Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements of Stockholders' Equity [Abstract]
Redemption of preferred stock	9,750
Exercise of stock options, shares	95,834	22,806
Cash Dividends-Common Stock per share	$ 0.21	$ 0.21
Sale of treasury shares to 401(k), Shares	8,280	9,071
Sale of treasury shares to deferred compensation plan, Shares	4,029	4,565