Derivative, Notional Amounts Settled During Period

No definition available.

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by interest rate caps and interest rate swaps at that time.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Average cap rate on a group of interest rate derivatives, such as interest rate caps or collars. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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- Definition

The number of derivative instruments of a particular group held by the entity.

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- Definition

Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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- Definition

The net cash outflow or inflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

+ References

No definition available.

+ Details

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- Definition

The average number of limited partnership and general partnership units issued and outstanding that are used in calculating basic and diluted earnings per limited partnership and general partnership unit.

+ References

No definition available.

+ Details

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Fair Value - Derivative Financial Instruments (Details)	12 Months Ended
Fair Value - Derivative Financial Instruments (Details)	Dec. 31, 2022 USD ($) derivative shares	Dec. 31, 2021 USD ($) derivative shares	Dec. 31, 2020 USD ($) shares
Derivative instruments and Hedging Activities
Derivative, notional amounts settled during the period	$ 150,000,000
Payment for termination of forward interest rate swaps	(26,869,000)	$ (4,751,000)	$ 25,135,000
Gain (loss) on cash flow hedges	$ 23,647,000	$ 993,000	$ (17,731,000)
Weighted average DownREIT units outstanding (in shares) \| shares	7,500	7,500	7,500
Fair Value Hedging
Derivative instruments and Hedging Activities
Number of derivative instruments held \| derivative	0	0
Interest Rate Caps
Derivative instruments and Hedging Activities
Number of derivative instruments held \| derivative	5
Interest Rate Caps \| Interest Rate Caps
Derivative instruments and Hedging Activities
Notional balance	$ 402,670,000
Weighted average interest rate (as a percent)	5.30%
Weighted average capped interest rate (as a percent)	6.10%
Unsecured Notes, 5.00%
Derivative instruments and Hedging Activities
Face amount, debt instrument	$ 350,000,000
Reclassification out of Accumulated Other Comprehensive Income
Derivative instruments and Hedging Activities
Gain (loss) reclassification from accumulated OCI to income, estimated net amount to be transferred	$ 1,415,000