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Real Property Acquisition (Narrative) (Details) - Building [Member] - Austin, Texas [Member] $ in Millions |  | 3 Months Ended
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Aug. 04, 2021 USD ($) ft² | Mar. 31, 2022
Business Acquisition [Line Items] |  |
Purchase price | $ | $ 22.0 |
Rentable area | ft² | 90,000 |
Percentage of currently leased |  | 60.00%
Percentage of occupying in the future | 25.00% |

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