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Note 12 - Derivative Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments [Table Text Block]
   

Notional

Amount

  

Net Carrying

Value(1)
    (In thousands)
                 
Interest rate swaps (non-hedge)   $ 36,321     $ (3,119 )
Interest rate swaps (hedge)     52,830       (1,960 )
Total derivatives   $ 89,151     $ (5,079 )
   

Notional

Amount

  

Net Carrying

Value (1)
    (In thousands)
         
Interest rate swaps (non-hedge)   $ 36,321     $ (2,239 )
Interest rate swaps (hedge)     4,131       84  
Interest rate swaps (hedge)     10,340       (410 )
Total derivatives   $ 50,792     $ (2,565 )
Derivative Instruments, Gain (Loss) [Table Text Block]
   

For the three months ended

September 30,

  

For the nine months ended

September 30,
(In thousands)   2015   2014   2015   2014
                 
Financial Derivatives:                                
Interest rate swaps (non-hedge)   $ (1,753 )   $ (300 )   $ (882 )   $ (2,033 )
Interest rate swaps (hedge)     (387 )     (28 )     (433 )     (89 )
Net loss (1)   $ (2,140 )   $ (328 )   $ (1,315 )   $ (2,122 )