Consolidated Statements of Changes in Equity (Unaudited) (Parentheticals) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash dividends per share preferred stock (in dollars per share)	$ 2.50	$ 5.00
Cash dividends per share common stock (in dollars per share)	$ 0.10	$ 0.10
Shares of common stock purchased	23,285	10,050
Shares of common stock issued	78,177	48,134