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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Recurring [Member] - Derivative Instruments Liabilities [Member] - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Liabilities [Abstract] |  |
Total Liabilities | $ 18,751 | $ 3,785
Level 3 [Member] |  |
Liabilities [Abstract] |  |
Total Liabilities | $ 18,751 | $ 3,785

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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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