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Note 15 - Stock Repurchase Program (Tables)
 12 Months Ended
Dec. 31, 2012
Schedule of Repurchase Agreements [Table Text Block]
2011
 
Shares Repurchased
   
Average Price per Share
   
Value
(in thousands)
 
February
   
817,500
   
$
15.47
   
$
12,648
 
March
   
75,000
   
$
14.17
   
$
1,062
 
April
   
917,200
   
$
14.82
   
$
13,617
 
May
   
657,800
   
$
16.48
   
$
10,843
 
June
   
18,000
   
$
16.79
   
$
302
 
     
2,485,500
           
$
38,472
 
2010
 
Shares Repurchased
   
Average Price per Share
   
Value
(in thousands)
 
August
   
983,189
   
$
17.29
   
$
16,998
 
November
   
916,600
   
$
15.85
   
$
14,529
 
     
1,899,789
           
$
31,527