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INCOME TAXES - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Valuation Allowance [Line Items] |  |  |
Tax expense from discontinued operations | $ (600,000) | $ 23,000,000 | $ 11,000,000
Valuation allowances | 16,800,000 | 18,300,000 |
Deductible from state and foreign temporary tax differences | 300,000 |  |
Undistributed earnings of its foreign subsidiaries | 200,000 |  |
Uncertain tax positions | 0 |  |
Unrecognized tax benefits, accrued interest and penalties | 0 | $ 0 | $ 0
Foreign |  |  |
Valuation Allowance [Line Items] |  |  |
Net operating loss | (9,000,000) |  |
Tax credit carryforward, amount | 1,700,000 |  |
Net operating loss carryforwards, valuation allowance | 9,000,000 |  |
Tax credit carryforward, valuation allowance | 1,700,000 |  |
State |  |  |
Valuation Allowance [Line Items] |  |  |
Operating loss carryforwards utilized in period | (2,800,000) |  |
Net operating loss carryforwards, valuation allowance | 5,800,000 |  |
French tax authority |  |  |
Valuation Allowance [Line Items] |  |  |
Tax expense from discontinued operations | $ (600,000) |  |

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