Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Consolidated Balance Sheets [Abstract]
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	12,000,000	12,000,000
Common stock, shares issued	7,440,518	7,440,518
Common stock, shares outstanding	6,902,053	6,894,158
Treasury stock, at cost	538,465	546,360