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Share-Based Compensation
3 Months Ended
Mar. 31, 2012
Share-Based Compensation [Abstract]  
Share-Based Compensation
10.
Share-Based Compensation

Salaries and incentive compensation expense included $3,892,000 and $1,024,000 for the three month periods ended March 31, 2012 and 2011, respectively, for share-based compensation expense principally relating to the Company's senior executive warrant plan and grants previously made under the Company's fixed stock option plan.