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Document and Entity Information
Oct. 26, 2021
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Oct. 26, 2021
Entity Registrant Name Whitestone REIT
Entity Central Index Key 0001175535
Amendment Flag false
Entity Incorporation, State or Country Code MD
Entity File Number 001-34855
Entity Tax Identification Number 76-0594970
Entity Address, Address Line One 2600 South Gessner,
Entity Address, Address Line Two Suite 500,
Entity Address, City or Town Houston,
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77063
City Area Code 713
Local Phone Number 827-9595
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock  
Entity Information [Line Items]  
Title of 12(b) Security Common Shares of Beneficial Interest, par value $0.001 per share
Trading Symbol WSR
Security Exchange Name NYSE
Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security Preferred Stock Purchase Rights
No Trading Symbol Flag true
Security Exchange Name NYSE