EQUITY - Schedule of Change in Number of Shares of Common Stock Outstanding (Details) - shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares outstanding, beginning of period (in shares)	48,706,000	48,498,000,000
Shares issued under stock incentive plan, net of awards surrendered to pay applicable taxes (in shares)	138,000	108,000,000
Shares issued to Board of Directors in lieu of cash (in shares)	1,000	1,000,000
Shares outstanding, end of period (in shares)	48,845,000	48,607,000,000