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COMMITMENTS AND CONTINGENCIES - Environmental Remediation Liability (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Accrual for Environmental Loss Contingencies [Roll Forward]    
Beginning balance $ 6,335 $ 5,887
Obligations settled (18) (49)
Ending balance 6,343 5,864
Less: current portion 1,131 304
Long-term portion 5,212 5,560
Other environmental remediation sites    
Accrual for Environmental Loss Contingencies [Roll Forward]    
Accretion expense $ 26 $ 26