The number of apartment communities owned as of the balance sheet date.

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- Definition

Number Of Apartment Units

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No definition available.

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- Definition

The number of communities sold by the entity during the period.

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No definition available.

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- Definition

Number Of Land Parcels Sold

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No definition available.

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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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.

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No definition available.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Real Estate Investments - Sales of Real Estate Investments (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($) apartment	Mar. 31, 2021 USD ($) apartment	Dec. 31, 2021 USD ($) community	Dec. 31, 2020 USD ($) apartment community	Dec. 31, 2019 USD ($) land_parcel
Real Estate Properties [Line Items]
Number of apartment units \| apartment				439
Total property revenues	$ 330,000		$ 9,138	$ 9,598	$ 9,527
Proceeds from sale of real estate				343,500	23,300
Gain (loss) on sale of properties				$ 65,000	$ (3,200)
Number of land parcels sold \| land_parcel					2
Apartment communities owned (in communities) \| community			252	2
Hidden Valley, Simi Valley, CA
Real Estate Properties [Line Items]
Total property revenues		$ 105,000
Gain (loss) on sale of properties		69,200
Repayments of debt		29,700
Park 20, San Mateo, CA
Real Estate Properties [Line Items]
Total property revenues		113,000
Axis 2300, Irvine, CA
Real Estate Properties [Line Items]
Total property revenues		57,500
Gain (loss) on sale of properties		$ 30,800
Devonshire, Hemet, CA
Real Estate Properties [Line Items]
Total property revenues	54,500
Gain (loss) on sale of properties	$ 42,900
Apartment Building
Real Estate Properties [Line Items]
Number of apartment units \| apartment	912			670
Number of communities sold \| community				4
Apartment Building \| Hidden Valley, Simi Valley, CA
Real Estate Properties [Line Items]
Number of apartment units \| apartment		324
Apartment Building \| Park 20, San Mateo, CA
Real Estate Properties [Line Items]
Number of apartment units \| apartment		197
Apartment Building \| Axis 2300, Irvine, CA
Real Estate Properties [Line Items]
Number of apartment units \| apartment		115
Apartment Building \| Devonshire, Hemet, CA
Real Estate Properties [Line Items]
Number of apartment units \| apartment	276