Income Taxes (Schedule of Components of Income Tax Expense Benefit) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Current Federal Tax Expense (Benefit)	$ 5,506	$ 3,818	$ (27)
Current State and Local Tax Expense (Benefit)	259	187	198
Current Income Tax Expense (Benefit), Total	5,765	4,005	171
Deferred Federal Income Tax Expense (Benefit)	1,085	2,157	(191)
Deferred State and Local Income Tax Expense (Benefit)	827	1,249	242
Deferred Income Tax Expense (Benefit), Total	1,912	3,406	51
Income Tax Expense (Benefit), Total	$ 7,677	$ 7,411	$ 222