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STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock option activity
The following table summarizes the stock option activity during the year ended December 31, 2014 for all grants under the Equity Compensation Plan:
 
 
Options
 
Weighted
Average
Exercise
Price
Outstanding at January 1, 2014
 
570,483

 
$
10.43

Granted
 

 

Exercised
 
(184,798
)
 
10.25

Forfeited
 

 

Cancelled
 
(1,250
)
 
9.88

Outstanding at December 31, 2014
 
384,435

 
10.52

Vested and expected to vest
 
384,435

 
10.52

Exercisable at December 31, 2014
 
384,435

 
$
10.52

Summary of stock options outstanding and exercisable by price range
A summary of stock options outstanding and exercisable by price range at December 31, 2014 is as follows (in thousands, except share and per share data):
 
 
Outstanding and Exercisable
 
 
Number of
Options
Outstanding
at December 31,
 
Weighted
Average
Remaining
Contractual
 
Weighted
Average
Exercise
 
Aggregate
Intrinsic
Exercise Price
 
2014
 
Life (Years)
 
Price
 
Value (A)
$8.14-$10.04
 
94,365
 
0.1
 
$
8.33

 
$
1,832

$10.51-$10.68
 
238,800
 
1.0
 
$
10.52

 
$
4,116

$12.04-$18.34
 
51,270
 
1.72
 
$
14.58

 
$
675

Total
 
384,435
 
0.88
 
$
10.52

 
$
6,623


_______________________________________________
(A) The difference between the stock option’s exercise price and the closing price of the common stock at December 31, 2014.
Restricted stock and units activity
The following table summarizes the activity related to restricted stock award share based payment awards:
 
 
Number of
Shares
 
Weighted-
Average
Grant-Date
Fair Value
Unvested, January 1, 2014
 
321,018

 
$
22.35

Granted
 
31,412

 
33.40

Vested
 
(165,559
)
 
22.03

Forfeited
 
(400
)
 
31.11

Unvested, December 31, 2014
 
186,471

 
$
24.47

The following table summarizes the activity related to restricted stock unit share based payment awards:
 
 
Number of
Shares
 
Weighted-
Average
Grant-Date
Fair Value
Unvested, January 1, 2014
 
205,578

 
$
34.40

Granted
 
100,827

 
31.76

Vested
 
(92,306
)
 
34.91

Forfeited
 
(5,986
)
 
33.20

Unvested, December 31, 2014
 
208,113

 
$
32.93

Schedule of Nonvested Performance-based Units Activity [Table Text Block]
The following table summarizes the activity related to performance unit awards:
 
 
Number of
Shares
 
Weighted-
Average
Grant-Date
Fair Value
Unvested, January 1, 2014
 
35,776

 
$
40.17

Granted
 
36,092

 
38.67

Vested
 

 

Forfeited
 

 

Unvested, December 31, 2014
 
71,868

 
$
39.42