Stock-Based Compensation (Additional Information For RSU's Under The 2007 Plan) (Details) (2007 Incentive Plan [Member], Restricted Stock Units (RSUs) [Member]) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
2007 Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]
Number of Shares [Roll Forward]
Restricted Stock Units outstanding, beginning balance	605	495	404
Granted, Shares	301	260	196
Released, Shares	(152)	(140)	(91)
Forfeited, Shares	(21)	(10)	(14)
Restricted Stock Units outstanding, ending balance	733	605	495
Expected to vest, shares	683	551	438