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ENVIRONMENTAL AND NATURAL RESOURCE DAMAGE LIABILITIES - Schedule of Liabilities (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2023
USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]  
Beginning balance, non-current portion $ 14,418
Beginning balance, plus: current portion 1,175
Beginning balance 15,593
Expenditures charged to liabilities (110)
Ending balance 15,483
Ending balance, less: current portion (1,175)
Ending balance, non-current portion $ 14,308