Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Schedule of Intangible Asset Lives) (Details)

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12 Months Ended
Dec. 31, 2015
Dec. 31, 2013
All Other Segments [Member] | Permits [Member] | Maximum [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Asset, Useful Life 28 years  
Amapa [Member] | Investments in Ventures [Member]    
Finite-Lived Intangible Assets [Line Items]    
Ownership interest, equity method investment   30.00%