ENVIRONMENTAL AND NATURAL RESOURCE DAMAGE LIABILITIES - Schedule of Liabilities (Details) $ in Thousands	6 Months Ended
Jun. 30, 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	(223)
Decrease to liabilities	(20)
Ending balance	15,350
Ending balance, less: current portion	(2,371)
Ending balance, non-current portion	$ 12,979

Accrual for Environmental Loss Contingencies Increase (Decrease) to Liability

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- Definition

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

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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.

+ References

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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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