Note 17 - Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
 
 
December 31, 2016
 
 
December 31, 2015
 
 
 
Before Tax
Amount
 
 
Tax Expense
(Benefit)
 
 
Net of Tax
Amount
 
 
Before Tax
Amount
 
 
Tax Expense
(Benefit)
 
 
Net of Tax
Amount
 
Securities available for sale and transferred securities:
                                               
Change in net unrealized gains (losses) during the period
  $
(2,971
 )   $
(6,025
 )   $
3,054
    $
(1,150
 )   $
(435
 )   $
(715
 )
Change in net unrealized loss on securities transferred to held to maturity
   
421
    $
107
     
314
     
356
     
139
     
217
 
Reclassification adjustment for net gains recognized in net income
   
87
     
33
     
54
     
(54
 )    
(20
 )    
(34
 )
Total securities available for sale and transferred securities
   
(2,463
 )    
(5,885
 )    
3,422
     
(848
 )    
(316
 )    
(532
 )
                                                 
Derivatives:
                                               
Change in the accumulated loss on effective cash flow hedge derivatives
   
2,894
     
7,273
     
(4,379
 )    
(1,788
 )    
(674
 )    
(1,114
 )
Change in the accumulated loss on terminated cash flow hedge derivatives
   
(1,731
 )    
-
     
(1,731
 )    
-
     
-
     
- 
  
Reclassification adjustment for interest payments
   
713
     
(1,556
 )    
2,269
     
414
     
156
     
258
 
Total derivatives
   
1,876
     
5,717
     
(3,841
 )    
(1,374
 )    
(518
 )    
(856
 )
                                                 
Total other comprehensive income (loss)
  $
(587
 )   $
(168
 )   $
(419
 )   $
(2,222
 )   $
(834
 )   $
(1,388
 )
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
Securities
Available for
Sale
 
 
Securities
Transferred
from Available
for Sale to Held
t
o Maturity
 
 
Derivatives
 
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Balance, January 1, 2016
  $
564
    $
(1,065
 )   $
(2,362
 )   $
(2,863
 )
Other comprehensive income (loss) before reclassifications
   
3,368
     
-
     
(4,379
 )    
(1,011
 )
Amounts reclassified from accumulated other comprehensive income (loss)
   
54
     
-
     
2,269
     
2,323
 
Change in the accumulated loss on terminated cash flow hedge derivatives
   
-
     
-
     
(1,731
 )    
(1,731
 )
Transfer of securities from available for sale to held to maturity
   
(314
 )    
314
     
-
     
-
 
Net other comprehensive income (loss) during the period
   
3,108
     
314
     
(3,841
 )    
(419
 )
Balance, December 31, 2016
  $
3,672
    $
(751
 )   $
(6,203
 )   $
(3,282
 )
                                 
Balance, January 1, 2015
  $
1,313
    $
(1,282
 )   $
(1,506
 )   $
(1,475
 )
Other comprehensive income (loss) before reclassifications
   
(498
 )    
-
     
(1,114
 )    
(1,612
 )
Amounts reclassified from accumulated other comprehensive income (loss)
   
(34
 )    
-
     
258
     
224
 
Transfer of securities from available for sale to held to maturity
   
(217
 )    
217
     
-
     
-
 
Net other comprehensive income (loss) during the period
   
(749
 )    
217
     
(856
 )    
(1,388
 )
Balance, December 31, 2015
  $
564
    $
(1,065
 )   $
(2,362
 )   $
(2,863
 )