Note 21 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
   

Asset/(Liability)

 
           

Fair Value Measurements Using Inputs

Considered as

 

Description

 

Fair Value at

December

31, 2015

   

Level 1

   

Level 2

   

Level 3

 

Derivative instruments

  $ 3,362     $ 3,362     $ -     $ -  

Preferred stock, trust preferred securities, exchange traded debt instruments, and other equity instruments

  $ 74,667     $ 74,667     $ -     $ -  
   

Asset/(Liability)

 
   

Fair Value at

December

31, 2014

   

Fair Value Measurements Using

 
       

Inputs Considered as

 

Description

     

Level 1

   

Level 2

   

Level 3

 

Derivative instruments

  $ 68     $ 68     $ -     $ -  

Preferred stock, trust preferred securities, exchange traded debt instruments, and other equity instruments

  $ 87,720     $ 87,720     $ -     $ -