Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Common Stock, Par or Stated Value Per Share	$ 1	$ 1
Common Stock, Shares Authorized	15,000,000	15,000,000
Common Stock, Shares, Issued	4,488,910	4,419,258
Common Stock, Shares, Outstanding	4,092,828	4,023,084
Capital stock, no par value
Capital Stock, Shares Authorized	5,000,000	5,000,000
Capital Stock, Shares, Issued	0	0
Capital Stock, Shares, Outstanding	0	0
Treasury Stock, Shares	396,082	396,174