Stock-Based Compensation

6 Months Ended

Jun. 30, 2011

Stock-Based Compensation [Abstract]

STOCK-BASED COMPENSATION

3. STOCK-BASED COMPENSATION

The Company has the ability to issue restricted shares under its incentive compensation plan. Restricted shares granted to employees are scheduled to vest over three to five year periods. The grant date fair values of the restricted shares are based upon the fair market value of the Company at the time of grant.

Stock-based compensation expense related to restricted stock grants for the three months ended June 30, 2011 and 2010 was $2.4 million and $2.0 million, respectively. Stock-based compensation expense related to restricted stock grants for the six months ended June 30, 2011 and 2010 was $5.0 million and $3.5 million, respectively.

A summary of the status of restricted shares as of June 30, 2011, and the changes during the six months then ended and the weighted average grant date fair values are presented below:

	Time Based
Balance at December 31, 2010		1,476,225		$	12.59
Granted		545,393		$	13.71
Vested		(598,982	)	$	12.60
Cancelled		(18,528	)	$	14.07
Balance at June 30, 2011		1,404,108		$	13.00