Variable Interest Entities (Details Textual) $ in Thousands	Mar. 31, 2022 USD ($) a ApartmentHome	Dec. 31, 2021 USD ($)
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Mezzanine investment	$ 346,034	$ 337,797
Number of acre development site \| a	2.8
San Diego Communities [Member]
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Number of apartment communities \| ApartmentHome	4
Mezzanine investment	$ 15,100	$ 13,000
Financial Guarantee [Member]
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Customary guarantees	$ 129,600

This item represents a non-contingent liability for the fair value of an obligation to stand ready to perform over the term of a guaranty issued in the event that specified triggering events or conditions occur.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 25
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-URI http://asc.fasb.org/extlink&oid=123422226&loc=d3e11049-110243

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant