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Stock-Based Compensation Plan (Tables)
3 Months Ended
Mar. 31, 2018
Share-based Compensation [Abstract]  
Restricted Stock Activity
 
Three Months Ended
 
March 31,
 
2018
 
2017
 
Shares
 
Weighted
Average
Grant Date
Fair Value
 
Shares
 
Weighted
Average
Grant Date
Fair Value
Nonvested, beginning of period
14,401

 
$
24.68

 
14,901

 
$
23.05

Granted
11,450

 
32.00

 
9,650

 
25.50

Vested
(9,109
)
 
24.63

 
(5,250
)
 
23.15

Forfeited
(41
)
 
25.50

 

 

Nonvested, end of period
16,701

 
29.72

 
19,301

 
24.25