Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Stockholders' Equity
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	18,082,822	18,082,822
Treasury stock, shares	213,308	216,487
Undesignated Par Value [Member]
Stockholders' Equity
Preferred stock, undesignated par value
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Designated Par Value [Member]
Stockholders' Equity
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	25,000	25,000
Preferred stock, shares issued	18,921	0

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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