Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Real estate assets, at cost:
Property	$ 241,488	$ 203,223
Accumulated depreciation	(43,761)	(38,989)
Net operating real estate assets	197,727	164,234
Real estate assets held-for-sale, net	0	1,164
Total real estate assets	197,727	165,398
Cash and cash equivalents	32,660	17,591
Marketable securities	4,579	0
Escrows and acquisition deposits	4,092	4,385
Accrued rents and accounts receivable, net of allowance for doubtful accounts	5,309	4,691
Unamortized lease commissions and loan costs	3,618	3,574
Prepaid expenses and other assets	705	746
Other assets - discontinued operations	0	60
Total assets	248,690	196,445
Liabilities:
Notes payable	102,234	100,941
Accounts payable and accrued expenses	7,800	7,208
Tenants' security deposits	1,956	1,768
Dividends and distributions payable	3,647	2,133
Other liabilities - discontinued operations	0	112
Total liabilities	115,637	112,162
Commitments and contingencies:
Equity:
Preferred shares, $0.001 par value per share; 50,000,000 shares authorized; none issued and outstanding at September 30, 2011 and December 31, 2010	0	0
Additional paid-in capital	153,105	93,357
Accumulated other comprehensive loss	(1,545)	0
Accumulated deficit	(38,413)	(30,654)
Total Whitestone REIT shareholders' equity	113,157	62,708
Noncontrolling interests in subsidiary	19,896	21,575
Total equity	133,053	84,283
Total liabilities and equity	248,690	196,445
Class A common shares, $0.001 par value per share; 50,000,000 shares authorized; 3,471,090 and 3,471,187 issued and outstanding as of September 30, 2011 and December 31, 2010, respectively [Member]
Equity:
Common shares	3	3
Total equity	3	3
Class B common shares, $0.001 par value per share; 350,000,000 shares authorized; 7,511,269 and 2,200,000 issued and outstanding as of September 30, 2011 and December 31, 2010, respectively [Member]
Equity:
Common shares	7	2
Total equity	$ 7	$ 2