CONSOLIDATED CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Stockholders' Equity [Abstract]
Common stock dividends (in dollars per share)	$ 0.16	$ 0.16	$ 0.48	$ 0.48