Debt - Narrative (Details) $ in Thousands				12 Months Ended
	Jun. 12, 2025 USD ($)	Jun. 11, 2025	Jun. 08, 2025	Dec. 31, 2025 USD ($) apartment	Dec. 31, 2024 USD ($) apartment	Dec. 31, 2023 USD ($) apartment	Nov. 06, 2025 USD ($)	Jul. 08, 2025 USD ($)
Line of Credit Facility [Line Items]
Long-term debt, gross				$ 5,522,034
Loss on extinguishment of debt				$ 3,128	$ 36,888	$ 2,008
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wholly And Partially Owned Consolidated Properties
Line of Credit Facility [Line Items]
Number of apartment communities sold | apartment				7	1	3
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Secured Debt | Wholly And Partially Owned Consolidated Properties
Line of Credit Facility [Line Items]
Number of apartment communities sold | apartment				7
Fixed Rate Property Debt
Line of Credit Facility [Line Items]
Aggregate gross book value				$ 1,300,000
Fixed Rate Property Debt | Pledged as Collateral
Line of Credit Facility [Line Items]
Number of apartment communities sold | apartment				17
Fixed Rate Property Debt | Secured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross				$ 1,683,772	$ 2,144,797
Fixed Rate Property Debt | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Secured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross				27,100
Fixed Rate Property Debt | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Secured Debt | Wholly And Partially Owned Consolidated Properties
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 70,800			107,300			$ 30,500	$ 199,900
Variable Rate
Line of Credit Facility [Line Items]
Aggregate gross book value				$ 3,500,000
Variable Rate | Pledged as Collateral
Line of Credit Facility [Line Items]
Number of apartment communities sold | apartment				37
Variable Rate | Secured Debt
Line of Credit Facility [Line Items]
Long-term debt, gross				$ 4,056,459	$ 4,140,409
Variable Rate | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Secured Debt | Wholly And Partially Owned Consolidated Properties
Line of Credit Facility [Line Items]
Long-term debt, gross	$ 71,700			$ 422,100			$ 31,800	$ 241,700
Variable-Rate Non-Recourse Property Debt, Maturing In 2026
Line of Credit Facility [Line Items]
Spread on variable interest rate (in percentage)	1.65%	1.70%	1.50%
Debt instrument, interest rate (in percentage)	5.96%						5.71%	5.83%