EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator for basic and diluted earnings per share:
Income (loss) from continuing operations	$ 88,288	$ (159,235)	$ 32,890	$ 315,495
Net income	88,288	(159,235)	32,890	315,495
Net income (loss) attributable to noncontrolling interests	1,897	(2,065)	3,708	(452)
Net income attributable to common stockholders	$ 86,391	$ (157,170)	$ 29,182	$ 315,947
Denominator:
Denominator for basic earnings per share—weighted average shares (in shares)	375,067	372,982	374,869	372,905
Effect of dilutive securities:
Stock options (in shares)	58	0	34	0
Restricted stock awards (in shares)	328	87	304	140
OP Unitholder Interests (in shares)	2,954	2,955	2,954	2,975
Denominator for diluted earnings per share—adjusted weighted average shares (in shares)	378,408	376,024	378,161	376,020
Basic earnings per share:
Income from continuing operations (in usd per share)	$ 0.24	$ (0.43)	$ 0.09	$ 0.85
Net income attributable to common stockholders (in usd per share)	0.23	(0.42)	0.08	0.85
Diluted earnings per share:(1)
Income from continuing operations (in usd per share)	0.23	(0.43)	0.09	0.84
Net income attributable to common stockholders (in usd per share)	$ 0.23	$ (0.42)	$ 0.08	$ 0.84