COMMITMENTS AND CONTINGENCIES - Schedule of Client Revenue Concentrations (Details) |
12 Months Ended | |
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Dec. 31, 2017 |
Dec. 31, 2016 |
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| Customer Concentration Risk | Revenue | North America | Client A | ||
| Product Information [Line Items] | ||
| Concentration Risk | 13.30% | 13.40% |
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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