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Noncontrolling Interests
9 Months Ended
Sep. 30, 2021
Noncontrolling Interest [Abstract]  
Noncontrolling Interests Noncontrolling InterestsThe noncontrolling interest represents the third party ownership interest in TCI and Income Opportunity Realty Investors, Inc. ("IOR"). We owned 78.4% of TCI and 81.1% in IOR during the three and nine months ended September 30, 2021 and 2020.