CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Retained Earnings [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance Beginning at Dec. 31, 2012	$ 82,006	$ 27,107	$ 61,843	$ (11,665)	$ 4,721
Balance Beginning (in shares) at Dec. 31, 2012		6,731,900
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,076		4,076
Other comprehensive loss, net of taxes	(5,959)				(5,959)
Dividend Reinvestment and Stock Purchase Plan (in shares)		9,568
Dividend Reinvestment and Stock Purchase Plan	163	163
Exercise of stock options (in shares)		3,400
Exercise of stock options	43	43
Acquisition of First Capital Bancshares, Inc. (in shares)		888,811
Acquisition of First Capital Bancshares, Inc.	12,321	12,321
Compensation expense relating to stock options	19	19
Common stock dividends, $0.32 per share	(2,440)		(2,440)
Balance Ending at Jun. 30, 2013	90,229	39,653	63,479	(11,665)	(1,238)
Balance Ending (in shares) at Jun. 30, 2013		7,633,679
Balance Beginning at Dec. 31, 2013	118,873	66,785	65,475	(11,665)	(1,722)
Balance Beginning (in shares) at Dec. 31, 2013		9,287,536
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,934		3,934
Other comprehensive loss, net of taxes	2,560				2,560
Dividend Reinvestment and Stock Purchase Plan (in shares)		10,734
Dividend Reinvestment and Stock Purchase Plan	176	176
Compensation expense relating to stock options	13	13
Common stock dividends, $0.32 per share	(2,972)		(2,972)
Balance Ending at Jun. 30, 2014	$ 122,584	$ 66,974	$ 66,437	$ (11,665)	$ 838
Balance Ending (in shares) at Jun. 30, 2014		9,298,270