Interim Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) (Parentheticals) - $ / shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Dividends declared to common stockholders per share	$ 0.74	$ 0.66
Preferred Stock [Member]
Dividends declared to preferred stockholders per share	0.40	0.40
Common Stock [Member]
Dividends declared to common stockholders per share	$ 0.74	$ 0.66