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Stock Based Compensation
6 Months Ended
Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
STOCK BASED COMPENSATION
STOCK BASED COMPENSATION
During the three and six months ended June 30, 2013 and 2012, we recognized $2.4 million and $4.3 million and $4.7 million and $7.0 million, respectively, as stock based compensation expense, which is inclusive of awards granted to our independent directors.