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

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant