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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) lease
Property, Plant and Equipment [Line Items] |  |  |
Tax Cuts and Jobs Act of 2017, Reclassification from AOCI to Retained Earnings, tax effect | $ 1.8 | $ 1.8 |
Forecast | Use Rights |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant, and equipment, gross |  |  | $ 10.0
Number of leased facilities | lease |  |  | 15

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