Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income
Balance at Dec. 31, 2010	$ 169,861	$ 6,679	$ 12,206	$ 147,837	$ 3,139
Balance (in shares) at Dec. 31, 2010		13,737
Increase (Decrease) in Stockholders' Equity
Net income	17,262			17,262
Change in accumulated other comprehensive income, net of tax	2,608				2,608
Stock compensation expense	869		869
Stock issued for stock options exercised and dividend reinvestment plan	966	172	794
Stock issued for stock options exercised and dividend reinvestment plan (in shares)		52
Stock issued for non-vested restricted stock		140	866	(1,006)
Stock issued for non-vested restricted stock (in shares)		42
Cash dividends, $0.54 per share	(7,441)			(7,441)
Shares repurchased or cancelled	(572)	(100)	(614)	142
Shares repurchased or cancelled (in shares)		(30)
Balance at Sep. 30, 2011	$ 183,553	$ 6,891	$ 14,121	$ 156,794	$ 5,747
Balance (in shares) at Sep. 30, 2011		13,801