Reportable Segments - Reconciliation of NOI from Rental Real Estate Specific to Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Rental income	$ 2,873,964	$ 2,735,180	$ 2,463,997
Property and maintenance expense	(514,575)	(483,865)	(453,532)
Real estate taxes and insurance expense	(412,114)	(388,412)	(397,105)
Total operating expenses	(926,689)	(872,277)	(850,637)
Operating income	1,947,275	1,862,903	1,613,360
Operating income	$ 1,160,585	$ 1,116,046	$ 1,675,841