIGATION (Tables)
 12 Months Ended
Dec. 31, 2024
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations The following table presents a reconciliation of the beginning and ending aggregate carrying amount of asset retirement obligation for the years presented below:
Year Ended December 31,
202420232022
(Dollars in thousands)
Balance at beginning of year $114,370 $97,660 $84,891 
Revision in estimated cash flows (893)2,056 (1,802)
Liabilities incurred and acquired 8,427 8,490 9,314 
Accretion expense 7,747 6,164 5,257 
Balance at end of year $129,651 $114,370 $97,660