Income Taxes (Schedule of Income Tax Provision (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current	$ 292	$ (73)	$ (930)
Deferred	8,197	4,990	(10,619)
Benefit of Net Operating Loss Carryforward	8,320	(772)	16,145
Income Tax Provision, Total	$ 16,809	$ 4,145	$ 4,596