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SHARE-BASED PAYMENTS - Schedule of Compensation Costs for Share-based Payment Arrangements (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Share-based compensation | $ 3,771 | $ 2,762 | $ 3,525

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