Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 03, 2022
Document Information [Line Items]
Entity Central Index Key	0001175535
Entity Registrant Name	Whitestone REIT
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	001-34855
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	76-0594970
Entity Address, Address Line One	2600 South Gessner, Suite 500
Entity Address, Postal Zip Code	77063
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
City Area Code	713
Local Phone Number	827-9595
Title of 12(b) Security	Common Shares of Beneficial Interest, par value $0.001 per share
Trading Symbol	WSR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		49,369,911