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EARNINGS PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Analysis of Basic and Diluted Earnings Per Share
The following is an analysis of basic and diluted EPS, reflecting the application of the two-class method, as described below:
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
 
2018
 
2017
 
2018
 
2017
Net income
 
$
14,057

 
$
11,339

 
$
39,094

 
$
31,649

Dividends and undistributed earnings allocated to participating securities(1)
 
(39
)
 
(46
)
 
(110
)
 
(134
)
Net income available to common shareholders
 
$
14,018

 
$
11,293

 
$
38,984

 
$
31,515

Weighted-average common shares outstanding for basic EPS
 
15,580,782

 
15,515,189

 
15,565,355

 
15,505,698

Dilutive effect of stock-based awards(2)
 
58,204

 
73,819

 
56,045

 
74,374

Weighted-average common and potential common shares for diluted EPS
 
15,638,986

 
15,589,008

 
15,621,400

 
15,580,072

Earnings per common share(1):
 
 

 
 

 
 
 
 
Basic EPS
 
$
0.90

 
$
0.72

 
$
2.50

 
$
2.03

Diluted EPS
 
$
0.90

 
$
0.72

 
$
2.50

 
$
2.02


(1) Represents dividends paid and undistributed earnings allocated to nonvested stock-based awards that contain non-forfeitable rights to dividends.
(2) Represents the effect of the assumed exercise of stock options and vesting of restricted shares and restricted stock units utilizing the treasury stock method. Not included are the unvested LTIP awards, which are the Company's performance-based awards.