DERIVATIVE FINANCIAL INSTRUMENTS (Details) - Warrant $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) tranche	Jun. 30, 2015 USD ($)
Derivative [Line Items]
Number of tranches \| tranche			5
Recorded gain on change in estimated fair value of warrants	$ 5.3		$ 5.3
Recorded loss on change in estimated fair value of warrants	$ 9.1	$ 29.4		$ 66.2

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+ References

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Aggregate gain on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

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Aggregate loss on all derivative instruments charged against earnings during the period, before tax effects.

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