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Earnings per Share (EPS) (Tables)
 9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Reconciliation of Earnings per Share
The following is a reconciliation of the weighted average basic number of common shares outstanding to the diluted number of common and common stock equivalent shares outstanding and the calculation of earnings per share using the two-class method:

 
 
Three Months Ended
 
Nine Months Ended
 
September 30, 2019
 
September 30, 2018
 
September 30, 2019
 
September 30, 2018
Net income
$
6,451

 
$
14,090

 
$
16,546

 
$
31,251

Less: earnings attributable to unvested shares
(34
)
 
(57
)
 
(72
)
 
(112
)
Net income available to participating common shareholders
$
6,417

 
$
14,033

 
$
16,474

 
$
31,139

Weighted average number of participating common and potential common shares outstanding:
 
 
 
 
 
 
 
Basic number of participating common shares outstanding
19,583,316

 
19,525,284

 
19,575,764

 
19,511,097

Dilutive effect of stock equivalents
201,729

 
313,678

 
164,498

 
279,473

Diluted number of weighted average participating common shares outstanding
19,785,045

 
19,838,962

 
19,740,262

 
19,790,570

Earnings per participating common share:
 
 
 
 
 
 
 
Earnings per participating common share—Basic
$
0.33

 
$
0.72

 
$
0.84

 
$
1.60

Earnings per participating common share—Diluted
$
0.32

 
$
0.71

 
$
0.83

 
$
1.57

 
 
 
 
 
 
 
 
Total outstanding options, performance share awards and unvested restricted stock not included in the calculation of diluted earnings per share as the effect would be anti-dilutive
966,943

 
431,751

 
982,049

 
465,956