CONSOLIDATED BALANCE SHEETS [Parenthetical] - $ / shares	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1,000	$ 1,000	$ 1,000
Preferred Stock, Shares Authorized	5,000,000	5,000,000	5,000,000
Preferred Stock, Shares Issued	0	0	0
Preferred Stock, Shares Outstanding	0	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1	$ 1
Common Stock, Shares Authorized	100,000,000	100,000,000	100,000,000
Common Stock, Shares, Issued	36,347,637	33,625,162	33,609,894
Treasury Stock, Shares	1,456,333	1,413,777	1,413,777