Reportable Segments - Reconciliation of NOI from Rental Real Estate Specific to Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Rental income	$ 705,088	$ 653,348
Property and maintenance expense	(137,579)	(124,874)
Real estate taxes and insurance expense	(106,669)	(100,688)
Operating income	297,588	149,738
Same Store, Non-same Store and Other
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Rental income	705,088	653,348
Property and maintenance expense	137,579	124,874
Real estate taxes and insurance expense	106,669	100,688
Total operating expenses	(244,248)	(225,562)
Operating income	$ 460,840	$ 427,786

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

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