Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1
Common Stock, Shares Authorized	15,000,000	15,000,000
Common Stock, Shares, Issued	4,503,380	4,419,258
Common Stock, Shares, Outstanding	4,107,346	4,023,084
Capital stock, no par value	$ 0	$ 0
Capital Stock, Shares Authorized	5,000,000	5,000,000
Capital Stock, Shares, Issued	0	0
Treasury Stock, Shares	396,034	396,174