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Real Property Acquisition (Summary Of Acquisition) (Details) - Austin, Texas [Member] $ in Thousands	Aug. 04, 2021 USD ($)
Business Acquisition [Line Items]
Total tangible assets	$ 20,734
Total intangible assets	1,299
Consideration paid	22,033
Land [Member]
Business Acquisition [Line Items]
Total tangible assets	3,734
Building [Member]
Business Acquisition [Line Items]
Total tangible assets	15,980
Site Improvements [Member]
Business Acquisition [Line Items]
Total tangible assets	453
Tenant Improvements [Member]
Business Acquisition [Line Items]
Total tangible assets	567
Leases-In-Place Agreements [Member]
Business Acquisition [Line Items]
Total intangible assets	1,053
Leasing Commissions And Other [Member]
Business Acquisition [Line Items]
Total intangible assets	$ 246

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