Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Statement of Stockholders' Equity [Abstract]
Cash dividends	$ 0.39	$ 0.49
Common stock, shares	446,597
Treasury stock, shares	21,945
Stock dividend	$ 15.72