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ASSET RETIREMENT OBLIGATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]      
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