Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash dividend per share (Unaudited)	$ 0.52	$ 0.46
Retained Earnings [Member]
Cash dividend per share (Unaudited)	$ 0.52	$ 0.46