Real Estate - Acquisitions and Conversions - Additional Information (Details) $ in Millions	6 Months Ended
Jun. 30, 2023 USD ($)
Business Acquisition [Line Items]
Properties Held for Sale of disposition	$ 11.1
Non-refundable deposit	3.3
Fund IV \| 717 N. Michigan Avenue, Chicago, IL
Business Acquisition [Line Items]
Transferred Out Of Development	$ 69.9

Amount of gain (loss) from the disposal of an asset through means other than sale, for example, but not limited to, abandonment, spin-off, and expropriation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2611-110228

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 40
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126905928&loc=d3e2212-110226

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