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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity Under the Plan
The following is a summary of stock option activity under the 2007 Plan and 2006 Plan for the nine months ended September 30, 2014:
 
 
Number of
Shares
 
Weighted-
Average
Exercise
Price Per
Share
 
Weighted-
Average
Remaining
Contractual
Life (Years)
 
Aggregate
Intrinsic
Value
Outstanding - January 1, 2014
420,594

 
$
20.44

 
 
 
 
Granted
210,000

 
15.91

 
 
 
 
Exercised

 

 
 
 
 
Expired
(38,942
)
 
17.94

 
 
 
 
Forfeited

 

 
 
 
 
Outstanding - September 30, 2014
591,652

 
$
19.00

 
2.2
 
$

Options exercisable - September 30, 2014
381,652

 
$
20.70

 
2.2
 
$

Summary of Restricted and Performance Unit Activity Under the Plan
The following is a summary of restricted and performance unit activity under the 2007 Plan and 2006 Plan for the nine months ended September 30, 2014:
 
 
Number of
Shares
 
Weighted-
Average Grant Date
Fair Value
Outstanding - January 1, 2014
200,165

 
$
11.57

Granted
66,000

 
16.20

Vested
(59,326
)
 
10.56

Forfeited
(22,963
)
 
12.05

Outstanding - September 30, 2014
183,876

 
$
13.55