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		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income	$ 181,286	$ 335,165	$ 546,219	$ 641,641
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	$ (3,217)	$ (1,143)	$ (5,299)	$ (2,726)
Dilutive Securities Options	1,264	1,555	1,144	1,785
ATM forward sales				6
Denominator for net income per share – diluted	391,351	389,300	391,135	389,394
Net income per share - basic	$ 0.45	$ 0.86	$ 1.38	$ 1.64
Net income per share - diluted	$ 0.45	$ 0.86	$ 1.38	$ 1.63
ERPOP [Member]
Net income	$ 181,286	$ 335,165	$ 546,219	$ 641,641
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	(3,217)	(1,143)	(5,299)	(2,726)
Allocation to Preference Units	(773)	(773)	(2,318)	(2,318)
Numerator for net income per Unit – basic and diluted	$ 177,296	$ 333,249	$ 538,602	$ 636,597
Denominator for net income per Unit – basic	390,087	387,745	389,991	387,603
Dilutive Securities Options	1,264	1,555	1,144	1,785
ATM forward sales				6
Denominator for net income per share – diluted	391,351	389,300	391,135	389,394
Net income per share - basic	$ 0.45	$ 0.86	$ 1.38	$ 1.64
Net income per share - diluted	$ 0.45	$ 0.86	$ 1.38	$ 1.63