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Stock Based Compensation Plan
9 Months Ended
Sep. 30, 2015
Stock Based Compensation Plan [Abstract]  
Stock Based Compensation Plan
NOTE JStock Based Compensation Plan
As more fully discussed in Note 12 of the notes to the consolidated financial statements in our 2014 Annual Report on Form 10-K, we have awards outstanding for Common Stock under stock-based employee compensation plans.
The following table summarizes our award activity during the nine months ended September 30, 2015:
  
Restricted Stock Awards
  
Stock-Settled
Appreciation Rights
 
 
 
Shares or Units
  
Weighted-Average
Award Price
  
Rights
  
Weighted-Average
Award Price
 
Outstanding at December 31, 2014
  
321,322
  
$
20.49
   
129,975
  
$
16.04
 
Granted
  
175,135
   
23.97
   
   
 
Restrictions lapsed or exercised
  
(147,595
)
  
18.94
   
(19,100
)
  
8.74
 
Forfeited
  
(4,702
)
  
24.96
   
   
 
Outstanding at September 30, 2015
  
344,160
   
22.87
   
110,875
  
$
17.29
 
Exercisable at September 30, 2015
  
   
   
58,875
  
$
16.54
 

Grants of equity awards are made to certain officers and key employees under stockholder approved long-term incentive plans. The restrictions on most of the awards generally lapse annually, primarily over four year periods. During 2015, the Company granted 52,377 awards for which the shares ultimately issued will be based upon the achievement of various performance measures. The restricted units earned under most of these awards vest after three years. The compensation is being charged to selling, general and administrative expense over the respective grants' vesting periods, primarily on a straight-line basis.  Stock based compensation expense for the nine months ended September 30, 2015 and September 30 2014, was approximately $3.1 million and $2.5 million, respectively. The aggregate intrinsic value of outstanding restricted common stock grants was $8.1 million at September 30, 2015. The aggregate intrinsic value of vested and outstanding stock-settled appreciation rights at September 30, 2015 was approximately $0.4 million and $0.7 million, respectively.

As of September 30, 2015, the remaining unamortized compensation cost related to unvested equity awards was approximately $5.5 million and scheduled to be recognized over a weighted-average period of 2.3 years.