Parent Company Financial Information (Schedule of Operations and Changes in Stockholders' Equity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Interest income	$ 8,017	$ 8,176	$ 8,025	$ 7,676	$ 7,489	$ 7,639	$ 7,526	$ 7,420	$ 31,894	$ 30,074	$ 30,064
Income Tax Expense (Benefit), Total	(54)	(28)	7	(69)	9,598	509	(429)	(1,487)	(144)	8,191	(6,074)
Net income (loss)	904	398	1,007	1,305	(23,078)	1,364	(480)	(2,508)	3,614	(24,702)	(10,690)
Shareholders' equity, beginning of year				64,851				88,146	64,851	88,146	70,264
Common Stock, Shares, Issued	26,501,742				26,501,742				26,501,742	26,501,742
Stock-based compensation									370	359	276
Exercise of stock options									0	0	14
Stock purchases for deferred compensation plan									0	0	(100)
Net income (loss)	904	398	1,007	1,305	(23,078)	1,364	(480)	(2,508)	3,614	(24,702)	(10,690)
Shareholders' equity, end of year	69,902				64,851				69,902	64,851	88,146
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Interest income									34	33	33
Dividend income from subsidiaries										212	1,294
Total income									34	245	1,327
Trust preferred interest expense									1,134	1,117	1,119
Operating Expenses									317	288	208
Loss before taxes									(1,417)	(1,160)
Income Tax Expense (Benefit), Total									(496)	(406)
Loss before undistributed income of subsidiaries									(921)	(754)
Total equity in undistributed loss of subsidiaries									4,535	(23,948)	(10,690)
Net income (loss)									3,614	(24,702)	(10,690)
Shareholders' equity, beginning of year				64,851				88,146	64,851	88,146	70,264
Common Stock, Shares, Issued											28,802,000
Stock-based compensation									370	359	276
Exercise of stock options											14
Stock purchases for deferred compensation plan											100
Net income (loss)									3,614	(24,702)	(10,690)
Change in unrealized (loss) gain on securities available for sale									1,067	1,048	(420)
Shareholders' equity, end of year	$ 69,902				$ 64,851				$ 69,902	$ 64,851	$ 88,146