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NET INCOME PER COMMON SHARE Net Income Per Common Share (Tables)
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] The following tables illustrate the computation of basic and diluted net income per common share for the periods indicated (in thousands, except per share data): 
 
Three Months Ended March 31,
 
2018
 
2017
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per Share Amount
 
Income
(Numerator)
 
Shares
(Denominator)
 
Per Share Amount
Basic net income per common share:
 
 
 
 
 
 
 
 
 
 
 
Net income available to common stockholders
$
8,824

 
11,286

 
$
0.78

 
$
10,425

 
11,229

 
$
0.93

Effect of dilutive securities:
 
 
 
 
 
 
 
 
 
 
 
Non-vested restricted stock
—

 
2

 
 

 
—

 
22

 
 

Diluted net income per common share:
 
 
 
 
 
 
 
 
 
 
 
Net income available to common stockholders plus assumed conversions
$
8,824

 
11,288

 
$
0.78

 
$
10,425

 
11,251

 
$
0.93