Earnings Per Share and Earnings Per Unit - Computation of Net Income per Share Basic and Net Income per Share Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 335,165	$ 447,332	$ 641,641	$ 835,736
Allocation to Noncontrolling Interests – Operating Partnership	(10,997)	(14,847)	(21,024)	(27,903)
Net (income) loss attributable to Noncontrolling Interests – Partially Owned Properties	(1,143)	(534)	(2,726)	(1,957)
Preferred distributions	(773)	(773)	(2,318)	(2,318)
Net income available to Common Shares	322,252	431,178	615,573	803,558
Numerator for net income per share – diluted	$ 333,249	$ 446,025	$ 636,597	$ 831,461
Weighted average Common Shares outstanding	375,850	374,308	375,710	373,474
OP Units	11,895	12,019	11,893	12,367
Dilutive Securities Options	1,555	2,047	1,785	1,801
ATM forward sales			6
Denominator for net income per share – diluted	389,300	388,374	389,394	387,642
Net income per share - basic	$ 0.86	$ 1.15	$ 1.64	$ 2.15
Net income per share - diluted	$ 0.86	$ 1.15	$ 1.63	$ 2.14