Employee And Non-Employee Benefit And Compensation Plans (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Prior Plans
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Nonvested outstanding, beginning balance		470,568
Vested		(363,468)
Canceled and Forfeited		(107,100)
Nonvested outstanding, ending balance		0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested outstanding, beginning balance, weighted-average grant date fair value		$ 2.57
Vested, weighted-average grant date fair value		$ 2.57
Canceled and Forfeited, weighted-average grant date fair value		$ 2.57
Nonvested outstanding, ending balance, weighted-average grant date fair value		$ 0.00
Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Nonvested outstanding, beginning balance	3,206,351	3,220,171
Granted	505,000	2,565,559	870,002
Vested	(635,758)	(1,482,837)
Canceled and Forfeited	(392,477)	(1,096,542)
Nonvested outstanding, ending balance	2,683,116	3,206,351	3,220,171
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested outstanding, beginning balance, weighted-average grant date fair value	$ 1.61	$ 1.73
Granted, weighted-average grant date fair value	$ 1.66	$ 1.61
Vested, weighted-average grant date fair value	$ 1.47	$ 1.68
Canceled and Forfeited, weighted-average grant date fair value	$ 2.21	$ 1.89
Nonvested outstanding, ending balance, weighted-average grant date fair value	$ 1.55	$ 1.61	$ 1.73