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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Obligation at beginning of the year $ 29,459 $ 27,849
Additional liabilities incurred 5,444 119
Liabilities settled 0 (201)
Accretion 1,789 1,692
Obligation at the end of the year $ 36,692 $ 29,459