Organization and Background (Details) $ in Thousands	Mar. 31, 2021 USD ($) investment property state property_Unit	Dec. 31, 2020 USD ($) property
Real Estate Properties [Line Items]
Number of properties \| property	8
Number of states \| state	6
Number of units \| property_Unit	1,880
Carry value of investment property	$ 142,078	$ 160,192
Real estate property held for sale	16,800	0
Investments in unconsolidated joint ventures	164,248	$ 169,474
Real estate investments, other	$ 6,617
Unconsolidated joint ventures
Real Estate Properties [Line Items]
Number of properties \| property	31	31
Number of states \| state	9
Number of units \| property_Unit	9,162
Carry value of investment property	$ 1,064,820	$ 1,075,178
Number of investments \| investment	31
Investments in unconsolidated joint ventures	$ 164,248
Unconsolidated joint ventures \| Minimum
Real Estate Properties [Line Items]
Equity interest percentage	32.00%
Unconsolidated joint ventures \| Maximum
Real Estate Properties [Line Items]
Equity interest percentage	90.00%
Multi-family
Real Estate Properties [Line Items]
Carry value of investment property	$ 152,317
Real estate property held for sale	$ 16,800

Equity Method Investments, Number Of Investments

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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- Definition

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

+ References

No definition available.

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- Definition

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

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The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of real estate owned for income production and capital accretion potential, not otherwise specified in the existing taxonomy. Such real estate excludes that which is occupied or used in the business, for entertainment purposes, or held in inventory for specific purposes.

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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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