Income Taxes (Income Tax Expense (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Current, Federal	$ 2,147	$ 1,664	$ 1,458
Current, State	676	1,494	1,442
Total current income tax expense	2,823	3,158	2,900
Deferred, Federal	(3,714)	(573)	168
Deferred, State	(326)	3	12
Total deferred income tax (benefit) expense	(4,040)	(570)	180
Total income tax expense (benefit)	$ (1,217)	$ 2,588	$ 3,080