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 (Loss) [Member]	Total
Balance at Dec. 31, 2008	$ 0	$ 2,992	$ 551	$ 62,361	$ (1,047)	$ 64,857
Comprehensive income:
Net income	0	0	0	5,526	0	5,526
Other comprehensive income (loss), net:
Changes in defined benefit plan assets and benefit obligations, net	0	0	0	0	734
Unrealized holding gains (losses) on securities, net of reclassification adjustment	0	0	0	0	1,281
Other comprehensive income (loss), net	0	0	0	0	2,015	2,015
Comprehensive income	0	0	0	0	0	7,541
Stock options exercised	0	17	309	0	0	326
Share-based compensation	0	0	318	0	0	318
Preferred stock redemption						0
Issuance of preferred stock and warrant	20	0	19,894	0	0	19,914
Accretion of preferred stock discount	0	0	138	(138)	0	0
Common stock issued						0
Cash dividends paid - common stock	0	0	0	(3,230)	0	(3,230)
Cash dividends paid - preferred stock	0	0	0	(850)	0	(850)
Balance at Dec. 31, 2009	20	3,009	21,210	63,669	968	88,876
Comprehensive income:
Net income	0	0	0	8,110	0	8,110
Other comprehensive income (loss), net:
Changes in defined benefit plan assets and benefit obligations, net	0	0	0	0	(139)
Unrealized loss on cash flow hedging instruments, net	0	0	0	0	(90)
Unrealized holding gains (losses) on securities, net of reclassification adjustment	0	0	0	0	(668)
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
Preferred stock redemption						0
Accretion of preferred stock discount	0	0	149	(149)	0	0
Common stock issued						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 income	0	0	0	12,976	0	12,976
Other comprehensive income (loss), net:
Changes in defined benefit plan assets and benefit obligations, net	0	0	0	0	(559)
Unrealized loss on cash flow hedging instruments, net	0	0	0	0	(223)
Unrealized holding gains (losses) on securities, net of reclassification adjustment	0	0	0	0	4,095
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