Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Nonvested Restricted Stock Awards	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2011	$ 109,596	$ 17,564	$ 45,775	$ 31,895	$ 674	$ 14,456	$ (768)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,607	0	0	0	0	1,607	0
Cash dividends ($.01 per share)	(92)	0	0	0	0	(92)	0
Shares granted to directors	33	0	39	(6)	0	0
Dividends and accretion on preferred stock	(150)	313	0	0	0	(463)	0
Share-based compensation expense recognized	29	0	0	3	26	0	0
Net change	332	0	0	0	0	0	332
Ending Balance at Mar. 31, 2012	111,355	17,877	45,814	31,892	700	15,508	(436)
Beginning Balance at Dec. 31, 2012	118,443	18,865	46,154	32,469	244	19,180	1,531
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,598	0	0	0	0	2,598	0
Cash dividends ($.01 per share)	(96)	0	0	0	0	(96)	0
Shares granted to directors	43	0	16	27	0	0	0
Dividends and accretion on preferred stock	(150)	347	0	0	0	(497)	0
Share-based compensation expense recognized	82	0	0	1	81	0	0
Net change	(149)	0	0	0	0	0	(149)
Ending Balance at Mar. 31, 2013	$ 120,771	$ 19,212	$ 46,170	$ 32,497	$ 325	$ 21,185	$ 1,382