REAL ESTATE AND ACCUMULATED DEPRECIATION (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Estimated useful lives
Aggregate cost of total real estate for federal income tax purposes	$ 24,460,692
Changes in total real estate assets
Balance, beginning of period	24,927,305	$ 23,962,222	$ 23,606,872
Acquisitions, construction costs and improvements	1,599,311	1,588,314	860,594
Dispositions, including casualty losses and impairment loss on planned dispositions	(622,721)	(623,231)	(505,244)
Balance, end of period	25,903,895	24,927,305	23,962,222
Changes in accumulated depreciation
Balance, beginning of period	6,217,721	5,728,440	5,173,883
Depreciation, including discontinued operations	814,978	758,596	707,331
Dispositions, including casualty losses	(154,143)	(269,315)	(152,774)
Balance, end of period	$ 6,878,556	$ 6,217,721	$ 5,728,440
Building
Estimated useful lives
Estimated useful lives of assets (in years)	30 years
Improvements, upgrades and FF&E
Estimated useful lives
Estimated useful lives of assets (in years)	7 years