Stock-Based Compensation

6 Months Ended

Jun. 30, 2011

Stock-Based Compensation [Abstract]

STOCK-BASED COMPENSATION

NOTE 13. STOCK-BASED COMPENSATION

We recognize stock-based compensation expense based on the fair value of awards issued. Stock-based compensation for the three months and six months ended June 30, 2011 and 2010 is as follows (in thousands):

	June 30,
	2011		2010
Three months	$	3,399	$	1,945
Six months		6,139		3,820

Stock Options

Stock option awards are granted with an exercise price equal to the market price of our stock at the date of grant, a four-year vesting schedule, and a term of 10 years.

A summary of our stock option activity for the six months ended June 30, 2011 is as follows (in thousands):

	Shares
Options outstanding at December 31, 2010		5,709
Options granted		742
Options exercised		(190	)
Options forfeited		(211	)
Options expired		(221	)
Options outstanding at June 30, 2011		5,829

Restricted Stock Units

A summary of our non-vested Restricted Stock Units activity for the six months ended June 30, 2011 is as follows (in thousands):

	Shares
Balance at December 31, 2010		447
RSUs granted		361
RSUs vested		(101	)
RSUs forfeited		(34	)
Balance at June 30, 2011		673