STOCK-BASED COMPENSATION (Summary of Nonemployee Director Stock Award Activity) (Details) - Non-employee Directors' Stock-Based Compensation Plans [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-employee director compensation, cash	$ 230,625	$ 245,625
Weighted - average Grant Date Share Price	$ 31.61	$ 27.18
Directors' Fees Expense	$ 461,250	$ 491,250
Common Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	1,667
Deferred Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	5,628	9,038