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FAIR VALUE MEASUREMENT - Gain (Loss) Recognized in Statements of Operation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | $ 27,322 | $ (12,196) | $ 19,656
Foreign exchange forward contracts |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | 4,798 | (3,738) | $ 19,656
Warrants |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | 24,554 | (8,887) |
Commodity hedge |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | 75 | (7) |
Interest rate swaption |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | (4,335) | (107) |
Interest rate swap |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | $ 2,230 | $ 543 |

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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