Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) [Member]	Total
Balance at Dec. 31, 2010	$ 8	$ 75,590	$ 96,030	$ 1,613	$ 173,241
Balance (in shares) at Dec. 31, 2010	779,424
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			22,209		22,209
Cash Dividends Declared on Common Stock			(9,158)		(9,158)
Change in Net Unrealized Gain (Loss) on Securities Available-for-Sale				3,054	3,054
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			23,349		23,349
Cash Dividends Declared on Common Stock			(9,418)		(9,418)
Repurchase of Common Stock		(576)			(576)
Repurchase of Common Stock (in shares)	(1,542)
Change in Net Unrealized Gain (Loss) on Securities Available-for-Sale				2,332	2,332
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			24,061		24,061
Cash Dividends Declared on Common Stock			(9,723)		(9,723)
Change in Net Unrealized Gain (Loss) on Securities Available-for-Sale				(9,467)	(9,467)
Balance at Dec. 31, 2013	$ 8	$ 75,014	$ 137,350	$ (2,468)	$ 209,904
Balance (in shares) at Dec. 31, 2013	777,882				777,882