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STOCK-BASED COMPENSATION PLANS (Tables)
 12 Months Ended
Dec. 31, 2015
STOCK-BASED COMPENSATION PLANS [Abstract]  
Share Option and Award Activity
The following table summarizes our equity award activity during the years ended December 31, 2015, 2014 and 2013:

  
Restricted Stock Award
  
Stock-Settled
Appreciation Rights
  
Options
 
 
 
Shares or Units
  
Weighted-Average
Award Price
  
Rights
  
Weighted-Average
Award Price
  
Shares
  
Weighted-Average
Exercise Price
 
Outstanding at January 1, 2012
  
555,925
  
$
12.28
   
121,749
  
$
8.85
   
50,000
  
$
20.56
 
Granted
  
162,150
   
18.15
   
112,000
   
18.14
   
—
   
—
 
Exercised or restrictions lapsed(1)
  
(277,975
)
  
12.24
   
(84,049
)
  
8.90
   
(48,000
)
  
20.75
 
Forfeited or expired
  
(3,100
)
  
15.00
   
—
   
—
   
(2,000
)
  
15.90
 
Outstanding at December 31, 2013
  
437,000
   
14.46
   
149,700
   
15.78
   
—
   
—
 
Granted
  
146,748
   
28.72
   
—
   
—
         
Exercised or restrictions lapsed(1)
  
(235,925
)
  
14.01
   
(13,725
)
  
12.30
         
Forfeited or expired
  
(26,501
)
  
24.28
   
(6,000
)
  
18.14
         
Outstanding at December 31, 2014
  
321,322
  
$
20.49
   
129,975
  
$
16.04
   
—
   
—
 
Granted
  
176,135
   
23.97
   
—
   
—
         
Exercised or restrictions lapsed(1)
  
(147,595
)
  
18.94
   
(29,100
)
  
8.74
         
Forfeited or expired
  
(5,372
)
  
24.84
   
—
             
Outstanding at December 31, 2015
  
344,490
  
$
22.87
   
100,875
  
$
18.14
   
—
   
—
 
Exercisable at December 31, 2015
          
48,875
  
$
18.14
         
Restricted units expected to vest
  
344,490
  
$
22.87
                 
Exercisable at December 31, 2014
          
51,975
  
$
12.88
   
—
   
—
 
Exercisable at December 31, 2013
          
37,700
  
$
8.76
   
—
   
—
 
(1) The total intrinsic value of options and stock-settled appreciation rights exercised was approximately $457,000, $184,000 and $1,312,000 in 2015, 2014 and 2013, respectively.