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, 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			24,061		24,061
Cash Dividends Declared on Common Stock			(9,723)		(9,723)
Repurchase of Common Stock		0			0
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income			25,402		25,402
Cash Dividends Declared on Common Stock			(9,919)		(9,919)
Issuance of Common Stock		2,790			2,790
Issuance of Common Stock (in shares)	6,200
Change in Net Unrealized Gain (Loss) on Securities Available-for-Sale				5,001	5,001
Balance at Dec. 31, 2014	$ 8	$ 77,804	$ 152,833	$ 2,533	$ 233,178
Balance (in shares) at Dec. 31, 2014	784,082				784,082