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Real Estate
6 Months Ended
Jun. 30, 2020
Real Estate [Abstract]  
Real Estate REAL ESTATE         As of June 30, 2020, Pillarstone OP owned eight Real Estate Assets in the Dallas and Houston areas comprised of approximately 0.9 million square feet of gross leasable area.        On October 8, 2019, we completed the sale of Corporate Park West for $20.3 million, Corporate Park Woodland for $12.2 million and Plaza Park for $7.3 million (collectively, the "2019 Real Estate Assets Sold"), each located in Houston, Texas, and we reported a gain on sale of $6.9 million, $6.1 million, and $4.0 million, respectively. We have not included the 2019 Real Estate Assets Sold in discontinued operations as they did not meet the definition of discontinued operations.