CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares			3 Months Ended		9 Months Ended
	Feb. 02, 2017	Feb. 02, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Stockholders' Equity [Abstract]
Dividends per common share (in dollars per share)	$ 0.30	$ 0.26	$ 0.00	$ 0.00	$ 0.30	$ 0.26