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Note 13 - Income Taxes (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 13 - Income Taxes (Details) [Line Items]      
Income Taxes Receivable $ 3,400,000 $ 7,300,000  
Deferred Tax Assets, Valuation Allowance 11,087,000 11,641,000  
Valuation Allowance, Deferred Tax Asset, Change in Amount (600,000)    
Income Tax Expense (Benefit) 60,574,000 49,062,000 33,060,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 900,000    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00% 35.00% 35.00%
State and Local Jurisdiction [Member]
      
Note 13 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards, Valuation Allowance 900,000    
State and Local Jurisdiction [Member] | Minimum [Member]
      
Note 13 - Income Taxes (Details) [Line Items]      
Open Tax Year 2009    
State and Local Jurisdiction [Member] | Maximum [Member]
      
Note 13 - Income Taxes (Details) [Line Items]      
Open Tax Year 2013    
Internal Revenue Service (IRS) [Member] | Minimum [Member]
      
Note 13 - Income Taxes (Details) [Line Items]      
Open Tax Year 2010    
Internal Revenue Service (IRS) [Member] | Maximum [Member]
      
Note 13 - Income Taxes (Details) [Line Items]      
Open Tax Year 2013    
Capital Loss Carryforward [Member]
      
Note 13 - Income Taxes (Details) [Line Items]      
Income Tax Expense (Benefit) $ (1,500,000)