Investments - Narrative (Details) ft² in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) entity ft² home	Mar. 31, 2021 USD ($)
Equity method investment
Payments to acquire other real estate	$ 95,426	$ 0
Nonoperating expense related to development pursuits	(987)	170
Other than temporary losses on investments	$ 0	0
Avalon Flatirons
Equity method investment
Number of apartment homes acquired \| home	207
Square feet of commercial space \| ft²	16
Payments to acquire other real estate	$ 95,000
The Park Loggia
Equity method investment
Square feet of commercial space \| ft²	66
Impairment of real estate	$ 0	0
Land Parcel
Equity method investment
Impairment of real estate	$ 0	$ 0
Unconsolidated real estate entities
Equity method investment
Number of unconsolidated real estate entities \| entity	7
AVA Arts District [Member]
Equity method investment
Proceeds from construction loans	$ 27,333
Minimum \| Unconsolidated real estate entities
Equity method investment
Ownership percentage	20.00%
Maximum \| Unconsolidated real estate entities
Equity method investment
Ownership percentage	50.00%

Commercial Square Feet

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Represents the number of unconsolidated real estate entities in which the entity had investments as of the balance sheet date.

+ References

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Number of Apartment Homes Acquired

+ References

No definition available.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Amount of income (expense) related to nonoperating activities, classified as other.

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The cash outflow associated with the purchase of other real estate investments held by the entity for investment purposes not otherwise defined in the taxonomy.

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The cash inflow from borrowings to finance the cost of construction.

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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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