Consolidated Statements of Changes in Equity (Unaudited) (Parentheticals) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash dividends per share preferred stock (in dollars per share)	$ 7.50	$ 10.89
Cash dividends per share common stock (in dollars per share)	$ 0.30	$ 0.30
Shares of common stock purchased	24,042	59,174
Shares of common stock issued	102,349	182,392