CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2009	$ 20	$ 3,009	$ 21,210	$ 63,669	$ 968	$ 88,876
Comprehensive income, net:
Net income	0	0	0	8,110	0	8,110
Other comprehensive income (loss), net	0	0	0	0	(897)	(897)
Comprehensive income	0	0	0	0	0	7,213
Stock options exercised	0	23	386	0	0	409
Share-based compensation	0	0	367	0	0	367
Accretion of preferred stock discount	0	0	149	(149)	0	0
Cash dividends paid - common stock	0	0	0	(3,088)	0	(3,088)
Cash dividends paid - preferred stock	0	0	0	(1,000)	0	(1,000)
Balance at Dec. 31, 2010	20	3,032	22,112	67,542	71	92,777
Comprehensive income, net:
Net income	0	0	0	12,976	0	12,976
Other comprehensive income (loss), net	0	0	0	0	3,313	3,313
Comprehensive income	0	0	0	0	0	16,289
Stock options exercised	0	34	660	0	0	694
Share-based compensation	0	0	395	0	0	395
Restricted stock vested	0	23	(111)	0	0	(88)
Preferred stock redemption	(10)	0	(9,990)	0	0	(10,000)
Accretion of preferred stock discount	0	0	333	(333)	0	0
Common stock issued	0	2	39	0	0	41
Cash dividends paid - common stock	0	0	0	(3,168)	0	(3,168)
Cash dividends paid - preferred stock	0	0	0	(850)	0	(850)
Balance at Dec. 31, 2011	10	3,091	13,438	76,167	3,384	96,090
Comprehensive income, net:
Net income	0	0	0	16,382	0	16,382
Other comprehensive income (loss), net	0	0	0	0	1,332	1,332
Comprehensive income	0	0	0	0	0	17,714
Stock options exercised	0	49	1,260	0	0	1,309
Share-based compensation	0	0	537	0	0	537
Restricted stock vested	0	16	13	0	0	29
Preferred stock redemption	(10)	0	(9,990)	0	0	(10,000)
Accretion of preferred stock discount	0	0	172	(172)	0	0
Common stock issued	0	6	194	0	0	200
Cash dividends paid - common stock	0	0	0	(3,479)	0	(3,479)
Cash dividends paid - preferred stock	0	0	0	(203)	0	(203)
Balance at Dec. 31, 2012	$ 0	$ 3,162	$ 5,624	$ 88,695	$ 4,716	$ 102,197