Co-investments - Schedule of Co-Investments (Details) $ in Thousands	1 Months Ended			9 Months Ended
	Sep. 30, 2024 USD ($) community apartment	Jul. 31, 2024 apartment	Mar. 31, 2024 apartment community	Sep. 30, 2024 USD ($) apartment community	Dec. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items]
Co-investments	$ 927,267			$ 927,267	$ 996,245
Distributions in excess of investments in co-investments	$ 79,985			$ 79,985	65,488
Apartment communities owned (in communities) | community	255			255
Patina at Midtown
Schedule of Equity Method Investments [Line Items]
Joint venture ownership percent	49.90%	49.90%		49.90%
Number of units acquired | apartment		269		269
Century Towers
Schedule of Equity Method Investments [Line Items]
Joint venture ownership percent	50.00%			50.00%
Number of units acquired | apartment	376			376
Total operating and other co-investments, net
Schedule of Equity Method Investments [Line Items]
Co-investments	$ 409,280			$ 409,280	437,378
Wesco I, Wesco III, Wesco IV, Wesco V, and Wesco VI
Schedule of Equity Method Investments [Line Items]
Weighted average company ownership percentage				54.00%
Co-investments	119,031			$ 119,031	144,766
BEXAEW , BEX II, BEX IV, and 500 Folsom
Schedule of Equity Method Investments [Line Items]
Weighted average company ownership percentage				50.00%
Co-investments	207,089			$ 207,089	224,119
Other
Schedule of Equity Method Investments [Line Items]
Weighted average company ownership percentage				53.00%
Co-investments	83,160			$ 83,160	68,493
Distributions in excess of investments in co-investments	1,800			$ 1,800	3,700
Total development co-investments
Schedule of Equity Method Investments [Line Items]
Weighted average company ownership percentage				0.00%
Co-investments	0			$ 0	14,605
Total preferred interest co-investments
Schedule of Equity Method Investments [Line Items]
Co-investments	517,987			517,987	544,262
Total preferred interest co-investments | Investments in Majority-owned Subsidiaries
Schedule of Equity Method Investments [Line Items]
Co-investments	47,100			47,100	42,700
Wesco I, Wesco III, and Wesco IV
Schedule of Equity Method Investments [Line Items]
Distributions in excess of investments in co-investments	$ 78,200			$ 78,200	$ 61,800
Membership Interest in BEXAEW
Schedule of Equity Method Investments [Line Items]
Weighted average company ownership percentage			49.90%
Apartment communities owned (in communities) | community			4
Number of units acquired | apartment			1,480