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Stock-Based Incentive Plans (Tables)
 12 Months Ended
Dec. 31, 2015
Share-based Compensation [Abstract]  
Stock Options Activity
The following table summarizes stock option activity for the Plans for the year ended December 31, 2015:
 
 
 
 
Weighted-Average
 
 
 
 
Options
 
Exercise
Price
 
Remaining
Contractual Term
 
Aggregate
Intrinsic Value
 
 
 
 
 
 
 
 
 
Outstanding at December 31, 2014
 
150,000

 
$
7.59

 
 
 
 
Exercised
 
(135,000
)
 
$
6.95

 
 
 
 
Outstanding at December 31, 2015
 
15,000

 
$
13.38

 
1 year
 
$
—

Vested
 
15,000

 
$
13.38

 
1 year
 
$
—

Exercisable at December 31, 2015
 
15,000

 
$
13.38

 
1 year
 
$
—
Nonvested Restricted Stock Activity
The following table summarizes nonvested restricted share activity for the year ended December 31, 2015:
 
 
Nonvested
Restricted Shares
 
Weighted
Average Grant Date Fair Value
 
 
 
 
 
Nonvested restricted stock at December 31, 2014
 
1,018,000

 
$
18.71

Granted
 
894,000

 
$
12.83

Vested
 
(615,000
)
 
$
18.69

Canceled
 
(468,000
)
 
$
15.13

Nonvested restricted stock at December 31, 2015
 
829,000

 
$
14.41
Restricted Stock Units Activity
The following table summarizes restricted stock unit activity for the year ended December 31, 2015:
 
 
Restricted
Stock Units
 
Weighted
Average Grant Date Fair Value
 
 
 
 
 
Nonvested restricted stock units outstanding at December 31, 2014
 
33,000

 
$
17.10

Granted
 
28,000

 
$
16.72

Vested
 
(26,000
)
 
$
18.48

Nonvested restricted stock units outstanding at December 31, 2015
 
35,000

 
$
15.78

Vested restricted stock units outstanding at December 31, 2015
 
75,000

 
$
23.32