Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1.25	$ 1.25
Common stock, shares authorized	6,000	6,000
Common stock, shares issued	3,014	3,014
Common stock, shares outstanding	3,014	3,014