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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes stock option activity under the Company’s active stock option plans for the year ended December 31, 2016:
 
Number of
Shares
 
Weighted-Average
Exercise Price
 
Weighted-Average
Remaining
Contract Life
Outstanding options, beginning of year
1,387,378

 
$
17.06

 
 
Exercised
(441,241
)
 
17.68

 
 
Forfeited
(5,294
)
 
17.33

 
 
Outstanding options, end of year
940,843

 
$
16.77

 
2.88 years
Outstanding options exercisable, end of year
940,843

 
$
16.77

 
2.88 years
Information with respect to the Company’s nonvested stock options as of and for the year ended December 31, 2016 follows:
 
Number of
Shares
 
Weighted-Average
Grant Date Fair Value
Nonvested stock options, beginning of year
121,782

 
$
3.48

Vested
(118,088
)
 
3.48

Forfeited
(3,694
)
 
3.48

Nonvested stock options, end of year
—

 
$
—
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
The following table presents information regarding the Company’s restricted stock as of December 31, 2016:
 
Number of
Shares
 
Weighted-Average
Measurement Date
Fair Value
Restricted stock, beginning of year
303,639

 
$
25.15

Granted
190,239

 
26.27

Vested
(146,979
)
 
24.18

Forfeited
(29,844
)
 
25.67

Restricted stock, end of year
317,055

 
$
26.22