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COMMITMENTS AND CONTINGENCIES (Details) - Securities Lawsuits | 1 Months Ended |
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Apr. 30, 2017 USD ($) | Dec. 31, 2017 lawsuit case
COMMITMENTS AND CONTINGENCIES |  |
Number of purported class action lawsuits that have been filed | lawsuit |  | 2
Number of cases that have been filed | case |  | 3
Settlement amount paid by entity to settlement escrow account | $ 250,000 |
Settlement amount paid by insurance providers to settlement escrow account | $ 6,000,000 |

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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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