Consolidated Statements of Changes in Equity (Parentheticals) - $ / shares	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Common Stock, Dividends, Per Share, Declared	$ 0.12	$ 0.12
Series A Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 0.975	$ 0.975