Organization	12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	ORGANIZATION Pillarstone Capital REIT (the “Company,” “Pillarstone,” “we,” “our,” or “us”) is a Maryland real estate investment trust (“REIT”) engaged in investing in, owning and operating commercial properties. In 2016, the shareholders of Pillarstone approved changing the Company's name from Paragon Real Estate Equity and Investment Trust to Pillarstone Capital REIT. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a real estate investment trust (“REIT”) or real estate operating company and (iii) joint venture investments. We serve as the general partner of Pillarstone Capital REIT Operating Partnership LP (“Pillarstone OP”), which was formed on September 23, 2016 as a Delaware limited partnership. We are the sole general partner of Pillarstone OP and we conduct substantially all operations and activities through Pillarstone OP. As of December 31, 2017, we owned 18.6% of the outstanding equity in Pillarstone OP.

Organization

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

ORGANIZATION

Pillarstone Capital REIT (the “Company,” “Pillarstone,” “we,” “our,” or “us”) is a Maryland real estate investment trust (“REIT”) engaged in investing in, owning and operating commercial properties. In 2016, the shareholders of Pillarstone approved changing the Company's name from Paragon Real Estate Equity and Investment Trust to Pillarstone Capital REIT. Future real estate investments may include (i) acquisition and development of retail, office, office warehouse, industrial, multifamily, hotel, and other commercial properties, (ii) acquisition of or merger with a real estate investment trust (“REIT”) or real estate operating company and (iii) joint venture investments. We serve as the general partner of Pillarstone Capital REIT Operating Partnership LP (“Pillarstone OP”), which was formed on September 23, 2016 as a Delaware limited partnership. We are the sole general partner of Pillarstone OP and we conduct substantially all operations and activities through Pillarstone OP. As of December 31, 2017, we owned 18.6% of the outstanding equity in Pillarstone OP.