Earnings Per Share: Schedule of Earnings Per Share Reconciliation (Tables)
12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share Reconciliation
The following table presents a reconciliation of the components used to compute basic and diluted EPS for the periods indicated. 
 
Year Ended December 31,
 
2016
 
2015
 
2014
 
(Dollars in thousands, except share data)
Net income
$
8,892

 
$
9,160

 
$
10,687

Earnings allocated to participating securities
(21
)
 
(31
)
 
(52
)
Earnings allocated to common shareholders
$
8,871

 
$
9,129

 
$
10,635

 
 
 
 
 
 
Basic weighted-average common shares outstanding
11,868,278

 
13,528,393

 
14,747,086

Dilutive effect of stock options
143,605

 
136,670

 
116,624

Dilutive effect of restricted stock grants
16,545

 
20,919

 
23,488

Diluted weighted-average common shares outstanding
12,028,428

 
13,685,982

 
14,887,198

 
 
 
 
 
 
Basic earnings per share
$
0.75

 
$
0.67

 
$
0.72

Diluted earnings per share
$
0.74

 
$
0.67

 
$
0.71