SHAREHOLDERS' EQUITY (Preferred and Common Stock) (Details) - $ / shares	Dec. 31, 2019	May 17, 2019	Dec. 31, 2018
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	2,531,552		2,527,136
Common stock, shares outstanding	2,531,116		2,527,136
Directors
Class of Stock [Line Items]
Common stock, shares issued		4,416
Class A Common Stock
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