CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash dividends	$ 0.52	$ .62	$ 0.50
Common stock dividends, shares	446,597
Treasury stock, shares	21,945
Stock dividend	$ 15.72
Exercise of Stock Options	9,378	2,750	13,914
Common Stock - Pre Stock Dividend [Member]
Exercise of Stock Options	8,615	2,500	12,649