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RECEIVED SETTLEMENTS AND COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) Claim | Dec. 31, 2017 USD ($) Claim | Dec. 31, 2016 USD ($)
Received settlements [Abstract] |  |  |
Settlement amount | $ | $ 0 | $ 0 | $ 5,328
Commitments and Contingencies [Abstract] |  |  |
Number of claims filed | Claim | 0 | 0 |

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