Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2016
Share-Based Compensation [Abstract]  
Summary of Stock Option Activity
Stock option activity during the year ended December 31, 2016 is as follows:

  
Number of
Shares
  
Weighted
Average
Exercise
Price
  
Weighted
Average
Contractual
Term (Years)
  
Aggregate
Intrinsic
Value
 
             
Outstanding balance at January 1, 2016
  
4,440
  
$
12.49
       
Exercised during the year
  
(4,440
)
 
$
12.49
       
Outstanding balance at December 31, 2016
  
-
  
$
-
   
N/A
  
$
-
 
Exercisable at December 31, 2016
  
-
  
$
-
   
N/A
  
$
-
 
Status of Entity's Nonvested Shares
A summary of the status of the Company’s nonvested restricted and performance shares as of December 31, 2016, and changes during the year ended December 31, 2016, are presented below:
 
  
Restricted Awards
  
Performance Awards
 
  
Number of
Shares
  
Weighted
Average
Fair
Value
  
Number of
Shares
   
Weighted
Average
Exercise
Price
 
             
Outstanding balance at January 1, 2016
  
156,331
  
$
19.45
   
495,005
  
$
17.84
 
Granted
  
110,181
   
23.78
   
234,121
   
23.85
 
Lapsed
  
(99,276
)
  
20.14
   
(89,171
)
  
16.17
 
Forfeited (due to termination)
  
(5,412
)
  
20.27
   
(60,218
)
  
16.67
 
Forfeited (due to performance payout less than 100%)
  
-
   
-
   
(121,542
)
  
18.61
 
Outstanding balance at December 31, 2016
  
161,824
  
$
21.94
   
458,195
  
$
21.44