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Note 5 - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Inputs, Level 1 [Member]
Fair Value of Derivatives
Fair Value, Inputs, Level 2 [Member]
Fair Value of Derivatives	$ (26,280)	$ (28,434)
Fair Value, Inputs, Level 3 [Member]
Fair Value of Derivatives
Fair Value of Derivatives	$ (26,280)	$ (28,434)

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

+ Details

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