Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Shareholders' Equity
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	8,212,943	8,172,943
Treasury stock, shares	328,194	328,194
Series A, Voting
Shareholders' Equity
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	150,000	150,000
Preferred stock, shares issued	0	0
Series B
Shareholders' Equity
Preferred stock, par value	$ 0	$ 0
Preferred stock, liquidation value	1,000	1,000
Preferred stock, shares authorized	25,223	25,223
Preferred stock, shares issued	25,223	25,223