EQUITY (Narrative) (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) item $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares
Common stock, par value | $ / shares	$ 1	$ 1	$ 1
Common stock, shares authorized	480,000,000	480,000,000	480,000,000
Number of votes per common stock | item	1
Preferred stock, shares authorized	5,000,000
Preferred stock issued	0
Number of shares held in treasury	0	0	0
Shares remaining under the current authorization repurchase program	8,064,851
Noncontrolling interest | $	$ 23,041	$ 0	$ 0
Orca [Member] | Polaris [Member]
Ownership percentage by parent	88.00%
Namgis [Member] | Orca [Member]
Ownership percentage by noncontrolling owners	12.00%