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INCOME TAXES - Additional information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Income Taxes |  |  |  |
Income Tax Credits and Adjustments | $ 100 |  | $ 1,200 |
Effective Income Tax Rate Reconciliation, Percent |  |  | 9.00% |
Discrete Items Income Tax Benefit | 100 | $ 400 | $ 1,200 | $ 400
Income tax expense | 1,063 | 422 | 580 | 1,208
Income taxes paid |  |  | $ 600 | 2,000
Estimated Rate One [Member] |  |  |  |
Income Taxes |  |  |  |
Effective Income Tax Rate Reconciliation, Percent |  |  | 27.00% |
Estimated Ta rate Two [Member] |  |  |  |
Income Taxes |  |  |  |
Effective Income Tax Rate Reconciliation, Percent |  |  | 18.00% |
Discrete Items Recognized [Member] |  |  |  |
Income Taxes |  |  |  |
Income tax expense | $ 1,100 | $ 400 | $ 600 | $ 1,200

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