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Subsequent Events (Notes)
9 Months Ended
Sep. 30, 2019
Subsequent Events [Abstract]  
Subsequent Events
SUBSEQUENT EVENTS
    
On October 8, 2019, Pillarstone OP, through an indirect wholly owned subsidiary, Whitestone Industrial-Office, LLC, sold a portfolio of three Real Estate Assets in Houston, Texas to an unaffiliated third party for $39.7 million in cash. Pillarstone OP used the net proceeds, after customary closing deductions, to pay off mortgage debt on several Real Estate Assets, and repay the remaining $5.7 million of its $15.5 million loan from Whitestone. In addition to the $5.7 million loan repayment, Whitestone received a $5.4 million cash distribution from its stake in Pillarstone OP as a result of the sale