Earnings Per Share and Earnings Per Unit - Computation of Net Income per Unit Basic and Net Income per Unit Diluted for Operating Partnership (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net income	$ 183,555	$ 144,862	$ 488,587	$ 364,933
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	$ (1,069)	$ (1,105)	(2,039)	$ (2,082)
Premium on redemption of Preferred Shares			$ (1,444)
Dilutive Securities Options	1,271,000	1,155,000	1,168,000	1,121,000
Denominator for net income per share – diluted	390,542,000	391,187,000	390,548,000	391,063,000
Net income per share - basic	$ 0.47	$ 0.37	$ 1.24	$ 0.92
Net income per share - diluted	$ 0.47	$ 0.37	$ 1.24	$ 0.92
ERPOP [Member]
Net income	$ 183,555	$ 144,862	$ 488,587	$ 364,933
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	(1,069)	(1,105)	(2,039)	(2,082)
Allocation to Preference Units	(355)	(773)	(902)	(1,545)
Premium on redemption of Preferred Shares			(1,444)
Numerator for net income per Unit – basic and diluted	$ 182,131	$ 142,984	$ 484,202	$ 361,306
Denominator for net income per Unit – basic	389,271,000	390,032,000	389,380,000	389,942,000
Dilutive Securities Options	1,271	1,155,000	1,168	1,121
Denominator for net income per share – diluted	390,542,000	391,187,000	390,548,000	391,063,000
Net income per share - basic	$ 0.47	$ 0.37	$ 1.24	$ 0.92
Net income per share - diluted	$ 0.47	$ 0.37	$ 1.24	$ 0.92