REMEDIAL LIABILITIES (Additional Information) (Details) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
location
|
|
Site Contingency [Line Items] | ||
Changes in estimates recorded to consolidated statement of operations | $ 4,130 | $ (3,017) |
Number of locations, accrual for environmental loss contingencies | location | 5 | |
Accrual for environmental loss contingencies | 5.00% | |
Remedial Liabilities for Inactive Sites | ||
Site Contingency [Line Items] | ||
Increase in estimated remedial liability | $ 3,300 | |
Changes in estimates recorded to consolidated statement of operations | 2,873 | $ (913) |
Remedial Liabilities for Superfund Sites | ||
Site Contingency [Line Items] | ||
Increase in estimated remedial liability | $ 1,800 |