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Employee Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2017
Share-based Compensation [Abstract]  
Summary Of Stock Option Activity
A summary of the Company’s stock option activity and related information is presented below:
 
Nine months ended September 30,
 
2017
2016
Options
Weighted-Average Exercise Price
Options
Weighted-Average Exercise Price
Outstanding at January 1
86,613

$
41.08

95,015

$
38.38

Granted
17,631

66.32

24,348

43.73

Exercised
(16,639
)
35.91

(21,000
)
33.57

Outstanding at September 30
87,605

$
47.15

98,363

$
40.76

 
 
 
 
 
Exerciseable at September 30
7,887

$
37.37

14,750

$
36.53


 
Information regarding stock option exercises and stock-based compensation expense associated with stock options is provided in the following table (in thousands):    
 
Nine months ended September 30,
 
2017
2016
Proceeds from stock option exercises
$
597

$
705

Intrinsic value of stock options exercised
481

317

 
 
 
Stock-based compensation expense associated with stock options
$
186

$
180

 
 
 
At period-end:
September 30, 2017
 
Unrecognized stock-based compensation expense associated with stock options
$
442

 
Weighted average period (in years) in which the above amount is expected to be
 
 
   recognized
2.7

 
Stock Options Outstanding And Exercisable

Additional information regarding stock options outstanding and exercisable at September 30, 2017, is provided in the following table:
Ranges of Exercise Prices
No. of Options Outstanding
Weighted-Average Exercise Price
Weighted-Average Remaining Contractual Life (Years)
Aggregate Intrinsic Value (in thousands)
No. of Options Currently Exercisable
Weighted-Average Exercise Price of Options Currently Exercisable
Weighted-Average Remaining Contractual Life (Years)
Aggregate Intrinsic Value of Options Currently Exercisable (in thousands)
$30.00 - $34.99
500

$
30.38

1.1
21

500

$
30.38

1.1

$
21

35.00 - 39.99
20,854

37.13

5.2
725

5,379

35.39

4.5

196

40.00 - 44.99
35,659

43.95

7.8
997

2,008

44.43

6.5

55

45.00 - 49.99
12,961

46.61

7.4
328

—

—

—

—

50.00 - 70.00
17,631

66.32

9.4
$
99

—

—

—

$
—

 
87,605

 
 
$
2,170

7,887

 
 
$
272
Weighted Average Assumptions Estimate The Fair Value Of Options Granted
 The following weighted average assumptions were used to estimate the fair value of options granted:

 
Nine months ended September 30,
 
2017
2016
Risk-free interest rate
2.12
%
1.43
%
Expected dividend yield
2.60
%
3.86
%
Volatility factor
25.80
%
30.76
%
Expected life of option
7.0 years

7.0 years
Restricted Shares Activity And Related Information
A summary of the Company’s restricted shares activity and related information is presented below:
 
Nine months ended September 30,
 
2017
2016
Restricted Awards
Average Market Price at Grant
Restricted Awards
Average Market Price at Grant
Outstanding at January 1
182,122

$
39.40

172,921

$
37.83

Granted
27,339

64.42

28,801

46.16

Forfeited
(1,850
)
42.25

(500
)
46.54

Vested
(37,278
)
35.02

(22,200
)
33.81

Outstanding at September 30
170,333

$
44.35

179,022

$
39.21



Information regarding stock-based compensation associated with restricted shares is provided in the following table (in thousands):

 
Nine months ended September 30,
 
2017
2016
Stock-based compensation expense associated with restricted shares
$
1,107

$
1,010

 
 
 
At period-end:
September 30, 2017
 
Unrecognized stock-based compensation expense associated with restricted shares
$
3,606

 
Weighted average period (in years) in which the above amount is expected to be
 
 
   recognized
3.4

 
Net Periodic Pension Cost Of The Defined Benefit Plan
The following table presents details of the Company's activities pursuant to these plans (in thousands):
 
Three months ended September 30,
Nine months ended September 30,
2017
2016
2017
2016
Components of net periodic cost:
 
 
 
 
Interest cost
$
193

$
205

$
579

$
615

Expected return on plan assets
(294
)
(288
)
(883
)
(865
)
Net amortization and deferral
212

212

641

636

Net Periodic Pension Cost
$
111

$
129

$
337

$
386

 
 
 
 
 
401(k) Plan expense
$
207

$
197

$
654

$
615

 
 
 
 
 
Defined Benefit Plan contributions
$
—

$
—

$
—

$
—