Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Tax effect on unrealized gain on investment securities available for sale	$ 3,386	$ (2,093)	$ 2,173
Net issuance of shares of common stock from exercise of stock options	11,847	108,693	66,205
Preferred Stock , Cash dividends	0.05	0.05	0.05
Common Stock, Cash dividends per share	$ 0.108	$ 0.108	$ 0.1085
Common Stock, Stock dividend			10.00%
Common Stock
Net issuance of shares of common stock from exercise of stock options	11,847	108,693	66,205
Common Stock, Stock dividend			10.00%
Capital Surplus
Net issuance of shares of common stock from exercise of stock options	11,847	108,693	66,205
Common Stock, Stock dividend			10.00%
Retained Earnings (Deficit)
Preferred Stock , Cash dividends	0.05	0.05	0.05
Common Stock, Cash dividends per share	$ 0.108	$ 0.108	$ 0.1085
Common Stock, Stock dividend			10.00%
Accumulated Other Comprehensive Income (Loss)
Tax effect on unrealized gain on investment securities available for sale	$ 3,386	$ (2,093)	$ 2,173