Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
Real estate assets, at cost
Property	$ 483,379,000	$ 409,669,000
Accumulated depreciation	(62,737,000)	(53,920,000)
Total real estate assets	420,642,000	355,749,000
Cash and cash equivalents	9,506,000	6,544,000
Marketable securities	873,000	1,403,000
Escrows and acquisition deposits	6,129,000	6,672,000
Accrued rents and accounts receivable, net of allowance for doubtful accounts	9,169,000	7,947,000
Related party receivable	0	652,000
Unamortized lease commissions and loan costs	5,564,000	4,160,000
Prepaid expenses and other assets	2,749,000	2,244,000
Total assets	454,632,000	385,371,000
Liabilities:
Notes payable	266,260,000	190,608,000
Accounts payable and accrued expenses	13,505,000	13,824,000
Tenants' security deposits	3,360,000	3,024,000
Dividends and distributions payable	5,109,000	5,028,000
Total liabilities	288,234,000	212,484,000
Commitments and contingencies:	0	0
Equity:
Preferred shares, $0.001 par value per share; 50,000,000 shares authorized; none issued and outstanding as of September 30, 2013 and December 31, 2012	0	0
Common shares, $0.001 par value per share; 400,000,000 shares authorized; 17,341,947 and 16,943,098 issued and outstanding as of September 30, 2013 and December 31, 2012, respectively	17,000	16,000
Additional paid-in capital	231,001,000	224,237,000
Accumulated deficit	(69,879,000)	(57,830,000)
Accumulated other comprehensive loss	(68,000)	(392,000)
Total Whitestone REIT shareholders' equity	161,071,000	166,031,000
Noncontrolling interest in subsidiary	5,327,000	6,856,000
Total equity	166,398,000	172,887,000
Total liabilities and equity	$ 454,632,000	$ 385,371,000