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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) | 6 Months Ended
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Jun. 30, 2017 segment Country
Accounting Policies [Abstract] |
Number of countries in which entity operates | Country | 30
Number of reportable segments | segment | 3

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- References No definition available. + Details
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- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration