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Stock-Based Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Schedule of Option Pricing Assumptions and Estimated Fair Value
The following table presents the option pricing assumptions and the estimated fair value of the options using these assumptions for grants made for the year ended:
 
December 31,
 
2016
 
2015
 
2014
Weighted-average dividend yield
3.12
%
 
3.01
%
 
2.90
%
Weighted-average risk-free interest rate
1.52
%
 
1.50
%
 
1.65
%
Weighted-average expected volatility
29.64
%
 
31.85
%
 
35.39
%
Weighted-average expected life (in years)
5.3

 
5.3

 
5.3

Weighted-average fair value of options granted
$
5.17

 
$
5.87

 
$
5.95
Schedule of Stock Option Activity
Stock option activity for the year ended December 31, 2016 is as follows:
 
 
Number of Shares(1)
 
Weighted-Average
Exercise Price
 
Weighted-Average
Remaining
Contractual Term
 
Aggregate Intrinsic Value
Options outstanding at January 1, 2016
 
219,399

 
$
16.93

 
  
 
 
Granted
 
3,000

 
25.64

 
  
 
  

Exercised
 
(157,956
)
 
15.53

 
  
 
  

Forfeited and expired
 
(5,700
)
 
22.93

 
 
 
 
Options outstanding at December 31, 2016
 
58,743

 
$
20.38

 
3.82
 
$
1,558

Options exercisable at December 31, 2016
 
49,293

 
$
19.62

 
3.91
 
$
1,224
Summary of Nonvested Stock Options
A summary of the status of the Company’s nonvested stock options as of December 31, 2016 and changes during the year then ended is presented below:
 
Awards
 
Weighted-Average
Grant Date
Fair Value
Nonvested at January 1, 2016
17,351

 
$
7.40

Granted
3,000

 
5.17

Vested
(7,751
)
 
8.13

Forfeited
(3,150
)
 
5.92

Nonvested at December 31, 2016
9,450

 
$
6.59
Summary of Activity Related to Restricted Stock Awards and Stock Purchase Grants
The following table presents a summary of the activity related to restricted stock, restricted stock units and MSPP for the period indicated:
 
Restricted Stock and Restricted Stock Units
 
MSPP
  
Number of Shares
 
Weighted-Average
Grant Date
Fair Value
 
Number of Shares
 
Weighted-Average
Grant Date
Fair Value
Nonvested at January 1, 2016
38,391

 
$
27.09

 
18,800

 
$
7.85

Granted
32,016

 
28.88

 
16,000

 
8.02

Vested
(22,000
)
 
27.40

 
(6,988
)
 
8.21

Forfeited
(894
)
 
26.55

 
(1,113
)
 
8.10

Nonvested at December 31, 2016
47,513

 
$
28.16

 
26,699

 
$
7.85
Summary of Activity Related to Long-term Performance Share Plan
The following table presents a summary of the activity related to LTIP for the period indicated:
  
Number of Shares
 
Weighted-Average
Grant Date
Fair Value
Nonvested at January 1, 2016
64,165

 
$
26.71

Granted
17,385

 
28.87

Vested
(26,396
)
 
27.45

Forfeited
(2,417
)
 
27.45

Nonvested at December 31, 2016
52,737

 
$
27.01
Restricted Stock Awards and Management Stock Purchase Plan [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Schedule of Compensation Expense
Compensation expense recognized in connection with the restricted stock units, restricted stock awards, and MSPP is presented in the following table:
 
For The Year Ended
December 31,
  
2016
 
2015
 
2014
Restricted stock and restricted stock units
$
703

 
$
327

 
$
254

MSPP
102

 
66

 
67

Total compensation expense
$
805

 
$
393

 
$
321

Related income tax benefit
$
282

 
$
137

 
$
112

Fair value of grants vested
$
660

 
$
433

 
$
332
Long-Term Performance Share Plan [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Schedule of Compensation Expense
Compensation expense recognized in connection with the LTIP is presented in the following table:
 
For The Year Ended
December 31,
  
2016
 
2015
 
2014
Compensation expense(1)
$
1,080

 
$
330

 
$
151

Related income tax benefit
$
378

 
$
116

 
$
53

Fair value of grants vested
$
725

 
$
412

 
$
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