Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), Net [Member]	Total
Balance at Dec. 31, 2011	$ 8	$ 75,590	$ 109,081	$ 4,667	$ 189,346
Balance (in shares) at Dec. 31, 2011	779,424
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	0	0	17,684	0	17,684
Cash Dividends Declared on Common Stock	0	0	(4,595)	0	(4,595)
Repurchase of Common Stock	0	(576)	0	0	(576)
Repurchase of Common Stock (in shares)	(1,542)
Change in Net Unrealized Gain (Loss) on Securities Available-for-Sale, Net of Tax	0	0	0	4,472	4,472
Balance at Sep. 30, 2012	8	75,014	122,170	9,139	206,331
Balance (in shares) at Sep. 30, 2012	777,882				777,882
Balance at Dec. 31, 2012	8	75,014	123,012	6,999	205,033
Balance (in shares) at Dec. 31, 2012	777,882				777,882
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	0	0	18,168	0	18,168
Cash Dividends Declared on Common Stock	0	0	(4,823)	0	(4,823)
Change in Net Unrealized Gain (Loss) on Securities Available-for-Sale, Net of Tax	0	0	0	(7,337)	(7,337)
Balance at Sep. 30, 2013	$ 8	$ 75,014	$ 136,357	$ (338)	$ 211,041
Balance (in shares) at Sep. 30, 2013	777,882				777,882