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, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net income	$ 198,785	$ 183,555	$ 463,583	$ 488,587
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	$ (1,203)	$ (1,069)	$ (2,307)	(2,039)
Premium on redemption of Preferred Shares - cash charge				$ (1,444)
Dilutive Securities Options	1,661	1,271	1,566	1,168
Denominator for net income per share – diluted	391,498	390,542	391,345	390,548
Net income per share - basic	$ 0.51	$ 0.47	$ 1.18	$ 1.24
Net income per share - diluted	$ 0.5	$ 0.47	$ 1.18	$ 1.24
ERPOP [Member]
Net income	$ 198,785	$ 183,555	$ 463,583	$ 488,587
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	(1,203)	(1,069)	(2,307)	(2,039)
Allocation to Preference Units	(355)	(355)	(711)	(902)
Premium on redemption of Preferred Shares - cash charge				(1,444)
Numerator for net income per Unit – basic and diluted	$ 197,227	$ 182,131	$ 460,565	$ 484,202
Denominator for net income per Unit – basic	389,837	389,271	389,779	389,380
Dilutive Securities Options	1,661	1,271	1,566	1,168
Denominator for net income per share – diluted	391,498	390,542	391,345	390,548
Net income per share - basic	$ 0.51	$ 0.47	$ 1.18	$ 1.24
Net income per share - diluted	$ 0.5	$ 0.47	$ 1.18	$ 1.24