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NEW MARKET TAX CREDIT (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2014 USD ($) facility
Other long-term liabilities |  |  |
Disclosures related to New Market Tax Credit |  |  |
Financing arrangement, amount outstanding | $ 2.4 |  |
New Market Tax Credit Program |  |  |
Disclosures related to New Market Tax Credit |  |  |
Net proceeds received from financing arrangements |  |  | $ 2.4
Number of facilities receiving working capital and capital improvements from financing agreements | facility |  |  | 1
Amortization of contribution liability recognized as a decrease in expenses | 0.1 | $ 0.1 |
New Market Tax Credit Program | Other long-term liabilities |  |  |
Disclosures related to New Market Tax Credit |  |  |
Financing arrangement, amount outstanding | 1.3 |  |
Variable Interest Entity, Primary Beneficiary |  |  |
Disclosures related to New Market Tax Credit |  |  |
Debt issuance costs |  |  | $ 0.2
Investor | New Market Tax Credit Program |  |  |
Disclosures related to New Market Tax Credit |  |  |
Recapture period |  |  | 7 years
Investor | Variable Interest Entity, Primary Beneficiary | Cash and cash equivalents |  |  |
Disclosures related to New Market Tax Credit |  |  |
Financing arrangement, investor contribution | $ 2.4 |  |
Investor | Variable Interest Entity, Primary Beneficiary | Other long-term liabilities |  |  |
Disclosures related to New Market Tax Credit |  |  |
Financing arrangement, amount outstanding |  | $ 1.6 |

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