Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Stock-based compensation expense (shares)	1,722,000
Common stock issuance shares	196,635,000
Common stock issuance costs (in Dollars)	$ 816,446
Dividend reinvestment and purchase plan shares	16,625,000
Cash dividends per share (in Dollars per share)	$ 0.52
Common Stock [Member]
Stock-based compensation expense (shares)	1,722,000
Common stock issuance shares	196,635,000
Dividend reinvestment and purchase plan shares	16,625,000
Retained Earnings [Member]
Cash dividends per share (in Dollars per share)	$ 0.52