CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2012	$ 160,691	$ 11,250	$ 110,056	$ 4,801	$ 46,753	$ (17,232)	$ 5,063
Net income	4,924				4,924
Other comprehensive income, net of tax	104						104
Dividend on series B preferred stock	(85)				(85)
Issuance cost of common stock	(3)				(3)
Cash dividends declared on common stock	(899)				(899)
Stock issued for options exercise (1,000 shares)	10			8		2
Stock-based compensation expense	11			11
Balance at Mar. 31, 2013	164,753	11,250	110,056	4,820	50,690	(17,230)	5,167
Balance at Dec. 31, 2013	168,584	11,250	110,056	4,986	61,914	(17,078)	(2,544)
Net income	4,398				4,398
Other comprehensive income, net of tax	2,074						2,074
Dividend on series B preferred stock	(28)				(28)
Issuance cost of common stock	(3)				(3)
Cash dividends declared on common stock	(1,228)				(1,228)
Stock-based compensation expense	16			16
Balance at Mar. 31, 2014	$ 173,813	$ 11,250	$ 110,056	$ 5,002	$ 65,053	$ (17,078)	$ (470)