Organization, Basis of Presentation, and Significant Accounting Policies - Revenue and Gain Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Management, development and other fees	$ 7,081	$ 7,722	$ 6,333
Rental and other income	2,906,676	2,760,187	2,587,113
Total revenue	2,913,757	2,767,909	2,593,446
Continuing Operations
Disaggregation of Revenue [Line Items]
Management, development and other fees	23,906	25,299	20,536
Rental and other income	2,847,809	2,657,934	2,442,279
Total revenue	2,871,715	2,683,233	2,462,815
Continuing Operations | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	7,081	7,722	6,333
Continuing Operations | Rental and non-rental related income
Disaggregation of Revenue [Line Items]
Management, development and other fees	16,825	17,577	14,203
Continuing Operations | Non-allocated
Disaggregation of Revenue [Line Items]
Management, development and other fees	7,081	7,722	6,333
Rental and other income	0	0	0
Total revenue	7,081	7,722	6,333
Continuing Operations | Non-allocated | Management, development and other fees and other ancillary items
Disaggregation of Revenue [Line Items]
Management, development and other fees	7,081	7,722	6,333
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	10,769	12,752	11,048
Rental and other income	2,669,423	2,578,264	2,322,395
Total revenue	2,680,192	2,591,016	2,333,443
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	10,769	12,752	11,048
Continuing Operations | Other Stabilized Communities | Operating segment
Disaggregation of Revenue [Line Items]
Management, development and other fees	5,571	4,697	2,990
Rental and other income	112,987	73,628	90,315
Total revenue	118,558	78,325	93,305
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	5,571	4,697	2,990
Continuing Operations | Development/ Redevelopment Communities | Operating segment
Disaggregation of Revenue [Line Items]
Management, development and other fees	485	128	165
Rental and other income	65,399	6,042	29,569
Total revenue	65,884	6,170	29,734
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	$ 485	$ 128	$ 165