Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Stockholders' Equity
Common Stock, par value (in dollars per share)	$ 1	$ 1
Common Stock, authorized (in shares)	50,000,000	50,000,000
Common Stock, issued (in shares)	13,285,804	14,194,776
Treasury stock, shares held (in shares)	110,874	1,252,274