Consolidated Balance Sheets (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Preferred stock, shares authorized	250,000	250,000	250,000
Common stock, par value	$ 2.5	$ 2.5	$ 2.5
Common stock, shares authorized	20,000,000	20,000,000	20,000,000
Common stock, shares issued	7,425,472	7,425,472	7,425,472
Common stock, shares outstanding	7,425,472	7,425,472	7,425,472
Preferred Stock Series 2009 [Member]
Preferred stock, par value	$ 1	$ 1	$ 1
Preferred stock, shares issued	3,710	3,710	3,710
Preferred Stock, Dividend Rate, Percentage	0.08%
Subscribed Preferred Stock Series 2011 [Member]
Preferred stock, par value	$ 1
Preferred Stock, Dividend Rate, Percentage	0.08%
Preferred Stock, Shares Subscribed but Unissued	7,399