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ACCOUNTING POLICIES (Concentration) (Details) - Minimum | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues | Customer concentration risk |  |  |
Concentration of Credit Risk |  |  |
Percentage for concentration of credit risk disclosure | 3.00% | 3.00% | 3.00%
Accounts receivable | Credit concentration risk |  |  |
Concentration of Credit Risk |  |  |
Percentage for concentration of credit risk disclosure | 7.00% | 7.00% |

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- Definition Threshold percentage which the entity uses for disclosure. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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