SHAREHOLDERS' EQUITY - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	Sep. 30, 2019	Jul. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Stockholders Equity Note [Line Items]
Common stock, shares authorized (in shares)	100,000,000					100,000,000
Common stock, par (in usd per share)	$ 0.01					$ 0.01
Common stock, shares issued (in shares)	57,874,390		57,900,000	57,800,000	57,600,000	57,626,462	57,600,000	37,000,000.0	37,000,000.0	36,900,000
Common stock, shares outstanding (in shares)	42,592,411					45,992,731
Treasury stock, shares (in shares)	15,281,979					11,633,731
Preferred stock, shares authorized (in shares)	2,000,000					2,000,000
Preferred stock, par value (in usd per share)	$ 0.01					$ 0.01
Preferred stock, issued (in shares)	0					0
Preferred stock, outstanding (in shares)	0					0
Number of additional shares authorized to be repurchased (in shares)		4,500,000
Share repurchase program, number of common stock authorized to be repurchased (in shares)	19,400,000
Shares remained available for repurchase under the program (in shares)	3,800,000
Noncontrolling interests	$ (10)					$ (5)
Property Owners Associations
Stockholders Equity Note [Line Items]
Noncontrolling interests	$ (10)