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ASSET RETIREMENT OBLIGATIONS - Schedule of Asset Retirement Obligations Operating Costs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Asset Retirement Obligation Disclosure [Abstract]        
Accretion $ 3.7 $ 3.5 $ 10.8 $ 10.3
Depreciation 3.2 2.2 8.4 6.6
Total ARO operating costs $ 6.9 $ 5.7 $ 19.2 $ 16.9