Consolidated Balance Sheets (Parenthetical) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Preferred stock, shares authorized	250,000	250,000	250,000
Common stock, par value	$ 2.50	$ 2.50	$ 2.50
Common stock, shares authorized	20,000,000	20,000,000	20,000,000
Common stock, shares issued	7,457,222	7,440,222	7,451,022
Common stock, shares outstanding	7,457,222	7,440,222	7,451,022
Series 2009 Preferred Stock [Member]
Preferred stock, par value	$ 1.00	$ 1.00	$ 1.00
Preferred stock, shares issued	3,710	3,710	3,710
Preferred stock, dividend rate, percentage	8.00%	8.00%	8.00%
Series 2011 Preferred Stock [Member]
Preferred stock, par value	$ 1.00	$ 1.00	$ 1.00
Preferred stock, shares issued	11,914	11,938	11,938
Preferred stock, dividend rate, percentage	8.00%	8.00%	8.00%