Consolidated Statements of Stockholders’ Equity (September 30, 2012 Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Dec. 31, 2011	Sep. 30, 2012	Sep. 30, 2011
Change in unrealized appreciation on available-for-sale securities, income tax portion (in Dollars)	$ (123)	$ 92	$ 76
Exercise of stock options, shares		0
Dividends paid per share (in Dollars per share)	$ 0.19	$ 0.60	$ 0.57
Common Stock [Member]
Stock issued as bonus shares		51,245	47,995
Stock issued for employee stock purchase plan		5,103	4,805
Exercise of stock options, shares	1,753		28,566
Shares exchanged under stock option plan	(1,067)		(4,185)
Repurchase of common stock – Shares	(118,144)	(608,387)	(19,000)