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Note 1 - Organization, Nature of Business and Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment, Gross $ 1,596,421 $ 1,676,183
Less: accumulated depreciation (683,189) (499,894)
913,232 1,176,289
Construction in progress 37,579 34,152
Property, plant and equipment, net $ 950,811 1,210,441
Minimum [Member]    
Estimated Useful Lives (Year) 3 years  
Maximum [Member]    
Estimated Useful Lives (Year) 25 years  
Land [Member]    
Property, Plant and Equipment, Gross $ 46,000 44,592
Building and Building Improvements [Member]    
Property, Plant and Equipment, Gross $ 121,915 153,320
Building and Building Improvements [Member] | Minimum [Member]    
Estimated Useful Lives (Year) 5 years  
Building and Building Improvements [Member] | Maximum [Member]    
Estimated Useful Lives (Year) 25 years  
Furniture and Fixtures [Member]    
Property, Plant and Equipment, Gross $ 29,435 28,709
Furniture and Fixtures [Member] | Minimum [Member]    
Estimated Useful Lives (Year) 3 years  
Furniture and Fixtures [Member] | Maximum [Member]    
Estimated Useful Lives (Year) 5 years  
Machinery and Equipment [Member]    
Property, Plant and Equipment, Gross $ 1,219,645 1,225,505
Machinery and Equipment [Member] | Minimum [Member]    
Estimated Useful Lives (Year) 3 years  
Machinery and Equipment [Member] | Maximum [Member]    
Estimated Useful Lives (Year) 10 years  
Transportation Equipment [Member]    
Property, Plant and Equipment, Gross $ 179,426 $ 224,057
Estimated Useful Lives (Year) 5 years