CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Treasury stock, common shares	352,161	352,161
Common Stock
Common Stock, par value	$ 1	$ 1
Common stock, shares authorized	50,000,000	50,000,000
Common Stock, shares issued	21,803,179	18,705,914
Common Stock, shares outstanding	21,451,018	18,353,753
Class B Common Stock
Common Stock, par value	$ 1	$ 1
Common stock, shares authorized	1,500,000	1,500,000
Common Stock, shares issued	1,050,012	1,050,012
Common Stock, shares outstanding	1,050,012	1,050,012