Consolidated Statements of Changes in Equity (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Common Stock, Dividends, Per Share, Declared	$ 0.06	$ 0.04
Series A Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount	0.4875	0.4875
Series C Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 0.00	$ 0.50