Income Taxes (Income Tax Expense (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Current, Federal	$ (8,463)	$ 2,147	$ 1,664
Current, State	275	676	1,494
Total current income tax (benefit) expense	(8,188)	2,823	3,158
Deferred, Federal	(1,035)	(3,714)	(573)
Deferred, State	18	(326)	3
Total deferred income tax (benefit) expense	(1,017)	(4,040)	(570)
Total income tax (benefit) expense	$ (9,205)	$ (1,217)	$ 2,588