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Earnings Per Share (Notes)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Earnings Per Share
Amounts reported in earnings per share reflect net income available to common stockholders for the period divided by the weighted average number of shares of common stock outstanding during the period, exclusive of unearned ESOP shares and unvested restricted stock shares. Stock options and restricted stock are regarded as potential common stock and are considered in the diluted earnings per share calculations to the extent that they would have a dilutive effect if converted to common stock.
 
For the years ended
December 31,
 
2018
 
2017
Net income available to common stockholders
$
19,342

 
$
9,004

Average common shares outstanding
17,434,780

 
18,429,018

Less:
 
 
 
Unearned ESOP shares
—

 
(148,179
)
Unvested restricted stock shares
(435
)
 
(940
)
Weighted average common shares outstanding
17,434,345

 
18,279,899

Add - Net effect of dilutive stock options and unvested restricted stock
—

 
437

Weighted average dilutive common shares outstanding
17,434,345

 
18,280,336

Basic earnings per common share
$
1.11

 
$
0.49

Diluted earnings per common share
$
1.11

 
$
0.49