Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Consolidated Statements of Stockholders' Equity [Abstract]
Redemption of preferred stock	9,750
Exercise of stock options, shares	95,834	500
Cash Dividends-Common Stock per share	$ 0.14	$ 0.14
Sale of treasury shares to 401(k), Shares	5,855	6,091
Sale of treasury shares to deferred compensation plan, Shares	2,807	3,077