CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Stockholders' Equity [Abstract]
Common stock dividends (in dollars per share)	$ 0.16	$ 0.16	$ 0.32	$ 0.32