EQUITY INSTRUMENTS (Schedule of Share-Based Compensation Stock Options Valuation Assumptions) (Details) - Stock Option [Member]	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions
Expected dividend yield (in Percent)	3.48%	4.58%	7.78%
Expected volatility (in Percent)	40.81%	43.76%	44.08%
Risk-free interest rate (in Percent)	1.55%	1.62%	0.79%
Expected life (in years) (in Duration)	4 years 5 months 1 day	4 years 9 months	4 years 8 months 16 days