Accrued Real Estate Taxes

No definition available.

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- Definition

Capitalized costs incurred during the period for development properties including capitalized interest, capitalized salaries, and capitalized real estate taxes.

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Property Held for Development

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- Definition

Percentage Of Ownership Interests

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- Definition

Percentage Of Reimbursable Revenue From Leasing Of Apartment Homes.

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Percentage of our total property revenues and total non-property income from leasing of apartment homes, excluding income on deferred compensation plans.

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No definition available.

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Percentage of Rental Revenue and Other Income From Non-leasing Activities

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No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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The number of general partner units outstanding.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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The number of real estate properties owned as of the balance sheet date.

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The number of states the entity operates in as of the balance sheet date.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Indicates line item in statement of financial position that includes operating lease right-of-use asset.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Organization and Summary of Significant Accounting Policies (Textual) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) Properties Property State Community shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($)	Dec. 31, 2023 Property	Dec. 31, 2022 Property
Real Estate Properties [Line Items]
General Partners' Capital Account, Units Outstanding \| shares	115,336,876	114,373,727
Number of Real Estate Properties \| Community	290
Development and capital improvements in progress	$ 247,970	$ 283,477
Number of States in which Entity Operates \| State	16
Other non-operating income	$ 33,902	4,857	$ 22,999
Consolidated assets	11,285,182	11,194,791
Consolidated liabilities	5,101,090	5,090,986
Advertising expenses	23,900	23,900	20,800
Lease Intangibles, Gross	14,680,222	14,277,902
Real Estate Investments, Joint Ventures	$ 16,000
Percentage Of Rental Revenue From Leasing Of Apartment Homes	93.00%
Percentage Of Reimbursable Revenue From Leasing Of Apartment Homes	6.00%
Percentage of Rental Revenue and Other Income From Non-leasing Activities	1.00%
Operating Lease, Right-of-Use Asset	$ 47,000	$ 49,400
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Right-of-use Lease, Liability	$ 30,251	$ 31,700
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Operating Lease Weighted Average Remaining Lease Term	32 years
Operating Lease Weighted Average Discount Rate	4.40%
Other Assets [Member]
Real Estate Properties [Line Items]
Real Estate Investments, Joint Ventures	$ 79,400	$ 23,000
Accrued Liabilities [Member]
Real Estate Properties [Line Items]
Accrued dividends payable	128,916	121,392
Accrued Real Estate Taxes	144,326	140,615
Security deposits	24,660	21,637
Interest Payable	26,331	24,771
Operating Lease, Right-of-Use Asset	30,251	31,740
Leases, Acquired-in-Place
Real Estate Properties [Line Items]
Lease Intangibles, Gross	900	1,300
Parent Company
Real Estate Properties [Line Items]
Capitalized Development Costs, Period	16,600	12,700	6,500
Real Estate [Member] \| Post Massachusetts Avenue [Member]
Real Estate Properties [Line Items]
Real Estate Investments, Joint Ventures	42,800	43,300
Real Estate [Member] \| Variable Interest Entity Primary Beneficiary [Member]
Real Estate Properties [Line Items]
Consolidated assets	$ 252,800
Consolidated liabilities		$ 8,100
Minimum [Member] \| Land Improvements And Buildings
Real Estate Properties [Line Items]
Equipment, Useful Life	5 years
Minimum [Member] \| Furniture, Fixtures And Equipment
Real Estate Properties [Line Items]
Equipment, Useful Life	3 years
Maximum [Member] \| Accounting Standards Update 2016-02 [Member]
Real Estate Properties [Line Items]
Operating lease, term of contract	1 year
Maximum [Member] \| Land Improvements And Buildings
Real Estate Properties [Line Items]
Equipment, Useful Life	40 years
Maximum [Member] \| Furniture, Fixtures And Equipment
Real Estate Properties [Line Items]
Equipment, Useful Life	5 years
Limited Partnership [Member]
Real Estate Properties [Line Items]
General Partners' Capital Account, Units Outstanding \| shares	115,336,876	114,373,727
Number of Real Estate Properties \| Property	1
Development and capital improvements in progress	$ 247,970	$ 283,477
Other non-operating income	33,902	4,857	$ 22,999
Consolidated assets	11,285,182	11,194,791
Consolidated liabilities	5,101,109	5,091,005
Lease Intangibles, Gross	14,680,222	14,277,902
Limited Partnership [Member] \| Real Estate [Member] \| Variable Interest Entity Primary Beneficiary [Member]
Real Estate Properties [Line Items]
Consolidated assets		$ 128,900
Consolidated liabilities	$ 15,900
Limited Partnership [Member] \| Minimum [Member]
Real Estate Properties [Line Items]
Percentage of ownership interests of all consolidated subsidiaries (percent)	80.00%
Limited Partnership [Member] \| Maximum [Member]
Real Estate Properties [Line Items]
Percentage of ownership interests of all consolidated subsidiaries (percent)	100.00%
Development Properties [Member]
Real Estate Properties [Line Items]
Number of Real Estate Properties \| Community	6
Number of units under development community \| Properties	2,021
Development Properties [Member] \| Expected Costs
Real Estate Properties [Line Items]
Development and capital improvements in progress	$ 460,500
Development Properties [Member] \| Costs Incurred To Date \| Limited Partnership [Member]
Real Estate Properties [Line Items]
Development and capital improvements in progress	$ 273,700
Development Properties [Member] \| Scenario Forecast [Member]
Real Estate Properties [Line Items]
Number of Real Estate Properties \| Property				3	3
Retail
Real Estate Properties [Line Items]
Number of Real Estate Properties \| Property	33
M A A L P
Real Estate Properties [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	97.30%	96.60%