Shareholders' Equity (Preferred and Common Stock) (Details) - $ / shares	Sep. 30, 2016	Dec. 31, 2015
Class of Stock [Line Items]
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	3,000,000	3,000,000
Common stock, shares issued	2,517,339	2,512,425
Common stock, shares outstanding	2,517,339	2,512,425
Common Class A [Member]
Class of Stock [Line Items]
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	2,000,000	2,000,000
Common stock, shares issued	0	0
Common stock, shares outstanding	0	0