Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
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	4,659,319	4,606,564
Common Stock, Shares, Outstanding	4,275,879	4,218,330
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	383,440	388,234