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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2017 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018
Commitments and contingencies |  |  |  |
Environmental Remediation Expense | $ 1,500,000 |  |  |
Brazil |  |  |  |
Commitments and contingencies |  |  |  |
Accrual for Environmental Loss Contingencies | $ 1,500,000 | $ 500,000 |  |
Payments to settle environmental loss contingency |  | 600,000 |  |
Brazil | Reduction of gross receipts tax |  |  |  |
Commitments and contingencies |  |  |  |
Recovery of part of claim |  |  | $ 2,700,000 | $ 631,000
Brazil | Reduction of gross receipts tax | Cost of Sales |  |  |  |
Commitments and contingencies |  |  |  |
Recovery of part of claim |  |  | 1,700,000 |
Brazil | Reduction of gross receipts tax | Interest Income |  |  |  |
Commitments and contingencies |  |  |  |
Recovery of part of claim |  |  | $ 1,000,000.0 |
Brazil | Minimum | Reduction of gross receipts tax |  |  |  |
Commitments and contingencies |  |  |  |
Estimated potential recoveries |  | 3,000,000 |  |
Brazil | Maximum | Reduction of gross receipts tax |  |  |  |
Commitments and contingencies |  |  |  |
Estimated potential recoveries |  | 10,000,000 |  |
Indemnification agreements |  |  |  |
Commitments and contingencies |  |  |  |
Liabilities recorded under indemnification agreements |  | 0 |  |
Tax Assessment | Brazil |  |  |  |
Commitments and contingencies |  |  |  |
Estimated loss contingency |  | 7,900,000 |  |
Loss contingency liability recorded |  | 0 |  |
Tax Assessment, Interest | Brazil |  |  |  |
Commitments and contingencies |  |  |  |
Estimated loss contingency |  | 3,000,000.0 |  |
Tax Assessment, Penalites | Brazil |  |  |  |
Commitments and contingencies |  |  |  |
Estimated loss contingency |  | $ 1,000,000.0 |  |

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