Employee And Non-Employee Benefit And Compensation Plans (Details 5) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Service period-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted			350,000
Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested, beginning balance	208,500		720,000
Exercised	(50,500)
Granted					550,000		351,625
Vested			(170,000)
Forfeitures	(17,500)		(341,500)
Nonvested, ending balance	140,500		208,500		720,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested, beginning balance weighted average grant date value	$ 4.62	[1]	$ 4.62	[1]
Exercised, weighted average grant date value	$ 4.62	[1]
Vested, weighted average grant date value			$ 4.62
Forfeitures, weighted average grant date value	$ 4.62	[1]	$ 4.62	[1]
Nonvested, ending balance weighted average grant date value	$ 4.62	[1]	$ 4.62	[1]	$ 4.62	[1]
Stock Plan | Service period-based options
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested, beginning balance	8,352		320,922
Granted	25,202		33,037
Vested	(33,554)		(128,097)
Forfeitures			(217,510)
Nonvested, ending balance	0		8,352
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested, beginning balance weighted average grant date value	$ 4.49		$ 8.24
Granted, weighted average grant date value	$ 3.17		$ 4.01
Vested, weighted average grant date value	$ 3.50		$ 6.93
Forfeitures, weighted average grant date value			$ 8.52
Nonvested, ending balance weighted average grant date value	$ 0.00		$ 4.49
Stock Plan | Service period-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested, beginning balance	539,698		0
Granted	302,163		639,698
Vested	(119,635)		(12,500)
Forfeitures	(2,500)		(87,500)
Nonvested, ending balance	719,726		539,698
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested, beginning balance weighted average grant date value	$ 4.14		$ 0.00
Granted, weighted average grant date value	$ 3.16		$ 4.11
Vested, weighted average grant date value	$ 4.10		$ 3.95
Forfeitures, weighted average grant date value	$ 3.95		$ 3.95
Nonvested, ending balance weighted average grant date value	$ 3.74		$ 4.14

[1] The weighted average grant date value included in the table above was adjusted to reflect the impact of the modifications approved on December 3, 2010 to the 2010 and 2009 awards.