Consolidated Condensed Statements of Changes in Stockholders' Equity (Parenthetical)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Shares issued under stock option plan, with no income tax benefit (in shares)	20,707	500
Restricted share activity under Stock Incentive Plans (in shares)	31,796
Shares issued direct purchases (in shares)	2,768	637
Shares purchased in U.S. Treasury auction (in shares)		16,560
Shares purchased in open market (in shares)		20,440