Stock Based Compensation (Notes)

3 Months Ended

Mar. 31, 2013

Stock Based Compensation [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

Stock Based Compensation

The Company has recorded expenses related to stock based compensation of approximately $1.6 million and $0.2 million during the three months ended March 31, 2013 and 2012, respectively. A summary of stock based awards issued during the three months ended March 31, 2013 follows:

Stock Performance Rights ("SPRs")

During the three months ended March 31, 2013, the Company issued 145,872 SPRs to key employees with an average exercise price of $12.18 per share. The SPRs issued in 2013, cliff vest on December 31, 2015 and have a termination date of December 31, 2020.

Market Stock Units ("MSUs")

MSU's are exchangeable for the Company's common shares at the end of the vesting period. During the three months ended March 31, 2013, the Company issued 62,779 MSUs to key employees with a vesting date of December 31, 2015. The number of shares of common stock that will be issued upon vesting, between zero to 94,169, will be determined based upon the trailing thirty day average closing price of the Company's common stock on December 31, 2015.