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Real Property (Narrative) (Details) - Austin, Texas [Member] - Two-building office complex [Member] - ft²	6 Months Ended
	Jun. 30, 2023	Aug. 04, 2021
Asset Acquisition [Line Items]
Percentage Of Occupancy	25.00%
Percentage Of Currently Leased	60.00%
Net Rentable Area		90,000

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Percentage Of Currently Leased

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Percentage Of Occupancy

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480123/805-50-15-3

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Net rentable area for properties owned.

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