Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Summary Of Stock Option Activity [Roll Forward]
Options outstanding at December 31, 2012, Shares	303
Options exercised, Shares	(71)	[1]
Options canceled, Shares	(10)
Options outstanding at December 31, 2013, Shares	222		303
Options vested at December 31, 2013, Shares	222
Options outstanding at December 31, 2012, Weighted-Average Exercise Price (in dollars per share)	$ 5.08
Options exercised, Weighted-Average Exercise Price (in dollars per share)	$ 2.56	[1]
Options canceled, Weighted-Average Exercise Price (in dollars per share)	$ 0.63
Options outstanding at December 31, 2013, Weighted-Average Exercise Price (in dollars per share)	$ 6.08		$ 5.08
Options vested at December 31, 2013, Weighted-Average Exercise Price (in dollars per share)	$ 6.08
Options outstanding at December 31, 2012, Weighted-Average Remaining Contractual Term (In Years)	0 years 11 months 8 days	[2]	1 year 8 months 8 days	[2]
Options outstanding at December 31, 2013, Weighted-Average Remaining Contractual Term (In Years)	0 years 11 months 8 days	[2]	1 year 8 months 8 days	[2]
Options vested at December 31, 2013, Weighted-Average Remaining Contractual Term (In Years)	0 years 11 months 8 days	[2]
Options outstanding at December 31, 2012, Aggregate Intrinsic Value	$ 2,027
Options exercised, Aggregate Intrinsic Value	978	[1]
Options outstanding at December 31, 2013, Aggregate Intrinsic Value	3,845		2,027
Options vested at December 31, 2013, Aggregate Intrinsic Value	$ 3,845

[1] The total aggregate intrinsic value of stock options exercised during 2012 and 2011 was $0.4 million and $5.6 million, respectively.

[2] Generally stock options have a maximum contractual term of 10 years.