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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2018 | Jun. 30, 2018
Retained Earnings |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Adoption of ASU No. 2018-02 | $ 2,163 | $ 2,163
Accumulated Other Comprehensive Income (loss) |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Adoption of ASU No. 2018-02 |  | $ (2,163)

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