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Real Property (Narrative) (Details) - Austin, Texas [Member] - Two-building office complex [Member] - ft²
3 Months Ended
Mar. 31, 2023
Aug. 04, 2021
Asset Acquisition [Line Items]    
Percentage Of Occupancy 25.00%  
Percentage Of Currently Leased 60.00%  
Net Rentable Area   90,000