ENVIRONMENTAL AND NATURAL RESOURCE DAMAGE LIABILITIES - Changes in Environmental and NRD Liabilities (Details) $ in Thousands	6 Months Ended
Jun. 30, 2024 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Beginning balance, non-current portion	$ 4,785
Beginning balance, plus: current portion	11,793
Beginning balance	16,578
Expenditures charged to liabilities	(331)
Increase to liabilities	2,874
Ending balance	19,121
Ending balance, less: current portion	(14,681)
Ending balance, non-current portion	$ 4,440
Environmental Loss Contingency, Current, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag	environmental and NRD liabilities
Environmental Loss Contingency, Noncurrent, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag	environmental and NRD liabilities
Environmental Loss Contingency, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag	environmental and NRD liabilities

Accrual for Environmental Loss Contingencies Increase (Decrease) to Liability

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Environmental Loss Contingency, Current, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag

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Environmental Loss Contingency, Noncurrent, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag

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Environmental Loss Contingency, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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