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Note 1 - Basis of Presentation (Details) - Property and Equipment (USD $)
In Thousands, unless otherwise specified
9 Months Ended 9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2014
Land [Member]
Dec. 31, 2013
Land [Member]
Sep. 30, 2014
Building and Building Improvements [Member]
Minimum [Member]
Sep. 30, 2014
Building and Building Improvements [Member]
Maximum [Member]
Sep. 30, 2014
Building and Building Improvements [Member]
Dec. 31, 2013
Building and Building Improvements [Member]
Sep. 30, 2014
Equipment [Member]
Minimum [Member]
Sep. 30, 2014
Equipment [Member]
Maximum [Member]
Sep. 30, 2014
Equipment [Member]
Dec. 31, 2013
Equipment [Member]
Property and equipment:                        
Property and Equipment $ 492,802 $ 408,280 $ 32,021 $ 25,656     $ 73,546 $ 59,021     $ 387,235 $ 323,603
Estimated Useful Lives         7 years 40 years     3 years 20 years    
Accumulated depreciation (275,656) (264,659)                    
Total property and equipment, net $ 217,146 $ 143,621