Organization, Basis of Presentation, and Significant Accounting Policies - Revenue and Gain Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Management, development and other fees	$ 7,722	$ 6,333	$ 3,084
Rental and other income	2,760,187	2,587,113	2,291,766
Total revenue	2,767,909	2,593,446	2,294,850
Non-allocated
Disaggregation of Revenue [Line Items]
Total revenue	7,722	6,333	3,084
Same Store | Operating segment
Disaggregation of Revenue [Line Items]
Total revenue	2,542,634	2,394,292	1,995,716
Other Stabilized Communities | Operating segment
Disaggregation of Revenue [Line Items]
Total revenue	134,804	93,305	121,659
Continuing Operations
Disaggregation of Revenue [Line Items]
Management, development and other fees	23,956	20,536	12,587
Rental and other income	2,722,756	2,503,128	2,150,757
Total revenue	2,746,712	2,523,664	2,163,344
Continuing Operations | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	7,722	6,333	3,084
Continuing Operations | Rental and non-rental related income
Disaggregation of Revenue [Line Items]
Management, development and other fees	16,234	14,203	9,503
Continuing Operations | Non-allocated
Disaggregation of Revenue [Line Items]
Management, development and other fees	7,722	6,333	3,084
Rental and other income	0	0	0
Total revenue	7,722	6,333	3,084
Continuing Operations | Non-allocated | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	7,722	6,333	3,084
Continuing Operations | Non-allocated | Rental and non-rental related income
Disaggregation of Revenue [Line Items]
Management, development and other fees	0	0	0
Continuing Operations | Same Store | Operating segment
Disaggregation of Revenue [Line Items]
Management, development and other fees	10,656	11,048	7,368
Rental and other income	2,531,978	2,383,244	1,988,348
Total revenue	2,542,634	2,394,292	1,995,716
Continuing Operations | Same Store | Operating segment | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	0	0	0
Continuing Operations | Same Store | Operating segment | Rental and non-rental related income
Disaggregation of Revenue [Line Items]
Management, development and other fees	10,656	11,048	7,368
Continuing Operations | Other Stabilized Communities | Operating segment
Disaggregation of Revenue [Line Items]
Management, development and other fees	5,296	2,990	1,879
Rental and other income	129,508	90,315	119,780
Total revenue	134,804	93,305	121,659
Continuing Operations | Other Stabilized Communities | Operating segment | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	0	0	0
Continuing Operations | Other Stabilized Communities | Operating segment | Rental and non-rental related income
Disaggregation of Revenue [Line Items]
Management, development and other fees	5,296	2,990	1,879
Continuing Operations | Development/ Redevelopment Communities | Operating segment
Disaggregation of Revenue [Line Items]
Management, development and other fees	282	165	256
Rental and other income	61,270	29,569	42,629
Total revenue	61,552	29,734	42,885
Continuing Operations | Development/ Redevelopment Communities | Operating segment | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	0	0	0
Continuing Operations | Development/ Redevelopment Communities | Operating segment | Rental and non-rental related income
Disaggregation of Revenue [Line Items]
Management, development and other fees	$ 282	$ 165	$ 256