Whitestone REIT (WSR) 10-K 29 Feb 16 2015 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2015	Feb. 26, 2016	Jun. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	Whitestone REIT
Entity Central Index Key	1,175,535
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		27,004,048
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 344,674,385

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Real estate assets, at cost
Property	$ 835,538	$ 673,655
Accumulated depreciation	(89,580)	(71,587)
Total real estate assets	745,958	602,068
Cash and cash equivalents	2,587	4,236
Restricted cash	121	0
Marketable securities	435	973
Escrows and acquisition deposits	6,668	4,092
Accrued rents and accounts receivable, net of allowance for doubtful accounts	15,466	11,834
Unamortized lease commissions and loan costs	9,970	8,879
Prepaid expenses and other assets	2,672	2,215
Total assets	783,877	634,297
Liabilities:
Notes payable	499,747	394,093
Accounts payable and accrued expenses	24,051	15,882
Tenants' security deposits	5,254	4,372
Dividends and distributions payable	7,834	6,627
Total liabilities	536,886	420,974
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 December 31, 2015 and December 31, 2014, respectively	0	0
Common shares, $0.001 par value per share; 400,000,000 shares authorized; 26,991,493 and 22,835,695 issued and outstanding as of December 31, 2015 and December 31, 2014, respectively	27	23
Additional paid-in capital	359,971	304,078
Accumulated other comprehensive loss	(116,895)	(93,938)
Accumulated deficit	(129)	(91)
Total Whitestone REIT shareholders' equity	242,974	210,072
Noncontrolling interest in subsidiary	4,017	3,251
Total equity	246,991	213,323
Total liabilities and equity	$ 783,877	$ 634,297

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Stockholders' Equity:
Preferred shares, par value per share (in dollars per share)	$ 0.001	$ 0.001
Preferred shares, shares authorized (in shares)	50,000,000	50,000,000
Preferred shares, shares issued (in shares)	0	0
Preferred shares, shares outstanding (in shares)	0	0
Common shares, par value per share (in dollars per share)	$ 0.001	$ 0.001
Common shares, authorized (in shares)	400,000,000	400,000,000
Common shares, issued (in shares)	26,991,493	22,835,695
Common shares, outstanding (in shares)	26,991,493	22,835,695

Consolidated Statements of Oper

Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property revenues
Rental revenues	$ 71,843	$ 56,293	$ 47,297
Other revenues	21,573	16,089	13,195
Total property revenues	93,416	72,382	60,492
Property expenses
Property operation and maintenance	18,698	15,405	14,079
Real estate taxes	12,637	9,747	8,599
Total property expenses	31,335	25,152	22,678
Other expenses (income)
General and administrative	20,312	15,274	10,912
Depreciation and amortization	19,761	15,725	13,100
Interest expense	14,910	10,579	9,975
Interest, dividend and other investment income	(313)	(90)	(136)
Total other expense	54,670	41,488	33,851
Income from continuing operations before loss on sale or disposal of assets and income taxes	7,411	5,742	3,963
Provision for income taxes	(372)	(282)	(293)
Loss on sale or disposal of assets	(185)	(111)	(49)
Income from continuing operations	6,854	5,349	3,621
Income from discontinued operations	11	510	298
Gain on sale of property from discontinued operations	0	1,887	0
Income from discontinued operations	11	2,397	298
Net income	6,865	7,746	3,919
Less: Net income attributable to noncontrolling interests	116	160	125
Net income attributable to Whitestone REIT	$ 6,749	$ 7,586	$ 3,794
Basic Earnings Per Share:
Income (loss) from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.25	$ 0.23	$ 0.19
Income from discontinued operations attributable to Whitestone REIT (in dollars per share)	0	0.10	0.02
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	0.25	0.33	0.21
Diluted Earnings Per Share:
Income (loss) from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares (in dollars per share)	0.24	0.22	0.19
Income from discontinued operations attributable to Whitestone REIT (in dollars per share)	0	0.10	0.01
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.24	$ 0.32	$ 0.20
Weighted average number of common shares outstanding:
Basic (in shares)	24,631	22,278	18,027
Diluted (in shares)	25,683	22,793	18,273
Distributions declared per common share / OP unit (in dollars per share)	$ 1.14	$ 1.14	$ 1.14
Consolidated Statements of Comprehensive Income
Net income	$ 6,865	$ 7,746	$ 3,919
Other comprehensive gain (loss)
Unrealized gain (loss) on cash flow hedging activities	46	(136)	173
Unrealized gain (loss) on available-for-sale marketable securities	(85)	96	180
Comprehensive income	6,826	7,706	4,272
Less: Comprehensive income attributable to noncontrolling interests	115	160	136
Comprehensive income attributable to Whitestone REIT	$ 6,711	$ 7,546	$ 4,136

Consolidated Statement of Chang

Consolidated Statement of Changes in Equity - USD ($) $ in Thousands		Total	ATM Program [Member]		Overnight Offering [Member]	[2]	Total Shareholders' Equity [Member]	Total Shareholders' Equity [Member]ATM Program [Member]		Total Shareholders' Equity [Member]Overnight Offering [Member]	[2]	Common Stock [Member]	Common Stock [Member]ATM Program [Member]		Common Stock [Member]Overnight Offering [Member]	[2]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member]ATM Program [Member]		Additional Paid-in Capital [Member]Overnight Offering [Member]	[2]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interests [Member]
Beginning Balance (in shares), at Dec. 31, 2012												16,943,000
Beginning Balance at Dec. 31, 2012		$ 172,887					$ 166,031					$ 16					$ 224,237					$ (57,830)	$ (392)	$ 6,856
Beginning Balance (in units), at Dec. 31, 2012																								685,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of commons shares (in shares)													282,000	[1]	4,600,000
Issuance of common shares			$ 4,191	[1]	$ 59,696			$ 4,191	[1]	$ 59,696					$ 5			$ 4,191	[1]	$ 59,691
Exchange of noncontrolling interest OP units for common shares (in shares)												(123,000)												(123,000)
Exchange of noncontrolling interest OP units for common shares		0					1,234					$ 1					1,236						(3)	$ (1,234)
Exchange offer costs		(40)					(40)										(40)
Issuance of common shares under dividend reinvestment plan (in shares)												7,000
Issuance of common shares under dividend reinvestment plan		$ 99					99										99
Shared-based compensation (in shares)		11,000
Share-based compensation		$ 2,157					2,157										2,157
Distributions		(22,347)					(21,685)															(21,685)		(662)
Unrealized gain on change in fair value of cash flow hedge		173					167																167
Unrealized gain (loss) on change in fair value of available-for-sale marketable securities		180					174															174		6
Net income		3,919					3,794															3,794		125
Ending Balance at Dec. 31, 2013		220,915					215,818					$ 22					291,571					(75,721)	(54)	$ 5,097
Ending Balance (in shares), at Dec. 31, 2013												21,944,000
Ending Balance (in units), at Dec. 31, 2013																								562,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of commons shares (in shares)	[3]												456,000
Issuance of common shares	[3]		$ 6,458					$ 6,458										$ 6,458
Exchange of noncontrolling interest OP units for common shares (in shares)												(164,000)												(164,000)
Exchange of noncontrolling interest OP units for common shares		0					1,487					$ 1					1,484						2	$ (1,487)
Exchange offer costs		(136)					(136)										(136)
Issuance of common shares under dividend reinvestment plan (in shares)												7,000
Issuance of common shares under dividend reinvestment plan		94					94										94
Repurchase of common shares (in shares)	[4]											(2,000)
Repurchase of common shares	[4]	$ (24)					(24)										(24)
Shared-based compensation (in shares)		267,000
Share-based compensation		$ 4,631					4,631										4,631
Distributions		(26,321)					(25,803)															(25,803)		(518)
Unrealized gain on change in fair value of cash flow hedge		(136)					(133)																(133)	(3)
Unrealized gain (loss) on change in fair value of available-for-sale marketable securities		96					94																94	2
Net income		7,746					7,586															7,586		160
Ending Balance at Dec. 31, 2014		$ 213,323					210,072					$ 23					304,078					(93,938)	(91)	$ 3,251
Ending Balance (in shares), at Dec. 31, 2014		22,835,695										22,836,000
Ending Balance (in units), at Dec. 31, 2014																								398,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of commons shares (in shares)												3,750,000
Issuance of common shares		$ 49,649					49,649					$ 4					49,645
Issuance of OP units (in shares)																								120,000
Issuance of OP units		1,333																						$ 1,333
Exchange of noncontrolling interest OP units for common shares (in shares)												(21,000)												(21,000)
Exchange of noncontrolling interest OP units for common shares		0					174					$ 0					173						1	$ (174)
Issuance of common shares under dividend reinvestment plan (in shares)												7,000
Issuance of common shares under dividend reinvestment plan		95					95										95
Repurchase of common shares (in shares)	[4]											(101,000)
Repurchase of common shares	[4]	$ (1,357)					(1,357)										(1,357)
Shared-based compensation (in shares)		478,000
Share-based compensation		$ 7,337					7,337										7,337
Distributions		(30,215)					(29,706)															(29,706)		(509)
Unrealized gain on change in fair value of cash flow hedge		46					45																45	1
Unrealized gain (loss) on change in fair value of available-for-sale marketable securities		(85)					(84)																(84)	(1)
Net income		6,865					6,749															6,749		116
Ending Balance at Dec. 31, 2015		$ 246,991					$ 242,974					$ 27					$ 359,971					$ (116,895)	$ (129)	$ 4,017
Ending Balance (in shares), at Dec. 31, 2015		26,991,493										26,991,000
Ending Balance (in units), at Dec. 31, 2015																								497,000
[1]	Net of offering costs of $0.2 million.
[2]	Net of offering costs of $2.6 million.
[3]	Net of offering costs of $0.1 million.
[4]	During the years ended December 31, 2015 and 2014, the Company acquired common shares held by employees who tendered owned common shares to satisfy the tax withholding on the lapse of certain restrictions on restricted shares.

Consolidated Statement of Chan6

Consolidated Statement of Changes in Equity (Parenthetical) $ in Millions	12 Months Ended
	Dec. 31, 2013USD ($)
ATM Program [Member]
Offering costs	$ 0.2
Overnight Offering [Member]
Offering costs	$ 2.6

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income from continuing operations	$ 6,854	$ 5,349	$ 3,621
Net income from discontinued operations	11	2,397	298
Net income	6,865	7,746	3,919
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,761	15,725	13,100
Amortization of deferred loan costs	1,212	899	1,046
Amortization of notes payable discount	295	304	463
Gain on sale of marketable securities	(44)	0	(41)
Loss on sale or disposal of assets and properties	185	111	49
Bad debt expense	1,974	1,602	1,638
Share-based compensation	7,337	4,631	2,284
Changes in operating assets and liabilities:
Escrows and acquisition deposits	(2,576)	(1,998)	4,920
Accrued rent and accounts receivable	(5,606)	(3,668)	(3,589)
Related party receivable	0	0	652
Unamortized lease commissions	(1,918)	(1,526)	(1,170)
Prepaid expenses and other assets	394	605	938
Accounts payable and accrued expenses	7,419	2,257	(1,242)
Tenants' security deposits	882	900	561
Net cash provided by operating activities	36,169	25,191	23,230
Net cash provided by operating activities of discontinued operations	11	450	654
Cash flows from investing activities:
Acquisitions of real estate	(147,950)	(129,439)	(119,102)
Additions to real estate	(12,719)	(9,330)	(6,138)
Proceeds from sales of marketable securities	496	0	747
Net cash used in investing activities	(160,173)	(138,769)	(124,493)
Net cash provided by (used in) investing activities of discontinued operations	0	7,311	(153)
Cash flows from financing activities:
Distributions paid to common shareholders	(28,457)	(25,539)	(20,294)
Distributions paid to OP unit holders	(489)	(550)	(691)
Proceeds from issuance of common shares, net of offering costs	49,649	6,458	63,887
Payments of exchange offer costs	0	(136)	(40)
Proceeds from revolving credit facility, net	107,500	85,300	65,800
Proceeds from notes payable	0	47,300	105,710
Repayments of notes payable	(2,847)	(3,306)	(110,829)
Payments of loan origination costs	(1,534)	(3,036)	(2,796)
Change in restricted cash	(121)	0	0
Repurchase of common shares	(1,357)	(24)	0
Net cash provided by financing activities	122,344	106,467	100,747
Net cash used in financing activities of discontinued operations	0	(2,905)	(38)
Net decrease in cash and cash equivalents	(1,649)	(2,255)	(53)
Cash and cash equivalents at beginning of period	4,236	6,491	6,544
Cash and cash equivalents at end of period	2,587	4,236	6,491
Supplemental disclosure of cash flow information:
Cash paid for interest	13,470	9,562	9,179
Cash paid for taxes	315	238	237
Non cash investing and financing activities:
Disposal of fully depreciated real estate	57	6,092	278
Financed insurance premiums	1,057	888	883
Value of shares issued under dividend reinvestment plan	95	94	99
Value of common shares exchanged for OP units	174	1,484	1,236
Change in fair value of available-for-sale securities	85	96	180
Change in fair value of cash flow hedge	(46)	(136)	173
Debt assumed with acquisitions of real estate	0	2,586	11,100
Interest supplement assumed with acquisition of real estate	0	0	932
Acquisition of real estate in exchange for OP units	$ 1,333	$ 0	$ 0

Description of Business and Nat

Description of Business and Nature of Operations	12 Months Ended
	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
DESCRIPTION OF BUSINESS AND NATURE OF OPERATIONS	DESCRIPTION OF BUSINESS AND NATURE OF OPERATIONS Whitestone REIT (“Whitestone”) was formed as a real estate investment trust, pursuant to the Texas Real Estate Investment Trust Act on August 20, 1998. In July 2004, we changed our state of organization from Texas to Maryland pursuant to a merger where we merged directly with and into a Maryland real estate investment trust formed for the sole purpose of the reorganization and the conversion of each of our outstanding common shares of beneficial interest of the Texas entity into 1.42857 common shares of beneficial interest of the Maryland entity. We serve as the general partner of Whitestone REIT Operating Partnership, L.P. (the “Operating Partnership” or “WROP” or “OP”), which was formed on December 31, 1998 as a Delaware limited partnership. We currently conduct substantially all of our operations and activities through the Operating Partnership. As the general partner of the Operating Partnership, we have the exclusive power to manage and conduct the business of the Operating Partnership, subject to certain customary exceptions. As of December 31, 2015 , 2014 and 2013 , we owned and operated 70 , 63 , and 60 commercial properties, respectively, in and around Austin, Chicago, Dallas-Fort Worth, Houston, Phoenix and San Antonio.

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Consolidation. We are the sole general partner of the Operating Partnership and possess full legal control and authority over the operations of the Operating Partnership. As of December 31, 2015 , 2014 and 2013 , we owned a majority of the partnership interests in the Operating Partnership. Consequently, the accompanying consolidated financial statements include the accounts of the Operating Partnership. All significant inter-company balances have been eliminated. Noncontrolling interest in the accompanying consolidated financial statements represents the share of equity and earnings of the Operating Partnership allocable to holders of partnership interests other than us. Net income or loss is allocated to noncontrolling interests based on the weighted-average percentage ownership of the Operating Partnership during the year. Issuance of additional common shares of beneficial interest in Whitestone (the “common shares”) and units of limited partnership interest in the Operating Partnership that are convertible into cash or, at our option, common shares on a one -for- one basis (the “OP units”) changes the percentage of ownership interests of both the noncontrolling interests and Whitestone. Basis of Accounting. Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred. Use of Estimates. The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates that we use include the estimated fair values of properties acquired, the estimated useful lives for depreciable and amortizable assets and costs, the estimated allowance for doubtful accounts, the estimated fair value of interest rate swaps and the estimates supporting our impairment analysis for the carrying values of our real estate assets. Actual results could differ from those estimates. Reclassifications. We have reclassified certain prior year amounts in the accompanying consolidated financial statements in order to be consistent with the current fiscal year presentation. These reclassifications had no effect on net income, total assets, total liabilities or equity. During 2014, we reclassified certain properties classified as discontinued operations to conform to the current year presentation. See Note 4 for additional discussion. Restricted Cash. We classify all cash pledged as collateral to secure certain obligations and all cash whose use is limited as restricted cash. During 2015, pursuant to the terms of our $15.1 million 4.99% Note, due January 6, 2024 (See Note 8), which is collateralized by our Anthem Marketplace property, we were required by the lenders thereunder to establish a cash management account controlled by the lenders to collect all amounts generated by our Anthem Marketplace property in order to collateralize such promissory note. As a result, these amounts are reported in the consolidated statements of cash flows under cash flows from financing activities. Share-Based Compensation. From time to time, we award nonvested restricted common share awards or restricted common share unit awards, which may be converted into common shares, to executive officers and employees under our 2008 Long-Term Equity Incentive Ownership Plan (the “2008 Plan”). The vast majority of the awarded shares and units vest when certain performance conditions are met. We recognize compensation expense when achievement of the performance conditions is probable based on management’s most recent estimates using the fair value of the shares as of the grant date. We recognized $7.3 million , $4.7 million and $2.3 million in share-based compensation expense for the years ended December 31, 2015 , 2014 and 2013 , respectively. Noncontrolling Interests. Noncontrolling interests are the portion of equity in a subsidiary not attributable to a parent. The ownership interests not held by the parent are considered noncontrolling interests. Accordingly, we have reported noncontrolling interests in equity on the consolidated balance sheets but separate from Whitestone’s equity. On the consolidated statements of operations and comprehensive income, subsidiaries are reported at the consolidated amount, including both the amount attributable to Whitestone and noncontrolling interests. Consolidated statements of changes in equity are included for both quarterly and annual financial statements, including beginning balances, activity for the period and ending balances for shareholders’ equity, noncontrolling interests and total equity. Revenue Recognition. All leases on our properties are classified as operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met. Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We have established an allowance for doubtful accounts against the portion of tenant accounts receivable which is estimated to be uncollectible. Cash and Cash Equivalents. We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Cash and cash equivalents as of December 31, 2015 and 2014 consisted of demand deposits at commercial banks and brokerage accounts. Marketable Securities. We classify our existing marketable equity securities as available-for-sale in accordance with the Financial Accounting Standards Board's (“FASB”) Investments-Debt and Equity Securities guidance. These securities are carried at fair value with unrealized gains and losses reported in equity as a component of accumulated other comprehensive income or loss. The fair value of the marketable securities is determined using Level 1 inputs under FASB Accounting Standards Codification (“ASC”) 820, “ Fair Value Measurements and Disclosures.” Level 1 inputs represent quoted prices available in an active market for identical investments as of the reporting date. Gains and losses on securities sold are based on the specific identification method, and are reported as a component of interest, dividend and other investment income. Real Estate Development Properties. Land, buildings and improvements are recorded at cost. Expenditures related to the development of real estate are carried at cost which includes capitalized carrying charges and development costs. Carrying charges (interest and real estate taxes) are capitalized as part of construction in progress. The capitalization of such costs ceases when the property, or any completed portion, becomes available for occupancy. For the year ended December 31, 2015 , approximately $106,000 and $69,000 in interest expense and real estate taxes, respectively, were capitalized. For the year ended December 31, 2014 , approximately $93,000 and $58,000 in interest expense and real estate taxes, respectively, were capitalized. For the year ended December 31, 2013 , approximately $114,000 and $100,000 in interest expense and real estate taxes, respectively, were capitalized. Acquired Properties and Acquired Lease Intangibles. We allocate the purchase price of the acquired properties to land, building and improvements, identifiable intangible assets and to the acquired liabilities based on their respective fair values at the time of purchase. Identifiable intangibles include amounts allocated to acquired out-of-market leases, the value of in-place leases and customer relationship value, if any. We determine fair value based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information. Estimates of future cash flows are based on a number of factors including the historical operating results, known trends and specific market and economic conditions that may affect the property. Factors considered by management in our analysis of determining the as-if-vacant property value include an estimate of carrying costs during the expected lease-up periods considering market conditions, and costs to execute similar leases. In estimating carrying costs, management includes real estate taxes, insurance and estimates of lost rentals at market rates during the expected lease-up periods, tenant demand and other economic conditions. Management also estimates costs to execute similar leases including leasing commissions, tenant improvements, legal and other related expenses. Intangibles related to out-of-market leases and in-place lease value are recorded as acquired lease intangibles and are amortized as an adjustment to rental revenue or amortization expense, as appropriate, over the remaining terms of the underlying leases. Premiums or discounts on acquired out-of-market debt are amortized to interest expense over the remaining term of such debt. Depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of 5 to 39 years for improvements and buildings, respectively. Tenant improvements are depreciated using the straight-line method over the life of the improvement or remaining term of the lease, whichever is shorter. Impairment. We review our properties for impairment at least annually or whenever events or changes in circumstances indicate that the carrying amount of the assets, including accrued rental income, may not be recoverable through operations. We determine whether an impairment in value has occurred by comparing the estimated future cash flows (undiscounted and without interest charges), including the estimated residual value of the property, with the carrying cost of the property. If impairment is indicated, a loss will be recorded for the amount by which the carrying value of the property exceeds its fair value. Management has determined that there has been no impairment in the carrying value of our real estate assets as of December 31, 2015 . Accrued Rents and Accounts Receivable. Included in accrued rent and accounts receivable are base rents, tenant reimbursements and receivables attributable to recording rents on a straight-line basis. An allowance for the uncollectible portion of accrued rents and accounts receivable is determined based upon customer credit-worthiness (including expected recovery of our claim with respect to any tenants in bankruptcy), historical bad debt levels, and current economic trends. As of December 31, 2015 and 2014 , we had an allowance for uncollectible accounts of $6.6 million and $5.0 million , respectively. As of December 31, 2015 , 2014 and 2013 , we recorded bad debt expense in the amount of $2.0 million , $1.6 million and $1.6 million , respectively, related to tenant receivables that we specifically identified as potentially uncollectible based on our assessment of each tenant’s credit-worthiness. Bad debt expenses and any related recoveries are included in property operation and maintenance expense. Unamortized Lease Commissions and Loan Costs. Leasing commissions are amortized using the straight-line method over the terms of the related lease agreements. Loan costs are amortized on the straight-line method over the terms of the loans, which approximates the interest method. Costs allocated to in-place leases whose terms differ from market terms related to acquired properties are amortized over the remaining life of the respective leases. Prepaids and Other Assets. Prepaids and other assets include escrows established pursuant to certain mortgage financing arrangements for real estate taxes and insurance and acquisition deposits which include earnest money deposits on future acquisitions. As part of the executive relocation arrangement discussed in Note 12, we issued a note receivable for $975,000 to the buyer, with an interest rate of 4.5% and a maturity of December 31, 2013. On December 5, 2013, the note was renewed through June 30, 2014 and bears interest at a rate of 5.2% during the renewal period. We are currently working with the buyer to renew the note receivable. Federal Income Taxes. We elected to be taxed as a REIT under the Code beginning with our taxable year ended December 31, 1999. As a REIT, we generally are not subject to federal income tax on income that we distribute to our shareholders. If we fail to qualify as a REIT in any taxable year, we will be subject to federal income tax on our taxable income at regular corporate rates. We believe that we are organized and operate in such a manner as to qualify to be taxed as a REIT, and we intend to operate so as to remain qualified as a REIT for federal income tax purposes. State Taxes. We are subject to the Texas Margin Tax, which is computed by applying the applicable tax rate ( 1% for us) to the profit margin, which, generally, will be determined for us as total revenue less a 30% standard deduction. Although the Texas Margin Tax is not considered an income tax, FASB ASC 740, “Income Taxes” (“ASC 740”) applies to the Texas Margin Tax. As of December 31, 2015 , 2014 and 2013 , we recorded a margin tax provision of $0.4 million , $0.3 million and $0.3 million , respectively. Fair Value of Financial Instruments. Our financial instruments consist primarily of cash, cash equivalents, accounts receivable, accounts and notes payable and investments in marketable securities. The carrying value of cash, cash equivalents, accounts receivable and accounts payable are representative of their respective fair values due to their short-term nature. The fair value of our long-term debt, consisting of fixed rate secured notes, variable rate secured notes and an unsecured revolving credit facility aggregate to approximately $498.8 million and $394.9 million as compared to the book value of approximately $499.7 million and $394.1 million as of December 31, 2015 and 2014 , respectively. The fair value of our long-term debt is estimated on a Level 2 basis (as provided by ASC 820, “Fair Value Measurements and Disclosures ” (“ASC 820”)), using a discounted cash flow analysis based on the borrowing rates currently available to us for loans with similar terms and maturities, discounting the future contractual interest and principal payments. Disclosure about fair value of financial instruments is based on pertinent information available to management as of December 31, 2015 and 2014 . Although management is not aware of any factors that would significantly affect the fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since December 31, 2015 and current estimates of fair value may differ significantly from the amounts presented herein. Derivative Instruments and Hedging Activities. We occasionally utilize derivative financial instruments, principally interest rate swaps, to manage our exposure to fluctuations in interest rates. We have established policies and procedures for risk assessment, and the approval, reporting and monitoring of derivative financial instruments. We recognize our interest rate swaps as cash flow hedges with the effective portion of the changes in fair value recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. Any ineffective portion of a cash flow hedges' change in fair value is recorded immediately into earnings. Our cash flow hedges are determined using Level 2 inputs under ASC 820. Level 2 inputs represent quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active; and model-derived valuations whose inputs are observable. As of December 31, 2015 , we consider our cash flow hedges to be highly effective. Concentration of Risk. Substantially all of our revenues are obtained from office, warehouse and retail locations in the Austin, Chicago, Dallas-Fort Worth, Houston, Phoenix and San Antonio metropolitan areas. We maintain cash accounts in major U.S. financial institutions. The terms of these deposits are on demand to minimize risk. The balances of these accounts sometimes exceed the federally insured limits, although no losses have been incurred in connection with these deposits. Recent accounting pronouncements. In April 2015, the FASB issued guidance requiring that debt issuance costs related to a recognized liability be presented on the balance sheet as a direct reduction from the carrying amount of that debt liability, consistent with the presentation of debt discounts. In August 2015, the FASB issued guidance to clarify that debt issuance costs related to line-of-credit agreements may still be presented as an asset and subsequently amortized ratably over the term of such arrangement, regardless of whether there are any outstanding borrowings on the line-of-credit. This guidance is effective for financial statements issued for fiscal years beginning after December 15, 2015 and is to be applied retrospectively. We expect this guidance to reduce total assets and total notes payable on our consolidated balance sheets for amounts classified as deferred financing costs specific to debt issuance costs. We do not expect this guidance to have any other effect on our consolidated financial statements.

Marketable Securities

Marketable Securities	12 Months Ended
	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
MARKETABLE SECURITIES	MARKETABLE SECURITIES All of our marketable securities were classified as available-for-sale securities as of December 31, 2015 , 2014 and 2013 . Available-for-sale securities consist of the following (in thousands): December 31, 2015 Amortized Cost Gains in Accumulated Other Comprehensive Income Losses in Accumulated Other Comprehensive Income Estimated Fair Value Real estate sector common stock $ 654 $ — $ (219 ) $ 435 Total available-for-sale securities $ 654 $ — $ (219 ) $ 435 December 31, 2014 Amortized Cost Gains in Accumulated Other Comprehensive Income Losses in Accumulated Other Comprehensive Income Estimated Fair Value Real estate sector common stock $ 1,106 $ — $ (133 ) $ 973 Total available-for-sale securities $ 1,106 $ — $ (133 ) $ 973 During the years ended December 31, 2015 and 2013 , available-for-sale securities were sold for total proceeds of $496,000 and $747,000 , respectively. The gross realized gains and losses on these sales totaled $44,000 and $0 , respectively, in 2015 , and $44,000 and $3,000 , respectively, in 2013 . During the year ended December 31, 2014 , no available-for-sale securities were sold. For the purpose of determining gross realized gains and losses, the cost of securities sold is based on specific identification. A net unrealized holding loss on available-for-sale securities in the amount of $219,000 and $133,000 for the years ended December 31, 2015 and 2014 , respectively, has been included in accumulated other comprehensive income.

Real Estate

Real Estate	12 Months Ended
	Dec. 31, 2015
Real Estate [Abstract]
REAL ESTATE	REAL ESTATE As of December 31, 2015 , we owned 70 commercial properties in the Austin, Chicago, Dallas-Fort Worth, Houston, Phoenix and San Antonio areas comprised of approximately 6.0 million square feet of gross leasable area. Property Acquisitions. On August 28, 2015, we acquired the hard corner at our Gilbert Tuscany Village property for approximately $1.7 million in cash and net prorations. The 14,603 square foot single-tenant property was vacant at the time of purchase and is located in Gilbert, Arizona. No revenue and a loss of $32,000 have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On August 26, 2015, we acquired two parcels of undeveloped land totaling 3.12 acres for 120,000 OP units. The OP units, are convertible on a one -for- one basis for Whitestone REIT common shares, subject to certain restrictions. The undeveloped land parcels are adjacent to our Keller Place property. On August 26, 2015, we acquired Keller Place, a property that meets our Community Centered Property™ strategy, for approximately $12.0 million in cash and net prorations. The 93,541 square foot property was 92% leased at the time of purchase and is located in the Keller suburb of Fort Worth, Texas. Revenue and income of $471,000 and $237,000 , respectively, have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On August 26, 2015, we acquired Quinlan Crossing, a property that meets our Community Centered Property™ strategy, for approximately $37.5 million in cash and net prorations. The 109,892 square foot property was 95% leased at the time of purchase and is located in Austin, Texas. Revenue and income of $1,283,000 and $555,000 , respectively, have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On July 2, 2015, we acquired Parkside Village North, a property that meets our Community Centered Property™ strategy, for approximately $12.5 million in cash and net prorations. The 27,045 square foot property was 100% leased at the time of purchase and is located in Austin, Texas. Revenue and income of $596,000 and $289,000 , respectively, have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On July 2, 2015, we acquired Parkside Village South, a property that meets our Community Centered Property™ strategy, for approximately $32.5 million in cash and net prorations. The 90,101 square foot property was 100% leased at the time of purchase and is located in Austin, Texas. Revenue and income of $1,738,000 and $844,000 , respectively, have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On May 27, 2015, we acquired Davenport Village, a property that meets our Community Centered Property™ strategy, for approximately $45.5 million in cash and net prorations. The 128,934 square foot property was 85% leased at the time of purchase and is located in Austin, Texas. Revenue and income of $2,390,000 and $967,000 , respectively, have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On March 31, 2015, we acquired City View Village, a property that meets our Community Centered Property™ strategy, for approximately $6.3 million in cash and net prorations. The 17,870 square foot property was 100% leased at the time of purchase and is located in San Antonio, Texas. Revenue and income of $612,000 and $273,000 , respectively, have been included in our results of operations for the year ended December 31, 2015 since the date of acquisition. On December 24, 2014, we acquired the hard corner at our Village Square at Dana Park property for approximately $4.7 million , in exchange for the assumption of a $2.6 million non-recourse loan and cash of $2.1 million . The 12,047 square foot property was 88% leased at the time of purchase and is located in the Mesa submarket of Phoenix, Arizona. On December 24, 2014, we acquired The Shops at Williams Trace, a property that meets our Community Centered Property™ strategy, for approximately $20.2 million in cash and net prorations. The 132,991 square foot property was 87% leased at the time of purchase and is located in Sugar Land, Texas. On December 24, 2014, we acquired Williams Trace Plaza, a property that meets our Community Centered Property™ strategy, for approximately $20.4 million in cash and net prorations. The 129,222 square foot property was 95% leased at the time of purchase and is located in Sugar Land, Texas. On December 19, 2014, we acquired a 1.39 acre parcel of undeveloped land for $0.9 million in cash and net prorations. The undeveloped land parcel is adjacent to our Fulton Ranch Towne Center property. On November 5, 2014, we acquired Fulton Ranch Towne Center, a property that meets our Community Centered Property™ strategy, for approximately $29.3 million in cash and net prorations. The 113,281 square foot property was 86% leased at the time of purchase and is located in Chandler, Arizona. On November 5, 2014, we acquired The Promenade at Fulton Ranch, a property that meets our Community Centered Property™ strategy, for approximately $18.6 million in cash and net prorations. The 98,792 square foot property was 76% leased at the time of purchase and is located in Chandler, Arizona. On September 19, 2014, we acquired The Strand at Huebner Oaks, a property that meets our Community Centered Property™ strategy, for approximately $18.0 million in cash and net prorations. The 73,920 square foot property was 90% leased at the time of purchase and is located in San Antonio, Texas. On July 1, 2014, we acquired Heritage Trace Plaza, a property that meets our Community Centered Property™ strategy, for approximately $20.1 million in cash and net prorations. The 70,431 square foot property was 98% leased at the time of purchase and is located in Fort Worth, Texas. On December 5, 2013, we acquired Market Street at DC Ranch, a property that meets our Community Centered Property™ strategy, for approximately $37.4 million in cash and net prorations. The 241,280 square foot property was 80% leased at the time of purchase and is located in Scottsdale, Arizona. On October 17, 2013, we acquired a 2.50 acre parcel for $2.8 million in cash and net prorations. The parcel is located in Spring, Texas, a suburb of Houston, and is contiguous to our Corporate Park Woodland property. At the time of purchase, the parcel had 16,220 square feet and was 63% leased. On October 7, 2013, we acquired Fountain Hills Plaza, a property that meets our Community Centered Property™ strategy, for approximately $20.6 million in cash and net prorations. The 111,289 square foot property was 87% leased at the time of purchase and is located in Fountain Hills, Arizona, a suburb of Phoenix. On June 28, 2013, we acquired Anthem Marketplace, a property that meets our Community Centered Property™ strategy, for approximately $23.3 million in cash and net prorations. The 113,293 square foot property was 100% leased at the time of purchase and is located in Phoenix, Arizona. In the same purchase, we also acquired an adjacent development pad site of 0.83 acres. On June 19, 2013, we acquired Mercado at Scottsdale Ranch, a property that meets our Community Centered Property™ strategy, for approximately $21.3 million , including the assumption of a $11.1 million non-recourse loan, a $0.9 million interest rate supplement and cash of $9.3 million . The 118,730 square foot property was 100% leased at the time of purchase and is located in Scottsdale, Arizona. On March 28, 2013, we acquired Headquarters Village Shopping Center, a property that meets our Community Centered Property™ strategy, for approximately $25.7 million in cash and net prorations. The 89,134 square foot property was 100% leased at the time of purchase and is located in Plano, Texas. Unaudited pro forma results of operations. The pro forma unaudited results summarized below reflect our consolidated pro forma results of operations as if our acquisitions for the years ended December 31, 2015 , 2014 and 2013 were acquired on January 1, 2013 and includes no other material adjustments: INCOME STATEMENT DATA Year Ended December 31, 2015 2014 2013 Operating revenue $ 100,860 $ 97,353 $ 96,333 Net income $ 8,773 $ 15,005 $ 14,517 Acquisition costs. Acquisition-related costs of $1.7 million , $1.3 million and $1.0 million are included in general and administrative expenses in our income statements for the years ended December 31, 2015 , 2014 and 2013 , respectively. Property dispositions. On December 31, 2014, we completed the sale of three office buildings, Zeta, Royal Crest and Featherwood, located in the Clear Lake suburb of Houston, Texas, for $10.3 million . This disposition was pursuant to our strategy of recycling capital by disposing of non-core, primarily Legacy Properties that do not fit our Community Centered Property™ strategy. As part of the transaction, we provided short-term seller financing of $2.5 million . We recorded a gain on sale of $4.4 million , including recognizing a $1.9 million gain on sale for the year ended December 31, 2014 and deferring the remaining $2.5 million gain on sale to be recognized upon receipt of principal payments on the financing provided by us. The operating results for properties classified as discontinued operations consists of the following (in thousands): Year Ended December 31, 2015 2014 2013 Property revenues $ 51 $ 1,626 $ 1,653 Property expenses 41 734 832 Depreciation and amortization — 314 329 Interest expense — 58 175 Provision for income taxes — 10 12 Loss (gain) on sale or disposal of assets (1 ) — 7 Operating income from discontinued operations 11 510 298 Gain on sale of property from discontinued operations — 1,887 — Income from discontinued operations $ 11 $ 2,397 $ 298 Involuntary conversion. On August 29, 2015, we experienced a fire at our Corporate Park Northwest property, located in Houston, Texas. As a result, we recorded involuntary losses of $447,000 related to the disposal of 11,268 square feet of property and related improvements and $55,000 in demolition costs which were offset with $569,000 in insurance proceeds. The $67,000 gain on conversion is included as a reduction in our loss on sale or disposal of assets in the consolidated statements of operations and comprehensive income.

Accrued Rents and Accounts Rece

Accrued Rents and Accounts Receivable, Net	12 Months Ended
	Dec. 31, 2015
Receivables [Abstract]
ACCRUED RENTS AND ACCOUNTS RECEIVABLE, NET	ACCRUED RENTS AND ACCOUNTS RECEIVABLE, NET Accrued rents and accounts receivable, net, consists of amounts accrued, billed and due from tenants, allowance for doubtful accounts and other receivables as follows (in thousands): December 31, 2015 2014 Tenant receivables $ 10,494 $ 7,998 Accrued rents and other recoveries 11,619 8,800 Allowance for doubtful accounts (6,647 ) (4,964 ) Totals $ 15,466 $ 11,834

Unamortized Lease Commissions a

Unamortized Lease Commissions and Loan Costs	12 Months Ended
	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
UNAMORTIZED LEASING COMMISSIONS AND LOAN COSTS	UNAMORTIZED LEASE COMMISSIONS AND LOAN COSTS Costs which have been deferred consist of the following (in thousands): December 31, 2015 2014 Leasing commissions $ 7,226 $ 5,936 Deferred financing cost 6,490 5,785 Total cost 13,716 11,721 Less: leasing commissions accumulated amortization (2,960 ) (2,373 ) Less: deferred financing cost accumulated amortization (786 ) (469 ) Total cost, net of accumulated amortization $ 9,970 $ 8,879 A summary of expected future amortization of deferred costs is as follows (in thousands): Years Ended December 31, Leasing Commissions Deferred Financing Costs Total 2016 $ 1,220 $ 1,253 $ 2,473 2017 1,001 1,239 2,240 2018 728 1,126 1,854 2019 524 612 1,136 2020 379 568 947 Thereafter 414 906 1,320 Total $ 4,266 $ 5,704 $ 9,970

Future Minimum Lease Income

Future Minimum Lease Income	12 Months Ended
	Dec. 31, 2015
Leases [Abstract]
FUTURE MINIMUM LEASE INCOME	FUTURE MINIMUM LEASE INCOME We lease the majority of our properties under noncancelable operating leases, which provide for minimum base rents plus, in some instances, contingent rents based upon a percentage of the tenants’ gross receipts. A summary of minimum future rents to be received (exclusive of renewals, tenant reimbursements, and contingent rents) under noncancelable operating leases in existence as of December 31, 2015 is as follows (in thousands): Years Ended December 31, Minimum Future Rents 2016 $ 71,537 2017 61,511 2018 48,913 2019 37,588 2020 27,078 Thereafter 88,948 Total $ 335,575

Debt

Debt	12 Months Ended
	Dec. 31, 2015
Debt Disclosure [Abstract]
Debt Disclosure	DEBT Mortgages and other notes payable consist of the following (in thousands): December 31, Description 2015 2014 Fixed rate notes $10.5 million, LIBOR plus 2.00% Note, due September 24, 2018 (1) $ 10,220 $ 10,460 $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020 (2) 50,000 50,000 $50.0 million, 1.50% plus 1.35% to 1.90% Note, due January 29, 2021 (3) 50,000 50,000 $100.0 million, 1.73% plus 1.65% to 2.25% Note, due October 30, 2022 (4) 100,000 — $37.0 million 3.76% Note, due December 1, 2020 35,146 36,090 $6.5 million 3.80% Note, due January 1, 2019 6,190 6,355 $19.0 million 4.15% Note, due December 1, 2024 19,000 19,000 $20.2 million 4.28% Note, due June 6, 2023 20,040 20,200 $14.0 million 4.34% Note, due September 11, 2024 14,000 14,000 $14.3 million 4.34% Note, due September 11, 2024 14,300 14,300 $16.5 million 4.97% Note, due September 26, 2023 16,450 16,450 $15.1 million 4.99% Note, due January 6, 2024 15,060 15,060 $9.2 million, Prime Rate less 2.00% Note, due December 29, 2017 (5) 7,886 7,888 $2.6 million 5.46% Note, due October 1, 2023 2,550 2,583 $11.1 million 5.87% Note, due August 6, 2016 11,305 11,607 Floating rate notes Unsecured line of credit, LIBOR plus 1.40% to 1.95%, due October 30, 2019 127,600 120,100 $ 499,747 $ 394,093 (1) Promissory note includes an interest rate swap that fixed the interest rate at 3.55% for the duration of the term. (2) Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 1 (as defined below) at 0.84% through February 3, 2017 and 1.75% beginning February 3, 2017 through October 30, 2020. (3) Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 2 (as defined below) at 1.50% . (4) Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 3 (as defined below) at 1.73% . (5) Promissory note includes an interest rate swap that fixed the interest rate at 5.72% for the duration of the term. As part of our acquisition of Paradise Plaza in August 2012, we recorded a discount on the note of $1.3 million , which amortizes into interest expense over the life of the loan and results in an imputed interest rate of 4.13% . Our mortgage debt was collateralized by 20 operating properties as of December 31, 2015 with a combined net book value of $213.9 million and 20 operating properties as of December 31, 2014 with a combined net book value of $216.9 million . Our loans contain restrictions that would require the payment of prepayment penalties for the acceleration of outstanding debt and are secured by deeds of trust on certain of our properties and the assignment of certain rents and leases associated with those properties. On December 24, 2014, we assumed a $2.6 million promissory note as part of our acquisition of the hard corner at Village Square at Dana Park (see Note 4). The 5.46% fixed interest rate note matures October 1, 2023. On November 26, 2014, we, operating through our subsidiary, Whitestone Headquarters Village, LLC, a Delaware limited liability company, entered into a $19.0 million promissory note (the “Headquarters Note”), with a fixed interest rate of 4.15% payable to Morgan Stanley Bank, N.A. and a maturity date of December 1, 2024. Proceeds from the Headquarters Note were used to repay a portion of the Facility (as defined below). On November 7, 2014, we, through our Operating Partnership, entered into an unsecured revolving credit facility (the “2014 Facility”) with the lenders party thereto, with BMO Capital Markets, Wells Fargo Securities, LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, and U.S. Bank, National Association, as co-lead arrangers and joint book runners, and Bank of Montreal, as administrative agent (the “Agent”). The 2014 Facility amended and restated our previous unsecured revolving credit facility. On October 30, 2015, we, through our Operating Partnership, entered into the First Amendment to the 2014 Facility (the “First Amendment”) with the guarantors party thereto, the lenders party thereto and the Agent . We refer to the 2014 Facility, as amended by the First Amendment, as the “Facility.” Pursuant to the First Amendment, the Company made the following amendments to the 2014 Facility: • extended the maturity date of the $300 million unsecured revolving credit facility under the 2014 Facility (the “Revolver”) to October 30, 2019 from November 7, 2018; • converted $100 million of outstanding borrowings under the Revolver to a new $100 million unsecured term loan under the 2014 Facility (“Term Loan 3”) with a maturity date of October 30, 2022; • extended the maturity date of the first $50 million unsecured term loan under the 2014 Facility (“Term Loan 1”) to October 30, 2020 from February 17, 2017; and • extended the maturity date of the second $50 million unsecured term loan under the 2014 Facility (“Term Loan 2” and together with Term Loan 1 and Term Loan 3, the “Term Loans”) to January 29, 2021 from November 7, 2019. Borrowings under the Facility accrue interest (at the Operating Partnership's option) at a Base Rate or an Adjusted LIBOR plus an applicable margin based upon our then existing leverage. The applicable margin for Adjusted LIBOR borrowings ranges from 1.40% to 1.95% for the Revolver and 1.35% to 2.25% for the Term Loans. Base Rate means the higher of: (a) the Agent's prime commercial rate, (b) the sum of (i) the average rate quoted by the Agent by two or more federal funds brokers selected by the Agent for sale to the Agent at face value of federal funds in the secondary market in an amount equal or comparable to the principal amount for which such rate is being determined, plus (ii) 1/2 of 1.00% , and (c) the LIBOR rate for such day plus 1.00% . Adjusted LIBOR means LIBOR divided by one minus the Eurodollar Reserve Percentage. The Eurodollar Reserve Percentage means the maximum reserve percentage at which reserves are imposed by the Board of Governors of the Federal Reserve System on eurocurrency liabilities. We serve as the guarantor for funds borrowed by the Operating Partnership under the Facility. The Facility contains customary terms and conditions, including, without limitation, affirmative and negative covenants such as information reporting requirements, maximum secured indebtedness to total asset value, minimum EBITDA (earnings before interest, taxes, depreciation, amortization or extraordinary items) to fixed charges, and maintenance of a minimum net worth. The Facility also contains customary events of default with customary notice and cure, including, without limitation, nonpayment, breach of covenant, misrepresentation of representations and warranties in a material respect, cross-default to other major indebtedness, change of control, bankruptcy and loss of REIT tax status. The Facility includes an accordion feature that will allow the Operating Partnership to increase the borrowing capacity to $700 million , upon the satisfaction of certain conditions. As of December 31, 2015 , $327.6 million was drawn on the Facility and our unused borrowing capacity was $172.4 million , assuming that we use the proceeds of the Facility to acquire properties, or to repay debt on properties, that are eligible to be included in the unsecured borrowing base. Proceeds from the Facility were used for general corporate purposes, including property acquisitions, debt repayment, capital expenditures, the expansion, redevelopment and re-tenanting of properties in our portfolio and working capital. We intend to use the additional proceeds from the Facility for general corporate purposes, including property acquisitions, debt repayment, capital expenditure, the expansion, redevelopment and re-tenanting of properties in our portfolio and working capital. On September 3, 2014, we, operating through our subsidiary, Whitestone Pecos Ranch, LLC, a Delaware limited liability company, entered into a $14.0 million promissory note (the “Pecos Note”), with a fixed interest rate of 4.34% payable to Wells Fargo Bank, National Association and a maturity date of September 11, 2024. Proceeds from the Pecos Note were used to repay a portion of the Facility. On August 26, 2014, we, operating through our subsidiary, Whitestone Shops at Starwood, LLC, a Delaware limited liability company, entered into a $14.3 million promissory note (the “Starwood Note”), with a fixed interest rate of 4.34% payable to Wells Fargo Bank, National Association and a maturity date of September 11, 2024. Proceeds from the Starwood Note were used to repay a portion of the Facility. On December 23, 2013, we, operating through our subsidiary, Whitestone Woodlake Plaza, LLC, a Delaware limited liability company, entered into a $6.5 million promissory note (the “Woodlake Note”), with a fixed interest rate of 3.80% payable to Western Reserve Life Assurance Company of Ohio and a maturity of January 1, 2019. Proceeds from the Woodlake Note were used to repay a portion of the Facility. On December 16, 2013, we, operating through our subsidiary, Whitestone Anthem Marketplace, LLC, a Delaware limited liability company, entered into a $15.1 million promissory note (the “Anthem Note”), with a fixed interest rate of 4.99% payable to Citigroup Global Markets Realty Corporation and a maturity of January 6, 2024. Proceeds from the Anthem Note were used to repay a portion of the Facility. On November 26, 2013, we, operating through our subsidiary, Whitestone Industrial-Office LLC, a Texas limited liability company (“Whitestone Industrial”), entered into a $37.0 million promissory note (the “Industrial Note”), with a fixed interest rate of 3.76% payable to Jackson Life National Insurance Company and a maturity of December 1, 2020. Proceeds from the Industrial Note were used to repay our existing $26.9 million floating rate loan that matured on December 1, 2013. The remainder of the proceeds were used to pay off approximately $10.1 million in fixed rate indebtedness maturing in 2014. The Industrial Note is a non-recourse loan secured by Whitestone Industrial's nine properties, including Corporate Park Woodland, Holly Hall Industrial Park, Interstate 10 Warehouse, Main Park, Plaza Park, Westbelt Plaza, Westgate Service Center, Corporate Park West and Dairy Ashford. On September 26, 2013, we, operating through our subsidiary, Whitestone Uptown Tower, LLC, a Delaware limited liability company (“Whitestone Uptown”), entered into a $16.5 million promissory note (the “Uptown Note”), with a fixed interest rate of 4.97% payable to Morgan Stanley Capital Holdings LLC and a maturity of September 26, 2023. Proceeds from the Uptown Note were used to repay a portion of the Facility. On September 24, 2013, we, operating through our subsidiary, Whitestone Terravita Marketplace, LLC, a Delaware limited liability company (“Whitestone Terravita”), entered into a $10.5 million promissory note (the “Terravita Note”), with an applicable interest rate of LIBOR plus 2.00% , payable to Bank of America, N.A. and a maturity of September 24, 2018. Proceeds from the Terravita Note were used to repay a portion of the Facility. The Terravita Note is a non-recourse loan secured by Whitestone Terravita's Terravita Marketplace property, located in Scottsdale, Arizona, and a limited guarantee by the Operating Partnership. In conjunction with the Terravita Note, a deed of trust was executed by Whitestone Terravita that contains customary terms and conditions, including representations, warranties and covenants by Whitestone Terravita that include, without limitation, assignment of rents, warranty of title, insurance requirements and maintenance, use and management of the property. On June 19, 2013, we assumed a $11.1 million promissory note as part of our acquisition of Mercado at Scottsdale Ranch (see Note 4). The 5.87% fixed interest rate note matures on August 16, 2016. In conjunction with our acquisition, we received an interest rate supplement from the seller in the amount of $932,000 , which we will accrete into expense over the life of the note. As a result of the supplement, the imputed interest rate is 3.052% , which we consider to be an appropriate market rate. On May 31, 2013, we, operating through our subsidiary, Whitestone Pinnacle of Scottsdale, LLC, a Delaware limited liability company (“Whitestone Pinnacle”), refinanced our $14.1 million promissory note, with an applicable interest rate of 5.695% and a maturity of June 1, 2013, with a $20.2 million promissory note (the “Pinnacle Note”) payable to Cantor Commercial Real Estate Lending, L.P. with an applicable interest rate of 4.2805% , and a maturity of June 6, 2023. The Pinnacle Note is a non-recourse loan secured by Whitestone Pinnacle's Pinnacle of Scottsdale property, located in Scottsdale, Arizona, and a limited guarantee by Whitestone. In conjunction with the Pinnacle Note, a deed of trust was executed by Whitestone Pinnacle that contains customary terms and conditions, including representations, warranties and covenants by Whitestone Pinnacle that include, without limitation, assignment of rents, warranty of title, insurance requirements and maintenance, use and management of the property. The Pinnacle Note contains events of default that include, among other things, non-payment and default under the deed of trust. Upon occurrence of an event of default, the lender is entitled to accelerate all obligations of Whitestone Pinnacle. The lender will also be entitled to receive the entire unpaid balance and unpaid interest at a default rate. Certain other of our loans are subject to customary covenants. As of December 31, 2015 , we were in compliance with all loan covenants. Annual maturities of notes payable as of December 31, 2015 are due during the following years: Amount Due Year (in thousands) 2016 $ 13,269 2017 10,213 2018 12,136 2019 135,649 2020 82,827 Thereafter 245,653 Total $ 499,747 Contractual Obligations As of December 31, 2015 , we had the following contractual obligations: Payment due by period (in thousands) Contractual Obligations Total Less than 1 1 - 3 years 3 - 5 years More than Long-Term Debt - Principal $ 499,747 $ 13,269 $ 22,349 $ 218,476 $ 245,653 Long-Term Debt - Fixed Interest 80,589 13,030 24,753 23,002 19,804 Long-Term Debt - Variable Interest (1) 8,036 2,096 4,193 1,747 — Unsecured credit facility - Unused commitment fee (2) 1,322 345 690 287 — Operating Lease Obligations 186 74 88 21 3 Total $ 589,880 $ 28,814 $ 52,073 $ 243,533 $ 265,460 (1) As of December 31, 2015 , we had one loan totaling $127.6 million which bore interest at a floating rate. The variable interest rate payments are based on LIBOR plus 1.35% to LIBOR plus 1.95% , which reflects our new interest rates under the Facility. The information in the table above reflects our projected interest rate obligations for the floating rate payments based on one-month LIBOR as of December 31, 2015 , of 0.24% . (2) The unused commitment fees on the Facility, payable quarterly, are based on the average daily unused amount of the Facility. The fees are 0.20% for facility usage greater than 50% or 0.25% for facility usage less than 50% . The information in the table above reflects our projected obligations for the Facility based on our December 31, 2015 balance of $327.6 million .

Derivatives and Hedging Activit

Derivatives and Hedging Activities (Notes)	12 Months Ended
	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives and Hedging Activities	DERIVATIVES AND HEDGING ACTIVITIES The fair value of our interest rate swaps is as follows (in thousands): Balance Sheet Location Estimated Fair Value Interest rate swaps: December 31, 2015 Accounts payable and accrued expenses $ 617 December 31, 2014 Accounts payable and accrued expenses $ 1,016 On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 3 under the Facility at 1.73% . In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $35.0 million of the swap to U.S. Bank, National Association, and $15.0 million of the swap to SunTrust Bank. See Note 8 for additional information regarding the Facility. The swap began on November 30, 2015 and will mature on October 28, 2022. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 1 under the Facility at 1.75% . In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $3.8 million of the swap to Regions Bank, $6.5 million of the swap to U.S. Bank, National Association, $14.0 million of the swap to Wells Fargo Bank, National Association, $14.0 million of the swap to Bank of America, N.A., and $5.0 million of the swap to SunTrust Bank. See Note 8 for additional information regarding the Facility. The swap will begin on February 3, 2017 and will mature on October 30, 2020. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. On November 19, 2015, we, through our Operating Partnership, entered into an interest rate swap with Bank of Montreal that fixed the LIBOR portion of Term Loan 2 under the Facility at 1.50% . In the fourth quarter of 2015, pursuant to the terms of the agreement governing the interest rate swap, Bank of Montreal assigned $3.8 million of the swap to Regions Bank, $6.5 million of the swap to U.S. Bank, National Association, $14.0 million of the swap to Wells Fargo Bank, National Association, $14.0 million of the swap to Bank of America, N.A., and $5.0 million of the swap to SunTrust Bank. See Note 8 for additional information regarding the Facility. The swap began on December 7, 2015 and will mature on January 29, 2021. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. On November 1, 2013, we, through our subsidiary, Whitestone Terravita, entered into an interest rate swap with Bank of America, N.A. that fixed the LIBOR portion of our Terravita Note at 1.55% . See Note 8 for additional information regarding the Terravita Note. The swap began on November 1, 2013 and will mature on September 24, 2018. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. On March 8, 2013, we, through our Operating Partnership, entered into an interest rate swap with U.S. Bank, National Association that fixed the LIBOR portion of Term Loan 1 under the Facility at 0.84% . See Note 8 for additional information regarding the Facility. The swap began on January 7, 2014 and will mature on February 3, 2017. We have designated the interest rate swap as a cash flow hedge with the effective portion of the changes in fair value to be recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. The ineffective portion of the change in fair value, if any, will be recognized directly in earnings. A summary of our interest rate swap activity is as follows (in thousands): Amount Recognized as Comprehensive Income (Loss) Location of Loss Recognized in Earnings Amount of Loss Recognized in Earnings (1) Year ended December 31, 2015 $ 46 Interest expense $ (991 ) Year ended December 31, 2014 $ (136 ) Interest expense $ (838 ) Year ended December 31, 2013 $ 173 Interest expense $ (363 ) (1) Amounts represent the effective portions of our interest rate swaps. We did not recognize any ineffective portion of our interest rate swaps in earnings for the years ended December 31, 2015 , 2014 and 2013 .

Earnings Per Share

Earnings Per Share	12 Months Ended
	Dec. 31, 2015
Earnings Per Share [Abstract]
EARNINGS PER SHARE	EARNINGS PER SHARE Basic earnings per share for our common shareholders is calculated by dividing income from continuing operations excluding amounts attributable to unvested restricted shares and the net income attributable to non-controlling interests by our weighted-average common shares outstanding during the period. Diluted earnings per share is computed by dividing the net income attributable to common shareholders excluding amounts attributable to unvested restricted shares and the net income attributable to non-controlling interests by the weighted-average number of common shares including any dilutive unvested restricted shares. Certain of our performance-based restricted common shares are considered participating securities, which require the use of the two-class method for the computation of basic and diluted earnings per share. During the years ended December 31, 2015 , 2014 and 2013 , 429,809 , 471,310 and 595,782 OP units, respectively, were excluded from the calculation of diluted earnings per share because their effect would be anti-dilutive. For the years ended December 31, 2015 , 2014 and 2013 , distributions of $564,000 , $272,000 and $177,000 , respectively, were made to the holders of certain restricted common shares, $36,000 , $71,000 and $127,000 of which were charged against earnings, respectively. See Note 14 for information related to restricted common shares under the 2008 Plan. Year Ended December 31, (in thousands, except per share data) 2015 2014 2013 Numerator: Income from continuing operations $ 6,854 $ 5,349 $ 3,621 Less: Net income attributable to noncontrolling interests (116 ) (111 ) (115 ) Distributions paid on unvested restricted shares (528 ) (201 ) (50 ) Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares 6,210 5,037 3,456 Income from discontinued operations 11 2,397 298 Less: Net income attributable to noncontrolling interests — (49 ) (10 ) Income from discontinued operations attributable to Whitestone REIT 11 2,348 288 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares $ 6,221 $ 7,385 $ 3,744 Denominator: Weighted average number of common shares - basic 24,631 22,278 18,027 Effect of dilutive securities: Unvested restricted shares 1,052 515 246 Weighted average number of common shares - dilutive 25,683 22,793 18,273 Earnings Per Share: Basic: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.25 $ 0.23 $ 0.19 Income from discontinued operations attributable to Whitestone REIT 0.00 0.10 0.02 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares $ 0.25 $ 0.33 $ 0.21 Diluted: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.24 $ 0.22 $ 0.19 Income from discontinued operations attributable to Whitestone REIT 0.00 0.10 0.01 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares $ 0.24 $ 0.32 $ 0.20

Federal Income Taxes

Federal Income Taxes	12 Months Ended
	Dec. 31, 2015
Income Tax Disclosure [Abstract]
FEDERAL INCOME TAXES	FEDERAL INCOME TAXES Federal income taxes are not provided because we intend to and believe we qualify as a REIT under the provisions of the Code and because we have distributed and intend to continue to distribute all of our taxable income to our shareholders. Our shareholders include their proportionate taxable income in their individual tax returns. As a REIT, we must distribute at least 90% of our real estate investment trust taxable income to our shareholders and meet certain income sources and investment restriction requirements. In addition, REITs are subject to a number of organizational and operational requirements. If we fail to qualify as a REIT in any taxable year, we will be subject to federal income tax (including any applicable alternative minimum tax) on our taxable income at regular corporate tax rates. Taxable income differs from net income for financial reporting purposes principally due to differences in the timing of recognition of interest, real estate taxes, depreciation and rental revenue. For federal income tax purposes, the cash distributions to shareholders are characterized as follows for the years ended December 31: 2015 2014 2013 Ordinary income (unaudited) 60.9 % 53.3 % 38.5 % Return of capital (unaudited) 37.7 % 21.3 % 61.3 % Capital gain distributions (unaudited) 1.4 % 25.4 % 0.2 % Total 100.0 % 100.0 % 100.0 %

Related Party Transactions

Related Party Transactions	12 Months Ended
	Dec. 31, 2015
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	RELATED PARTY TRANSACTIONS Executive Relocation. On July 9, 2010, upon the unanimous recommendation of our Compensation Committee, we entered into an arrangement with Mr. Mastandrea with respect to the disposition of his residence in Cleveland, Ohio. Mr. Mastandrea listed the residence in the second half of 2007 and has had to pay for security, taxes, insurance and maintenance expenses related to the residence. Under the relocation arrangement as amended on August 9, 2012, we agreed to pay Mr. Mastandrea the shortfall, if any, in the amount realized from the sale of the Cleveland residence, below $2,450,000 , plus tax on the amount of such payment at the maximum federal income tax rate. The amount of the shortfall was to be paid in a combination of cash and common shares at the market value of the shares, as determined upon agreement between Mr. Mastandrea and the Compensation Committee. In addition, the arrangement required us to continue paying the previously agreed upon cost of housing expenses for the Mastandrea family in Houston, Texas for a period of one year following the date of sale of the residence. We had previously agreed to reimburse Mr. Mastandrea for out-of-pocket moving costs including packing, temporary storage, transportation and moving supplies. On December 21, 2012, Mr. Mastandrea sold the residence to a third party for a price of $1,125,000 . Pursuant to the relocation arrangement, we paid cash of $1,325,000 , representing the shortfall of the amount realized from the sale of the property, and $852,000 , which represented moving expenses and closing costs incurred by Mr. Mastandrea and federal taxes. No common shares were issued. The total expense incurred by us of $2,177,000 is shown separately in our consolidated financial statements. In addition, we issued a note receivable for $975,000 to the buyer, with an interest rate of 4.5% and a maturity of December 31, 2013. On December 5, 2013, the note was renewed through June 30, 2014 and bears interest at a rate of 5.2% during the renewal period. We are currently working with the buyer to renew the note receivable. As a result of this transaction, we also recorded a related party receivable of $652,000 , which represents the federal income tax withholding not deducted from our payment to Mr. Mastandrea. Subsequent to December 31, 2012, we received the $652,000 and paid it to the federal government on behalf of Mr. Mastandrea.

Equity

Equity	12 Months Ended
	Dec. 31, 2015
Stockholders' Equity Note [Abstract]
EQUITY	EQUITY Under our declaration of trust, as amended, we have authority to issue up to 400 million common shares of beneficial interest, $0.001 par value per share, and up to 50 million preferred shares of beneficial interest, $0.001 par value per share. Equity Offerings On June 26, 2015, we completed the sale of 3,750,000 common shares, $0.001 par value per share, at a purchase price of $13.3386 per share. Total net proceeds from the offering, after deducting offering expenses, were approximately $49.7 million , which were contributed to the Operating Partnership in exchange for OP units. The Operating Partnership used the net proceeds from this offering to repay a portion of the Facility and for general corporate purposes. On October 8, 2013, we completed the sale of 4,000,000 common shares, $0.001 par value per share, and on October 28, 2013, upon the underwriters' exercise of the over-allotment option, we completed the sale of 600,000 additional common shares, at a price to the public of $13.54 per share. Total net proceeds from the offering, including the over-allotment shares, and after deducting the underwriting discount and offering expenses, were approximately $59.7 million , which we contributed to the Operating Partnership in exchange for OP units. The Operating Partnership used the net proceeds from this offering for general corporate purposes, which included acquisitions of additional properties, the repayment of outstanding indebtedness, capital expenditures (including tenant improvements), the expansion, redevelopment and/or re-tenanting of properties in our portfolio, working capital and other general purposes. On June 19, 2013, we entered into five equity distribution agreements for an at-the-market distribution program. On August 14, 2013, we entered into a sixth equity distribution agreement on substantially similar terms as the existing equity distribution agreements and amended the existing equity distribution agreements in order to add an additional placement agent (together, the “2013 equity distribution agreements”). Pursuant to the terms and conditions of the 2013 equity distribution agreements, we could issue and sell up to an aggregate of $50 million of our common shares. Actual sales depended on a variety of factors to be determined by us from time to time, including (among others) market conditions, the trading price of our common shares, capital needs and our determinations of the appropriate sources of funding for us, and were made in transactions that will be deemed to be “at-the-market” offerings as defined in Rule 415 under the Securities Act of 1933, as amended (the “Securities Act”). We had no obligation to sell any of our common shares, and could at any time suspend offers under the 2013 equity distribution agreements or terminate the 2013 equity distribution agreements. For the year ended December 31, 2015 , we sold 456,090 common shares under the 2013 equity distribution agreements, with net proceeds to us of approximately $6.4 million . In connection with such sales, we paid compensation of $0.1 million to the sales agents. For the year ended December 31, 2014 , we sold 282,239 common shares under the 2013 equity distribution agreements, with net proceeds to us of approximately $4.2 million . In connection with such sales, we paid compensation of $0.2 million to the sales agents. On June 4, 2015, we entered into nine amended and restated equity distribution agreements (the “2015 equity distribution agreements”). Pursuant to the terms and conditions of the 2015 equity distribution agreements, we can issue and sell up to an aggregate of $50 million of our common shares. Actual sales will depend on a variety of factors to be determined by us from time to time, including (among others) market conditions, the trading price of our common shares, capital needs and our determinations of the appropriate sources of funding for us, and will be made in transactions that will be deemed to be “at-the-market” offerings as defined in Rule 415 under the Securities Act. We have no obligation to sell any of our common shares, and can at any time suspend offers under the 2015 equity distribution agreements or terminate the 2015 equity distribution agreements. We have not sold any common shares under the 2015 equity distribution agreements. Operating Partnership Units Substantially all of our business is conducted through the Operating Partnership. We are the sole general partner of the Operating Partnership. As of December 31, 2015 , we owned a 98.2% interest in the Operating Partnership. Limited partners in the Operating Partnership holding OP units have the right to redeem their OP units for cash or, at our option, common shares at a ratio of one OP unit for one common share. Distributions to OP unit holders are paid at the same rate per unit as distributions per share to Whitestone common shares. As of December 31, 2015 and 2014 , there were 27,367,704 and 22,926,599 OP units outstanding, respectively. We owned 26,870,671 and 22,528,207 OP units as of December 31, 2015 and 2014 , respectively. The balance of the OP units is owned by third parties, including certain trustees. Our weighted-average share ownership in the Operating Partnership was approximately 98.3% , 97.9% and 96.8% for the years ended December 31, 2015 , 2014 and 2013 , respectively. For the year ended December 31, 2015 and 2014 , 21,359 and 163,700 OP units, respectively, were redeemed for an equal number of common shares. Distributions The following table reflects the total distributions we have paid (including the total amount paid and the amount paid per share) in each indicated quarter (in thousands, except per share data): Common Shares Noncontrolling OP Unit Holders Total Quarter Paid Distribution Per Common Share Total Amount Paid Distribution Per OP Unit Total Amount Paid Total Amount Paid 2015 Fourth Quarter $ 0.2850 $ 7,666 $ 0.2850 $ 143 $ 7,809 Third Quarter 0.2850 7,664 0.2850 122 7,786 Second Quarter 0.2850 6,601 0.2850 111 6,712 First Quarter 0.2850 6,526 0.2850 113 6,639 Total $ 1.1400 $ 28,457 $ 1.1400 $ 489 $ 28,946 2014 Fourth Quarter $ 0.2850 $ 6,484 $ 0.2850 $ 114 $ 6,598 Third Quarter 0.2850 6,457 0.2850 126 6,583 Second Quarter 0.2850 6,367 0.2850 152 6,519 First Quarter 0.2850 6,231 0.2850 158 6,389 Total $ 1.1400 $ 25,539 $ 1.1400 $ 550 $ 26,089

Incentive Share Plan

Incentive Share Plan	12 Months Ended
	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
INCENTIVE SHARE PLAN	INCENTIVE SHARE PLAN On July 29, 2008, our shareholders approved the 2008 Long-Term Equity Incentive Ownership Plan (the “Plan”). On December 22, 2010, our board of trustees amended the Plan to allow for the issuance of common shares pursuant to the Plan. The Plan, as amended, provides that awards may be made with respect to common shares of Whitestone or OP units. The maximum aggregate number of common shares that may be issued under the Plan is increased upon each issuance of common shares by Whitestone so that at any time the maximum number of shares that may be issued under the Plan shall equal 12.5% of the aggregate number of common shares of Whitestone and OP units issued and outstanding (other than shares and/or units issued to or held by Whitestone). The Compensation Committee of our board of trustees administers the Plan, except with respect to awards to non-employee trustees, for which the Plan is administered by our board of trustees. The Compensation Committee is authorized to grant share options, including both incentive share options and non-qualified share options, as well as share appreciation rights, either with or without a related option. The Compensation Committee is also authorized to grant restricted common shares, restricted common share units, performance awards and other share-based awards. On April 2, 2014, the Compensation Committee approved the modification of the vesting provisions with respect to awards of an aggregate of 633,704 restricted common shares and restricted common share units for 51 of our employees. The modified time-based shares will vest annually in three equal installments. The modified performance-based restricted common shares and restricted common share units were modified to include performance-based vesting based on achievement of certain absolute financial goals, as well as one to two years of time-based vesting post achievement of financial goals. Continued employment is required through the applicable vesting date. Additionally, 2,049,116 restricted performance-based common share units were granted with the same vesting conditions as the modified performance-based grants described above. If the performance targets are not met prior to December 31, 2018, any unvested restricted common shares and restricted common units will be forfeited. A summary of the share-based incentive plan activity as of and for the year ended December 31, 2015 is as follows: Shares Weighted-Average Grant Date Fair Value (1) Non-vested at January 1, 2015 2,411,068 $ 14.45 Granted 327,122 13.49 Modified to new agreements — — Modified from existing agreements — — Vested (348,786 ) 14.25 Forfeited (101,144 ) 14.45 Non-vested at December 31, 2015 2,288,260 $ 14.34 Available for grant at December 31, 2015 957,084 (1) The fair value of the shares granted were determined based on observable market transactions occurring near the date of the grants. A summary of our nonvested and vested shares activity for the years ended December 31, 2015 , 2014 and 2013 is presented below: Shares Granted Shares Vested Year Ended Non-Vested Shares Issued Weighted-Average Grant-Date Fair Value Vested Shares Total Vest-Date Fair Value (in thousands) Year Ended December 31, 2015 327,122 $ 13.49 (348,786 ) $ 4,969 Year Ended December 31, 2014 2,058,930 $ 14.40 (133,774 ) $ 1,721 Year Ended December 31, 2013 328,005 $ 15.43 (15,270 ) $ 224 Total compensation recognized in earnings for share-based payments for the years ended December 31, 2015 , 2014 and 2013 was $7.3 million , $4.7 million and $2.3 million , respectively. Based on our current financial projections, we expect approximately 82% of the unvested awards to vest over the next 39 months. As of December 31, 2015 , there was approximately $9.9 million in unrecognized compensation cost related to outstanding non-vested performance-based shares, which are expected to vest over a period of 39 months, and approximately $3.4 million in unrecognized compensation cost related to outstanding non-vested time-based shares, which are expected to be recognized over a period of approximately 15 months beginning on January 1, 2016. We expect to record approximately $13.3 million in share-based compensation subsequent to the year ended December 31, 2015 . The unrecognized share-based compensation cost is expected to vest over a weighted average period of 25 months. The dilutive impact of the performance-based shares will be included in the denominator of the earnings per share calculation beginning in the period that the performance conditions are expected to be met.

Grants to Trustees

Grants to Trustees	12 Months Ended
	Dec. 31, 2015
Grants to Trustees [Abstract]
GRANTS TO TRUSTEES	GRANTS TO TRUSTEES On December 21, 2015, each of our four independent trustees and one trustee emeritus was granted 1,500 common shares, which vested immediately. The 7,500 common shares granted to our trustees had a grant date fair value of $12.10 per share. On December 21, 2015, one of our independent trustees elected to receive a total of 992 common shares with a grant date fair value of $12.10 in lieu of cash for board fees. The fair value of the shares granted during the year ended December 31, 2015 was determined using quoted prices available on the date of grant. On October 24, 2014, each of our four independent trustees and one trustee emeritus was granted 1,500 common shares, which vested immediately. The 7,500 common shares granted to our trustees had a grant date fair value of $14.53 per share. On December 9, 2014, two of our independent trustees elected to receive a total of 2,314 common shares with a grant date fair value of $14.69 in lieu of cash for board fees. The fair value of the shares granted were determined using quoted prices available on the date of grant.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIES We are a participant in various legal proceedings and claims that arise in the ordinary course of our business. These matters are generally covered by insurance. While the resolution of these matters cannot be predicted with certainty, we believe that the final outcome of these matters will not have a material effect on our financial position, results of operations, or cash flows.

Segment Information

Segment Information	12 Months Ended
	Dec. 31, 2015
Segment Reporting [Abstract]
SEGMENT INFORMATION	SEGMENT INFORMATION Our management historically has not differentiated by property types and therefore does not present segment information.

Select Quarterly Financial Data

Select Quarterly Financial Data (unaudited)	12 Months Ended
	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
SELECT QUARTERLY FINANCIAL DATA (unaudited)	SELECT QUARTERLY FINANCIAL DATA (unaudited) The following is a summary of our unaudited quarterly financial information for the years ended December 31, 2015 and 2014 (in thousands, except per share data): First Second Third Fourth Quarter Quarter Quarter Quarter 2015 Revenues from continuing operations $ 21,252 $ 21,970 $ 24,599 $ 25,595 Income from continuing operations 1,629 1,593 1,551 2,081 Income (loss) from discontinued operations (8 ) (33 ) 44 8 Net income attributable to Whitestone REIT 1,594 1,534 1,570 2,051 Basic Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.07 $ 0.06 $ 0.05 $ 0.07 Income from discontinued operations attributable to Whitestone REIT 0.00 0.00 0.00 0.00 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.07 $ 0.06 $ 0.05 $ 0.07 Diluted Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.06 $ 0.06 $ 0.05 $ 0.07 Income from discontinued operations attributable to Whitestone REIT 0.00 0.00 0.00 0.00 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.06 $ 0.06 $ 0.05 $ 0.07 2014 Revenues $ 17,376 $ 17,261 $ 18,540 $ 19,205 Income from continuing operations $ 2,312 $ 1,135 $ 1,012 $ 890 Income from discontinued operations $ 120 $ 145 $ 109 $ 2,023 Net income attributable to Whitestone REIT $ 2,372 $ 1,252 $ 1,100 $ 2,862 Basic Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.10 $ 0.05 $ 0.04 $ 0.04 Income from discontinued operations attributable to Whitestone REIT 0.01 0.00 0.01 0.08 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.11 $ 0.05 $ 0.05 $ 0.12 Diluted Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.10 $ 0.05 $ 0.04 $ 0.03 Income from discontinued operations attributable to Whitestone REIT 0.01 0.00 0.01 0.09 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.11 $ 0.05 $ 0.05 $ 0.12 (1) The sum of individual quarterly basic and diluted earnings per share amounts may not agree with the year-to-date basic and diluted earning per share amounts as the result of each period's computation being based on the weighted average number of common shares outstanding during that period.

Subsequent Events

Subsequent Events	12 Months Ended
	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS On February 17, 2016, we completed the sale of approximately 0.5 acres of our 4.45 acre Pinnacle Phase II development parcel, located in Scottsdale, Arizona, for $1.1 million .

Schedule II - Valuation and Qua

Schedule II - Valuation and Qualifying Accounts	12 Months Ended
	Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]
Schedule II - Valuation and Qualifying Accounts	(in thousands) Balance at Charged to Deductions Balance at Beginning Costs and from End of Description of Year Expense Reserves Year Allowance for doubtful accounts: Year ended December 31, 2015 $ 4,964 $ 1,974 $ (291 ) $ 6,647 Year ended December 31, 2014 3,613 1,602 (251 ) 4,964 Year ended December 31, 2013 2,226 1,638 (251 ) 3,613

Schedule III - Real Estate and

Schedule III - Real Estate and Accumulated Depreciation	12 Months Ended
	Dec. 31, 2015
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]
Schedule III - Real Estate and Accumulated Depreciation	Costs Capitalized Subsequent Gross Amount at which Carried at Initial Cost (in thousands) to Acquisition (in thousands) End of Period (in thousands) (1) (2) Building and Improvements Carrying Building and Property Name Land Improvements (net) Costs Land Improvements Total Retail Communities: Ahwatukee Plaza $ 5,126 $ 4,086 $ 322 $ — $ 5,126 $ 4,408 $ 9,534 Anthem Marketplace 4,790 17,973 160 — 4,790 18,133 22,923 Bellnott Square 1,154 4,638 411 — 1,154 5,049 6,203 Bissonnet Beltway 415 1,947 428 — 415 2,375 2,790 Centre South 481 1,596 590 — 481 2,186 2,667 The Citadel 472 1,777 2,595 — 472 4,372 4,844 City View Village 2,044 4,149 (12 ) — 2,044 4,137 6,181 Corporate Park Woodland II 2,758 — 5 — 2,758 5 2,763 Desert Canyon 1,976 1,704 629 — 1,976 2,333 4,309 Fountain Hills Plaza 5,113 15,340 64 — 5,113 15,404 20,517 Fountain Square 5,573 9,828 1,630 — 5,573 11,458 17,031 Fulton Ranch Towne Center 7,604 22,612 93 — 7,604 22,705 30,309 Gilbert Tuscany Village 1,767 3,233 1,441 — 1,767 4,674 6,441 Heritage Trace Plaza 6,209 13,821 30 — 6,209 13,851 20,060 Holly Knight 320 1,293 165 — 320 1,458 1,778 Headquarters Village 7,171 18,439 230 — 7,171 18,669 25,840 Keller Place 5,977 7,577 (79 ) — 5,977 7,498 13,475 Kempwood Plaza 733 1,798 764 — 733 2,562 3,295 Lion Square 1,546 4,289 3,202 — 1,546 7,491 9,037 The Marketplace at Central 1,305 5,324 1,067 — 1,305 6,391 7,696 Market Street at DC Ranch 9,710 26,779 1,687 — 9,710 28,466 38,176 Mercado at Scottsdale Ranch 8,728 12,560 495 — 8,728 13,055 21,783 Paradise Plaza 6,155 10,221 859 — 6,155 11,080 17,235 Parkside Village North 3,877 8,629 62 — 3,877 8,691 12,568 Parkside Village South 5,562 27,154 19 — 5,562 27,173 32,735 Pinnacle of Scottsdale 6,648 22,466 1,267 — 6,648 23,733 30,381 Providence 918 3,675 669 — 918 4,344 5,262 Quinlan Crossing 9,561 28,683 1 — 9,561 28,684 38,245 Shaver 184 633 (41 ) — 184 592 776 Shops at Pecos Ranch 3,781 15,123 560 — 3,781 15,683 19,464 Shops at Starwood 4,093 11,487 154 — 4,093 11,641 15,734 The Shops at Williams Trace 5,920 14,297 66 — 5,920 14,363 20,283 South Richey 778 2,584 1,929 — 778 4,513 5,291 Spoerlein Commons 2,340 7,296 530 — 2,340 7,826 10,166 The Strand at Huebner Oaks 5,805 12,335 82 — 5,805 12,417 18,222 SugarPark Plaza 1,781 7,125 512 — 1,781 7,637 9,418 Sunridge 276 1,186 331 — 276 1,517 1,793 Sunset at Pinnacle Peak 3,610 2,734 432 — 3,610 3,166 6,776 Terravita Marketplace 7,171 9,392 573 — 7,171 9,965 17,136 Torrey Square 1,981 2,971 1,208 — 1,981 4,179 6,160 Town Park 850 2,911 176 — 850 3,087 3,937 Village Square at Dana Park 10,877 40,252 2,306 — 10,877 42,558 53,435 Webster Pointe 720 1,150 197 — 720 1,347 2,067 Westchase 423 1,751 2,763 — 423 4,514 4,937 Williams Trace Plaza 6,800 14,003 30 — 6,800 14,033 20,833 Windsor Park 2,621 10,482 7,473 — 2,621 17,955 20,576 $ 173,704 $ 439,303 $ 38,075 $ — $ 173,704 $ 477,378 $ 651,082 Costs Capitalized Subsequent Gross Amount at which Carried at Initial Cost (in thousands) to Acquisition (in thousands) End of Period (in thousands) (1) (2) Building and Improvements Carrying Building and Property Name Land Improvements (net) Costs Land Improvements Total Office/Flex Communities: Brookhill $ 186 $ 788 $ 375 $ — $ 186 $ 1,163 $ 1,349 Corporate Park Northwest 1,534 6,306 2,032 — 1,534 8,338 9,872 Corporate Park West 2,555 10,267 980 — 2,555 11,247 13,802 Corporate Park Woodland 652 5,330 653 — 652 5,983 6,635 Dairy Ashford 226 1,211 80 — 226 1,291 1,517 Holly Hall Industrial Park 608 2,516 396 — 608 2,912 3,520 Interstate 10 Warehouse 208 3,700 374 — 208 4,074 4,282 Main Park 1,328 2,721 580 — 1,328 3,301 4,629 Plaza Park 902 3,294 1,059 — 902 4,353 5,255 Westbelt Plaza 568 2,165 735 — 568 2,900 3,468 Westgate Service Center 672 2,776 693 — 672 3,469 4,141 $ 9,439 $ 41,074 $ 7,957 $ — $ 9,439 $ 49,031 $ 58,470 Office Communities: 9101 LBJ Freeway $ 1,597 $ 6,078 $ 1,300 $ — $ 1,597 $ 7,378 $ 8,975 Pima Norte 1,086 7,162 2,067 517 1,086 9,746 10,832 Uptown Tower 1,621 15,551 3,928 — 1,621 19,479 21,100 Woodlake Plaza 1,107 4,426 1,543 — 1,107 5,969 7,076 $ 5,411 $ 33,217 $ 8,838 $ 517 $ 5,411 $ 42,572 $ 47,983 Total Operating Portfolio $ 188,554 $ 513,594 $ 54,870 $ 517 $ 188,554 $ 568,981 $ 757,535 Davenport Village $ 11,367 $ 34,101 $ 20 $ — $ 11,367 $ 34,121 $ 45,488 Gilbert Tuscany Village Hard Corner 856 794 — — 856 794 1,650 The Promenade at Fulton Ranch 5,198 13,367 124 — 5,198 13,491 18,689 Total - Development Portfolio (3) $ 17,421 $ 48,262 $ 144 $ — $ 17,421 $ 48,406 $ 65,827 Anthem Marketplace $ 204 $ — $ — $ — $ 204 $ — $ 204 Dana Park Development 4,000 — 7 — 4,000 7 4,007 Fountain Hills 277 — — — 277 — 277 Market Street at DC Ranch 704 — — — 704 — 704 Pinnacle Phase II 1,000 — 338 399 1,000 737 1,737 Shops at Starwood Phase III 1,818 — 3,034 395 1,818 3,429 5,247 Total - Property Held for Development $ 8,003 $ — $ 3,379 $ 794 $ 8,003 $ 4,173 $ 12,176 Grand Totals $ 213,978 $ 561,856 $ 58,393 $ 1,311 $ 213,978 $ 621,560 $ 835,538 Accumulated Depreciation Date of Date Depreciation Property Name Encumbrances (in thousands) Construction Acquired Life Retail Communities: Ahwatukee Plaza $ 549 8/16/2011 5-39 years Anthem Marketplace (4) 1,192 6/28/2013 5-39 years Bellnott Square 1,817 1/1/2002 5-39 years Bissonnet Beltway 1,572 1/1/1999 5-39 years Centre South 1,071 1/1/2000 5-39 years The Citadel 948 9/28/2010 5-39 years City View Village 80 3/31/2015 5-39 years Corporate Park Woodland II 5 10/17/2013 5-39 years Desert Canyon 385 4/13/2011 5-39 years Fountain Hills Plaza 889 10/7/2013 5-39 years Fountain Square 1,001 9/21/2012 5-39 years Fulton Ranch Towne Center 676 11/5/2014 5-39 years Gilbert Tuscany Village 892 6/28/2011 5-39 years Heritage Trace Plaza 539 7/1/2014 5-39 years Holly Knight 974 8/1/2000 5-39 years Headquarters Village (5) 1,353 3/28/2013 5-39 years Keller Place 66 8/26/2015 5-39 years Kempwood Plaza 1,201 2/2/1999 5-39 years Lion Square 3,186 1/1/2000 5-39 years The Marketplace at Central 911 11/1/2010 5-39 years Market Street at DC Ranch 1,670 12/5/2013 5-39 years Mercado at Scottsdale Ranch (6) 871 6/19/2013 5-39 years Paradise Plaza (7) 995 8/8/2012 5-39 years Parkside Village North 111 7/2/2015 5-39 years Parkside Village South 348 7/2/2015 5-39 years Pinnacle of Scottsdale (8) 2,559 12/22/2011 5-39 years Providence 1,839 3/30/2001 5-39 years Quinlan Crossing 245 8/26/2015 5-39 years Shaver 295 12/17/1999 5-39 years Shops at Pecos Ranch (9) 1,256 12/28/2012 5-39 years Shops at Starwood (10) 1,237 12/28/2011 5-39 years The Shops at Williams Trace 367 12/24/2014 5-39 years South Richey 1,803 8/25/1999 5-39 years Spoerlein Commons 1,503 1/16/2009 5-39 years The Strand at Huebner Oaks 397 9/19/2014 5-39 years SugarPark Plaza 2,284 9/8/2004 5-39 years Sunridge 622 1/1/2002 5-39 years Sunset at Pinnacle Peak 312 5/29/2012 5-39 years Terravita Marketplace (11) 1,212 8/8/2011 5-39 years Torrey Square 2,048 1/1/2000 5-39 years Town Park 1,704 1/1/1999 5-39 years Village Square at Dana Park (12) 3,535 9/21/2012 5-39 years Webster Pointe 686 1/1/2000 5-39 years Westchase 1,529 1/1/2002 5-39 years Williams Trace Plaza 359 12/24/2014 5-39 years Windsor Park 5,789 12/16/2003 5-39 years $ 54,883 Accumulated Depreciation Date of Date Depreciation Property Name Encumbrances (in thousands) Construction Acquired Life Office/Flex Communities: Brookhill $ 454 1/1/2002 5-39 years Corporate Park Northwest 2,907 1/1/2002 5-39 years Corporate Park West (13) 4,358 1/1/2002 5-39 years Corporate Park Woodland (13) 3,008 11/1/2000 5-39 years Dairy Ashford (13) 647 1/1/1999 5-39 years Holly Hall Industrial Park (13) 1,151 1/1/2002 5-39 years Interstate 10 Warehouse (13) 2,581 1/1/1999 5-39 years Main Park (13) 1,583 1/1/1999 5-39 years Plaza Park (13) 2,192 1/1/2000 5-39 years Westbelt Plaza (13) 1,678 1/1/1999 5-39 years Westgate Service Center (13) 1,386 1/1/2002 5-39 years $ 21,945 Office Communities: 9101 LBJ Freeway $ 2,205 8/10/2005 5-39 years Pima Norte 1,842 10/4/2007 5-39 years Uptown Tower (14) 6,007 11/22/2005 5-39 years Woodlake Plaza (15) 1,776 3/14/2005 5-39 years $ 11,830 Total Operating Portfolio $ 88,658 Davenport Village $ 510 5/27/2015 5-39 years Gilbert Tuscany Village Hard Corner 10 8/28/2015 5-39 years The Promenade at Fulton Ranch 402 11/5/2014 5-39 years Total - Development Portfolio (3) $ 922 Anthem Marketplace $ — 6/28/2013 Land - Not Depreciated Dana Park Development — 9/21/2012 Land - Not Depreciated Fountain Hills — 10/7/2013 Land - Not Depreciated Market Street at DC Ranch — 12/5/2013 Land - Not Depreciated Pinnacle Phase II — 12/28/2011 Land - Not Depreciated Shops at Starwood Phase III — 12/28/2011 Land - Not Depreciated Total - Property Held For Development $ — Grand Total $ 89,580 (1) Reconciliations of total real estate carrying value for the three years ended December 31, follows: ( in thousands) 2015 2014 2013 Balance at beginning of period $ 673,655 $ 537,872 $ 401,325 Additions during the period: Acquisitions 150,331 132,734 130,731 Improvements 12,653 9,330 6,164 162,984 142,064 136,895 Deductions - cost of real estate sold or retired (1,101 ) (6,281 ) (348 ) Balance at close of period $ 835,538 $ 673,655 $ 537,872 (2) The aggregate cost of real estate (in thousands) for federal income tax purposes is $807,349 . (3) Includes (i) new acquisitions, through the earlier of attainment of 90% occupancy or 18 months of ownership, and (ii) properties that are undergoing significant redevelopment or re-tenanting. (4) This property secures a $15.1 million mortgage note. (5) This property secures a $19.0 million mortgage note. (6) This property secures a $11.1 million mortgage note. (7) This property secures a $9.2 million mortgage note. (8) This property secures a $14.1 million mortgage note. (9) This property secures a $14.0 million mortgage note. (10) This property secures a $14.3 million mortgage note. (11) This property secures a $10.5 million mortgage note. (12) This property secures a $2.6 million mortgage note. (13) These properties secure a $37.0 million mortgage note. (14) This property secures a $16.5 million mortgage note. (15) This property secures a $6.5 million mortgage note.

Summary of Significant Accoun29

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Basis of Consolidation	Basis of Consolidation. We are the sole general partner of the Operating Partnership and possess full legal control and authority over the operations of the Operating Partnership. As of December 31, 2015 , 2014 and 2013 , we owned a majority of the partnership interests in the Operating Partnership. Consequently, the accompanying consolidated financial statements include the accounts of the Operating Partnership. All significant inter-company balances have been eliminated. Noncontrolling interest in the accompanying consolidated financial statements represents the share of equity and earnings of the Operating Partnership allocable to holders of partnership interests other than us. Net income or loss is allocated to noncontrolling interests based on the weighted-average percentage ownership of the Operating Partnership during the year. Issuance of additional common shares of beneficial interest in Whitestone (the “common shares”) and units of limited partnership interest in the Operating Partnership that are convertible into cash or, at our option, common shares on a one -for- one basis (the “OP units”) changes the percentage of ownership interests of both the noncontrolling interests and Whitestone.
Basis of Accounting	Basis of Accounting. Our financial records are maintained on the accrual basis of accounting whereby revenues are recognized when earned and expenses are recorded when incurred.
Use of Estimates	Use of Estimates. The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates that we use include the estimated fair values of properties acquired, the estimated useful lives for depreciable and amortizable assets and costs, the estimated allowance for doubtful accounts, the estimated fair value of interest rate swaps and the estimates supporting our impairment analysis for the carrying values of our real estate assets. Actual results could differ from those estimates.
Reclassifications	Reclassifications. We have reclassified certain prior year amounts in the accompanying consolidated financial statements in order to be consistent with the current fiscal year presentation. These reclassifications had no effect on net income, total assets, total liabilities or equity. During 2014, we reclassified certain properties classified as discontinued operations to conform to the current year presentation. See Note 4 for additional discussion.
Restricted Cash	Restricted Cash. We classify all cash pledged as collateral to secure certain obligations and all cash whose use is limited as restricted cash. During 2015, pursuant to the terms of our $15.1 million 4.99% Note, due January 6, 2024 (See Note 8), which is collateralized by our Anthem Marketplace property, we were required by the lenders thereunder to establish a cash management account controlled by the lenders to collect all amounts generated by our Anthem Marketplace property in order to collateralize such promissory note. As a result, these amounts are reported in the consolidated statements of cash flows under cash flows from financing activities.
Share-Based Compensation	Share-Based Compensation. From time to time, we award nonvested restricted common share awards or restricted common share unit awards, which may be converted into common shares, to executive officers and employees under our 2008 Long-Term Equity Incentive Ownership Plan (the “2008 Plan”). The vast majority of the awarded shares and units vest when certain performance conditions are met. We recognize compensation expense when achievement of the performance conditions is probable based on management’s most recent estimates using the fair value of the shares as of the grant date.
Noncontrolling Interests	Noncontrolling Interests. Noncontrolling interests are the portion of equity in a subsidiary not attributable to a parent. The ownership interests not held by the parent are considered noncontrolling interests. Accordingly, we have reported noncontrolling interests in equity on the consolidated balance sheets but separate from Whitestone’s equity. On the consolidated statements of operations and comprehensive income, subsidiaries are reported at the consolidated amount, including both the amount attributable to Whitestone and noncontrolling interests. Consolidated statements of changes in equity are included for both quarterly and annual financial statements, including beginning balances, activity for the period and ending balances for shareholders’ equity, noncontrolling interests and total equity.
Revenue Recognition	Revenue Recognition. All leases on our properties are classified as operating leases, and the related rental income is recognized on a straight-line basis over the terms of the related leases. Differences between rental income earned and amounts due per the respective lease agreements are capitalized or charged, as applicable, to accrued rents and accounts receivable. Percentage rents are recognized as rental income when the thresholds upon which they are based have been met. Recoveries from tenants for taxes, insurance, and other operating expenses are recognized as revenues in the period the corresponding costs are incurred. We have established an allowance for doubtful accounts against the portion of tenant accounts receivable which is estimated to be uncollectible.
Cash and Cash Equivalents	Cash and Cash Equivalents. We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Cash and cash equivalents as of December 31, 2015 and 2014 consisted of demand deposits at commercial banks and brokerage accounts.
Marketable Securities	Marketable Securities. We classify our existing marketable equity securities as available-for-sale in accordance with the Financial Accounting Standards Board's (“FASB”) Investments-Debt and Equity Securities guidance. These securities are carried at fair value with unrealized gains and losses reported in equity as a component of accumulated other comprehensive income or loss. The fair value of the marketable securities is determined using Level 1 inputs under FASB Accounting Standards Codification (“ASC”) 820, “ Fair Value Measurements and Disclosures.” Level 1 inputs represent quoted prices available in an active market for identical investments as of the reporting date. Gains and losses on securities sold are based on the specific identification method, and are reported as a component of interest, dividend and other investment income.
Development Properties	Development Properties. Land, buildings and improvements are recorded at cost. Expenditures related to the development of real estate are carried at cost which includes capitalized carrying charges and development costs. Carrying charges (interest and real estate taxes) are capitalized as part of construction in progress. The capitalization of such costs ceases when the property, or any completed portion, becomes available for occupancy.
Acquired Properties and Acquired Lease Intangibles	Acquired Properties and Acquired Lease Intangibles. We allocate the purchase price of the acquired properties to land, building and improvements, identifiable intangible assets and to the acquired liabilities based on their respective fair values at the time of purchase. Identifiable intangibles include amounts allocated to acquired out-of-market leases, the value of in-place leases and customer relationship value, if any. We determine fair value based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information. Estimates of future cash flows are based on a number of factors including the historical operating results, known trends and specific market and economic conditions that may affect the property. Factors considered by management in our analysis of determining the as-if-vacant property value include an estimate of carrying costs during the expected lease-up periods considering market conditions, and costs to execute similar leases. In estimating carrying costs, management includes real estate taxes, insurance and estimates of lost rentals at market rates during the expected lease-up periods, tenant demand and other economic conditions. Management also estimates costs to execute similar leases including leasing commissions, tenant improvements, legal and other related expenses. Intangibles related to out-of-market leases and in-place lease value are recorded as acquired lease intangibles and are amortized as an adjustment to rental revenue or amortization expense, as appropriate, over the remaining terms of the underlying leases. Premiums or discounts on acquired out-of-market debt are amortized to interest expense over the remaining term of such debt.
Depreciation	Depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of 5 to 39 years for improvements and buildings, respectively. Tenant improvements are depreciated using the straight-line method over the life of the improvement or remaining term of the lease, whichever is shorter.
Impairment	Impairment. We review our properties for impairment at least annually or whenever events or changes in circumstances indicate that the carrying amount of the assets, including accrued rental income, may not be recoverable through operations. We determine whether an impairment in value has occurred by comparing the estimated future cash flows (undiscounted and without interest charges), including the estimated residual value of the property, with the carrying cost of the property. If impairment is indicated, a loss will be recorded for the amount by which the carrying value of the property exceeds its fair value. Management has determined that there has been no impairment in the carrying value of our real estate assets as of December 31, 2015 .
Accrued Rents and Accounts Receivable	Accrued Rents and Accounts Receivable. Included in accrued rent and accounts receivable are base rents, tenant reimbursements and receivables attributable to recording rents on a straight-line basis. An allowance for the uncollectible portion of accrued rents and accounts receivable is determined based upon customer credit-worthiness (including expected recovery of our claim with respect to any tenants in bankruptcy), historical bad debt levels, and current economic trends. As of December 31, 2015 and 2014 , we had an allowance for uncollectible accounts of $6.6 million and $5.0 million , respectively. As of December 31, 2015 , 2014 and 2013 , we recorded bad debt expense in the amount of $2.0 million , $1.6 million and $1.6 million , respectively, related to tenant receivables that we specifically identified as potentially uncollectible based on our assessment of each tenant’s credit-worthiness. Bad debt expenses and any related recoveries are included in property operation and maintenance expense.
Unamortized Lease Commissions and Loan Costs	Unamortized Lease Commissions and Loan Costs. Leasing commissions are amortized using the straight-line method over the terms of the related lease agreements. Loan costs are amortized on the straight-line method over the terms of the loans, which approximates the interest method. Costs allocated to in-place leases whose terms differ from market terms related to acquired properties are amortized over the remaining life of the respective leases.
Prepaids and Other Assets, Policy	Prepaids and Other Assets. Prepaids and other assets include escrows established pursuant to certain mortgage financing arrangements for real estate taxes and insurance and acquisition deposits which include earnest money deposits on future acquisitions.
Federal Income and State Taxes	Federal Income Taxes. We elected to be taxed as a REIT under the Code beginning with our taxable year ended December 31, 1999. As a REIT, we generally are not subject to federal income tax on income that we distribute to our shareholders. If we fail to qualify as a REIT in any taxable year, we will be subject to federal income tax on our taxable income at regular corporate rates. We believe that we are organized and operate in such a manner as to qualify to be taxed as a REIT, and we intend to operate so as to remain qualified as a REIT for federal income tax purposes. State Taxes. We are subject to the Texas Margin Tax, which is computed by applying the applicable tax rate ( 1% for us) to the profit margin, which, generally, will be determined for us as total revenue less a 30% standard deduction. Although the Texas Margin Tax is not considered an income tax, FASB ASC 740, “Income Taxes” (“ASC 740”) applies to the Texas Margin Tax.
Fair Value of Financial Instruments	Fair Value of Financial Instruments. Our financial instruments consist primarily of cash, cash equivalents, accounts receivable, accounts and notes payable and investments in marketable securities. The carrying value of cash, cash equivalents, accounts receivable and accounts payable are representative of their respective fair values due to their short-term nature. The fair value of our long-term debt, consisting of fixed rate secured notes, variable rate secured notes and an unsecured revolving credit facility aggregate to approximately $498.8 million and $394.9 million as compared to the book value of approximately $499.7 million and $394.1 million as of December 31, 2015 and 2014 , respectively. The fair value of our long-term debt is estimated on a Level 2 basis (as provided by ASC 820, “Fair Value Measurements and Disclosures ” (“ASC 820”)), using a discounted cash flow analysis based on the borrowing rates currently available to us for loans with similar terms and maturities, discounting the future contractual interest and principal payments. Disclosure about fair value of financial instruments is based on pertinent information available to management as of December 31, 2015 and 2014 . Although management is not aware of any factors that would significantly affect the fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since December 31, 2015 and current estimates of fair value may differ significantly from the amounts presented herein.
Derivative Instruments and Hedging Activities	Derivative Instruments and Hedging Activities. We occasionally utilize derivative financial instruments, principally interest rate swaps, to manage our exposure to fluctuations in interest rates. We have established policies and procedures for risk assessment, and the approval, reporting and monitoring of derivative financial instruments. We recognize our interest rate swaps as cash flow hedges with the effective portion of the changes in fair value recorded in comprehensive income (loss) and subsequently reclassified into earnings in the period that the hedged transaction affects earnings. Any ineffective portion of a cash flow hedges' change in fair value is recorded immediately into earnings. Our cash flow hedges are determined using Level 2 inputs under ASC 820. Level 2 inputs represent quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active; and model-derived valuations whose inputs are observable. As of December 31, 2015 , we consider our cash flow hedges to be highly effective.
Concentration of Risk	Concentration of Risk. Substantially all of our revenues are obtained from office, warehouse and retail locations in the Austin, Chicago, Dallas-Fort Worth, Houston, Phoenix and San Antonio metropolitan areas. We maintain cash accounts in major U.S. financial institutions. The terms of these deposits are on demand to minimize risk. The balances of these accounts sometimes exceed the federally insured limits, although no losses have been incurred in connection with these deposits.
Recent accounting pronouncements	Recent accounting pronouncements. In April 2015, the FASB issued guidance requiring that debt issuance costs related to a recognized liability be presented on the balance sheet as a direct reduction from the carrying amount of that debt liability, consistent with the presentation of debt discounts. In August 2015, the FASB issued guidance to clarify that debt issuance costs related to line-of-credit agreements may still be presented as an asset and subsequently amortized ratably over the term of such arrangement, regardless of whether there are any outstanding borrowings on the line-of-credit. This guidance is effective for financial statements issued for fiscal years beginning after December 15, 2015 and is to be applied retrospectively. We expect this guidance to reduce total assets and total notes payable on our consolidated balance sheets for amounts classified as deferred financing costs specific to debt issuance costs. We do not expect this guidance to have any other effect on our consolidated financial statements.

Marketable Securities (Tables)

Marketable Securities (Tables)	12 Months Ended
	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Schedule of Available-for-Sale Securities	Available-for-sale securities consist of the following (in thousands): December 31, 2015 Amortized Cost Gains in Accumulated Other Comprehensive Income Losses in Accumulated Other Comprehensive Income Estimated Fair Value Real estate sector common stock $ 654 $ — $ (219 ) $ 435 Total available-for-sale securities $ 654 $ — $ (219 ) $ 435 December 31, 2014 Amortized Cost Gains in Accumulated Other Comprehensive Income Losses in Accumulated Other Comprehensive Income Estimated Fair Value Real estate sector common stock $ 1,106 $ — $ (133 ) $ 973 Total available-for-sale securities $ 1,106 $ — $ (133 ) $ 973

Real Estate (Tables)

Real Estate (Tables)	12 Months Ended
	Dec. 31, 2015
Real Estate [Abstract]
Schedule of pro forma results of operations	The pro forma unaudited results summarized below reflect our consolidated pro forma results of operations as if our acquisitions for the years ended December 31, 2015 , 2014 and 2013 were acquired on January 1, 2013 and includes no other material adjustments: INCOME STATEMENT DATA Year Ended December 31, 2015 2014 2013 Operating revenue $ 100,860 $ 97,353 $ 96,333 Net income $ 8,773 $ 15,005 $ 14,517
Schedule of operating results for properties classified as discontinued operations	The operating results for properties classified as discontinued operations consists of the following (in thousands): Year Ended December 31, 2015 2014 2013 Property revenues $ 51 $ 1,626 $ 1,653 Property expenses 41 734 832 Depreciation and amortization — 314 329 Interest expense — 58 175 Provision for income taxes — 10 12 Loss (gain) on sale or disposal of assets (1 ) — 7 Operating income from discontinued operations 11 510 298 Gain on sale of property from discontinued operations — 1,887 — Income from discontinued operations $ 11 $ 2,397 $ 298

Accrued Rents and Accounts Re32

Accrued Rents and Accounts Receivable, Net (Tables)	12 Months Ended
	Dec. 31, 2015
Receivables [Abstract]
Schedule of Accrued Rent and Accounts Receivable, Net	Accrued rents and accounts receivable, net, consists of amounts accrued, billed and due from tenants, allowance for doubtful accounts and other receivables as follows (in thousands): December 31, 2015 2014 Tenant receivables $ 10,494 $ 7,998 Accrued rents and other recoveries 11,619 8,800 Allowance for doubtful accounts (6,647 ) (4,964 ) Totals $ 15,466 $ 11,834

Unamortized Lease Commissions33

Unamortized Lease Commissions and Loan Costs (Tables)	12 Months Ended
	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Schedule of Unamortized Leasing Comissions and Loan Costs	Costs which have been deferred consist of the following (in thousands): December 31, 2015 2014 Leasing commissions $ 7,226 $ 5,936 Deferred financing cost 6,490 5,785 Total cost 13,716 11,721 Less: leasing commissions accumulated amortization (2,960 ) (2,373 ) Less: deferred financing cost accumulated amortization (786 ) (469 ) Total cost, net of accumulated amortization $ 9,970 $ 8,879
Schedule of Expected Future Amortization of Deferred Costs	A summary of expected future amortization of deferred costs is as follows (in thousands): Years Ended December 31, Leasing Commissions Deferred Financing Costs Total 2016 $ 1,220 $ 1,253 $ 2,473 2017 1,001 1,239 2,240 2018 728 1,126 1,854 2019 524 612 1,136 2020 379 568 947 Thereafter 414 906 1,320 Total $ 4,266 $ 5,704 $ 9,970

Future Minimum Lease Income (Ta

Future Minimum Lease Income (Tables)	12 Months Ended
	Dec. 31, 2015
Leases [Abstract]
Schedule of Future Minimum Rental Payments Receivable for Operating Leases	A summary of minimum future rents to be received (exclusive of renewals, tenant reimbursements, and contingent rents) under noncancelable operating leases in existence as of December 31, 2015 is as follows (in thousands): Years Ended December 31, Minimum Future Rents 2016 $ 71,537 2017 61,511 2018 48,913 2019 37,588 2020 27,078 Thereafter 88,948 Total $ 335,575

Debt (Tables)

Debt (Tables)	12 Months Ended
	Dec. 31, 2015
Debt Disclosure [Abstract]
Schedule of Debt	Mortgages and other notes payable consist of the following (in thousands): December 31, Description 2015 2014 Fixed rate notes $10.5 million, LIBOR plus 2.00% Note, due September 24, 2018 (1) $ 10,220 $ 10,460 $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020 (2) 50,000 50,000 $50.0 million, 1.50% plus 1.35% to 1.90% Note, due January 29, 2021 (3) 50,000 50,000 $100.0 million, 1.73% plus 1.65% to 2.25% Note, due October 30, 2022 (4) 100,000 — $37.0 million 3.76% Note, due December 1, 2020 35,146 36,090 $6.5 million 3.80% Note, due January 1, 2019 6,190 6,355 $19.0 million 4.15% Note, due December 1, 2024 19,000 19,000 $20.2 million 4.28% Note, due June 6, 2023 20,040 20,200 $14.0 million 4.34% Note, due September 11, 2024 14,000 14,000 $14.3 million 4.34% Note, due September 11, 2024 14,300 14,300 $16.5 million 4.97% Note, due September 26, 2023 16,450 16,450 $15.1 million 4.99% Note, due January 6, 2024 15,060 15,060 $9.2 million, Prime Rate less 2.00% Note, due December 29, 2017 (5) 7,886 7,888 $2.6 million 5.46% Note, due October 1, 2023 2,550 2,583 $11.1 million 5.87% Note, due August 6, 2016 11,305 11,607 Floating rate notes Unsecured line of credit, LIBOR plus 1.40% to 1.95%, due October 30, 2019 127,600 120,100 $ 499,747 $ 394,093 (1) Promissory note includes an interest rate swap that fixed the interest rate at 3.55% for the duration of the term. (2) Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 1 (as defined below) at 0.84% through February 3, 2017 and 1.75% beginning February 3, 2017 through October 30, 2020. (3) Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 2 (as defined below) at 1.50% . (4) Promissory note includes an interest rate swap that fixed the LIBOR portion of Term Loan 3 (as defined below) at 1.73% . (5) Promissory note includes an interest rate swap that fixed the interest rate at 5.72% for the duration of the term. As part of our acquisition of Paradise Plaza in August 2012, we recorded a discount on the note of $1.3 million , which amortizes into interest expense over the life of the loan and results in an imputed interest rate of 4.13% .
Schedule of Maturities of Debt	Annual maturities of notes payable as of December 31, 2015 are due during the following years: Amount Due Year (in thousands) 2016 $ 13,269 2017 10,213 2018 12,136 2019 135,649 2020 82,827 Thereafter 245,653 Total $ 499,747
Schedule of Contractual Obligations	As of December 31, 2015 , we had the following contractual obligations: Payment due by period (in thousands) Contractual Obligations Total Less than 1 1 - 3 years 3 - 5 years More than Long-Term Debt - Principal $ 499,747 $ 13,269 $ 22,349 $ 218,476 $ 245,653 Long-Term Debt - Fixed Interest 80,589 13,030 24,753 23,002 19,804 Long-Term Debt - Variable Interest (1) 8,036 2,096 4,193 1,747 — Unsecured credit facility - Unused commitment fee (2) 1,322 345 690 287 — Operating Lease Obligations 186 74 88 21 3 Total $ 589,880 $ 28,814 $ 52,073 $ 243,533 $ 265,460

Derivatives and Hedging Activ36

Derivatives and Hedging Activities (Tables)	12 Months Ended
	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of activity and fair value of interest rate swaps	The fair value of our interest rate swaps is as follows (in thousands): Balance Sheet Location Estimated Fair Value Interest rate swaps: December 31, 2015 Accounts payable and accrued expenses $ 617 December 31, 2014 Accounts payable and accrued expenses $ 1,016 A summary of our interest rate swap activity is as follows (in thousands): Amount Recognized as Comprehensive Income (Loss) Location of Loss Recognized in Earnings Amount of Loss Recognized in Earnings (1) Year ended December 31, 2015 $ 46 Interest expense $ (991 ) Year ended December 31, 2014 $ (136 ) Interest expense $ (838 ) Year ended December 31, 2013 $ 173 Interest expense $ (363 )

Earnings Per Share (Tables)

Earnings Per Share (Tables)	12 Months Ended
	Dec. 31, 2015
Earnings Per Share [Abstract]
Schedule of Earnings Per Share	Year Ended December 31, (in thousands, except per share data) 2015 2014 2013 Numerator: Income from continuing operations $ 6,854 $ 5,349 $ 3,621 Less: Net income attributable to noncontrolling interests (116 ) (111 ) (115 ) Distributions paid on unvested restricted shares (528 ) (201 ) (50 ) Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares 6,210 5,037 3,456 Income from discontinued operations 11 2,397 298 Less: Net income attributable to noncontrolling interests — (49 ) (10 ) Income from discontinued operations attributable to Whitestone REIT 11 2,348 288 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares $ 6,221 $ 7,385 $ 3,744 Denominator: Weighted average number of common shares - basic 24,631 22,278 18,027 Effect of dilutive securities: Unvested restricted shares 1,052 515 246 Weighted average number of common shares - dilutive 25,683 22,793 18,273 Earnings Per Share: Basic: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.25 $ 0.23 $ 0.19 Income from discontinued operations attributable to Whitestone REIT 0.00 0.10 0.02 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares $ 0.25 $ 0.33 $ 0.21 Diluted: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.24 $ 0.22 $ 0.19 Income from discontinued operations attributable to Whitestone REIT 0.00 0.10 0.01 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares $ 0.24 $ 0.32 $ 0.20

Federal Income Taxes (Tables)

Federal Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Schedule of Characterization of Cash Dividends Distrubuted for Income Tax Purpose	For federal income tax purposes, the cash distributions to shareholders are characterized as follows for the years ended December 31: 2015 2014 2013 Ordinary income (unaudited) 60.9 % 53.3 % 38.5 % Return of capital (unaudited) 37.7 % 21.3 % 61.3 % Capital gain distributions (unaudited) 1.4 % 25.4 % 0.2 % Total 100.0 % 100.0 % 100.0 %

Equity (Tables)

Equity (Tables)	12 Months Ended
	Dec. 31, 2015
Stockholders' Equity Note [Abstract]
Schedule of Distributions	The following table reflects the total distributions we have paid (including the total amount paid and the amount paid per share) in each indicated quarter (in thousands, except per share data): Common Shares Noncontrolling OP Unit Holders Total Quarter Paid Distribution Per Common Share Total Amount Paid Distribution Per OP Unit Total Amount Paid Total Amount Paid 2015 Fourth Quarter $ 0.2850 $ 7,666 $ 0.2850 $ 143 $ 7,809 Third Quarter 0.2850 7,664 0.2850 122 7,786 Second Quarter 0.2850 6,601 0.2850 111 6,712 First Quarter 0.2850 6,526 0.2850 113 6,639 Total $ 1.1400 $ 28,457 $ 1.1400 $ 489 $ 28,946 2014 Fourth Quarter $ 0.2850 $ 6,484 $ 0.2850 $ 114 $ 6,598 Third Quarter 0.2850 6,457 0.2850 126 6,583 Second Quarter 0.2850 6,367 0.2850 152 6,519 First Quarter 0.2850 6,231 0.2850 158 6,389 Total $ 1.1400 $ 25,539 $ 1.1400 $ 550 $ 26,089

Incentive Share Plan (Tables)

Incentive Share Plan (Tables)	12 Months Ended
	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-Based Incentive Plan Activity	A summary of the share-based incentive plan activity as of and for the year ended December 31, 2015 is as follows: Shares Weighted-Average Grant Date Fair Value (1) Non-vested at January 1, 2015 2,411,068 $ 14.45 Granted 327,122 13.49 Modified to new agreements — — Modified from existing agreements — — Vested (348,786 ) 14.25 Forfeited (101,144 ) 14.45 Non-vested at December 31, 2015 2,288,260 $ 14.34 Available for grant at December 31, 2015 957,084 (1) The fair value of the shares granted were determined based on observable market transactions occurring near the date of the grants.
Schedule of Nonvested and Vested Shares Activity	A summary of our nonvested and vested shares activity for the years ended December 31, 2015 , 2014 and 2013 is presented below: Shares Granted Shares Vested Year Ended Non-Vested Shares Issued Weighted-Average Grant-Date Fair Value Vested Shares Total Vest-Date Fair Value (in thousands) Year Ended December 31, 2015 327,122 $ 13.49 (348,786 ) $ 4,969 Year Ended December 31, 2014 2,058,930 $ 14.40 (133,774 ) $ 1,721 Year Ended December 31, 2013 328,005 $ 15.43 (15,270 ) $ 224

Select Quarterly Financial Da41

Select Quarterly Financial Data (unaudited) (Tables)	12 Months Ended
	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Schedule of unaudited quarterly financial information	The following is a summary of our unaudited quarterly financial information for the years ended December 31, 2015 and 2014 (in thousands, except per share data): First Second Third Fourth Quarter Quarter Quarter Quarter 2015 Revenues from continuing operations $ 21,252 $ 21,970 $ 24,599 $ 25,595 Income from continuing operations 1,629 1,593 1,551 2,081 Income (loss) from discontinued operations (8 ) (33 ) 44 8 Net income attributable to Whitestone REIT 1,594 1,534 1,570 2,051 Basic Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.07 $ 0.06 $ 0.05 $ 0.07 Income from discontinued operations attributable to Whitestone REIT 0.00 0.00 0.00 0.00 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.07 $ 0.06 $ 0.05 $ 0.07 Diluted Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.06 $ 0.06 $ 0.05 $ 0.07 Income from discontinued operations attributable to Whitestone REIT 0.00 0.00 0.00 0.00 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.06 $ 0.06 $ 0.05 $ 0.07 2014 Revenues $ 17,376 $ 17,261 $ 18,540 $ 19,205 Income from continuing operations $ 2,312 $ 1,135 $ 1,012 $ 890 Income from discontinued operations $ 120 $ 145 $ 109 $ 2,023 Net income attributable to Whitestone REIT $ 2,372 $ 1,252 $ 1,100 $ 2,862 Basic Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.10 $ 0.05 $ 0.04 $ 0.04 Income from discontinued operations attributable to Whitestone REIT 0.01 0.00 0.01 0.08 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.11 $ 0.05 $ 0.05 $ 0.12 Diluted Earnings per share: Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares $ 0.10 $ 0.05 $ 0.04 $ 0.03 Income from discontinued operations attributable to Whitestone REIT 0.01 0.00 0.01 0.09 Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (1) $ 0.11 $ 0.05 $ 0.05 $ 0.12 (1) The sum of individual quarterly basic and diluted earnings per share amounts may not agree with the year-to-date basic and diluted earning per share amounts as the result of each period's computation being based on the weighted average number of common shares outstanding during that period.

Description of Business and N42

Description of Business and Nature of Operations (Details)	1 Months Ended
	Jul. 31, 2004shares	Dec. 31, 2015CommercialProperties	Dec. 31, 2014CommercialProperties	Dec. 31, 2013CommercialProperties
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reorganization and conversion, number of common shares (in shares) | shares	1.42857
Wholly Owned Properties [Member]
Real Estate Properties [Line Items]
Number of properties | CommercialProperties		70	63	60

Summary of Significant Accoun43

Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 7,337	$ 4,631	$ 2,284
Conversion ratio for class A common stock to OP unit (in shares)	1
Interest expense capitalized	$ 106	93	114
Real estate taxes capitalized	69	58	100
Allowance for doubtful accounts	(6,647)	(4,964)
Provision for doubtful accounts	1,974	1,602	1,638
Fair value of long-term debt	498,800	394,900
Book value of long-term debt	499,700	394,100
2008 Long-Term Equity Incentive Ownership Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 7,300	$ 4,700	$ 2,300

Summary of Significant Accoun44

Summary of Significant Accounting Policies - Depreciation (Details) - Building and Building Improvements [Member]	12 Months Ended
	Dec. 31, 2015
Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	39 years

Summary of Significant Accoun45

Summary of Significant Accounting Policies - Prepaids and Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 05, 2013	May. 31, 2013
Related Party Transaction [Line Items]
Stated interest rate			5.695%
Four Point Five Percent Due December 2013 [Member] | Executive Officer [Member]
Related Party Transaction [Line Items]
Note receivable, related party	$ 975
Stated interest rate	4.50%	5.20%

Summary of Significant Accoun46

Summary of Significant Accounting Policies - Taxes (Details) - TEXAS - State and Local Jurisdiction [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Examination [Line Items]
Applicable tax rate used to determine state margin tax	1.00%
Standard deduction rate used to determine state margin tax	30.00%
Margin tax provision recognized	$ 0.4	$ 0.3	$ 0.3

Summary of Significant Accoun47

Summary of Significant Accounting Policies - Restricted Cash (Details) - USD ($) $ in Millions	Dec. 31, 2015	May. 31, 2013
Debt Instrument [Line Items]
Face amount of debt		$ 14.1
Stated interest rate		5.695%
Anthem Marketplace Note [Member]
Debt Instrument [Line Items]
Face amount of debt	$ 15.1
Stated interest rate	4.99%

Marketable Securities (Details)

Marketable Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 654	$ 1,106
Gains in Accumulated Other Comprehensive Income	0	0
Losses in Accumulated Other Comprehensive Income	(219)	(133)
Estimated Fair Value	435	973
Proceeds from sales of marketable securities	496	0	$ 747
Gross realized gains on sale of marketable securities	44		44
Gross realized losses on sale of marketable securities	0		$ (3)
Real estate sector common stock
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	654	1,106
Gains in Accumulated Other Comprehensive Income	0	0
Losses in Accumulated Other Comprehensive Income	(219)	(133)
Estimated Fair Value	$ 435	$ 973

Real Estate (Details)

Real Estate (Details) $ in Thousands	Aug. 29, 2015USD ($)ft²	Aug. 28, 2015USD ($)ft²	Aug. 26, 2015USD ($)ft²aparcelshares	Jul. 02, 2015USD ($)ft²	May. 27, 2015USD ($)ft²	Mar. 31, 2015USD ($)ft²	Dec. 24, 2014USD ($)ft²	Dec. 19, 2014USD ($)a	Nov. 06, 2014USD ($)	Sep. 19, 2014USD ($)ft²	Jul. 01, 2014USD ($)ft²	Dec. 05, 2013USD ($)ft²	Oct. 17, 2013USD ($)ft²a	Oct. 07, 2013USD ($)ft²	Jun. 28, 2013USD ($)ft²a	Jun. 19, 2013USD ($)ft²	Mar. 28, 2013USD ($)ft²	Dec. 31, 2015USD ($)ft²CommercialPropertiesshares	Sep. 30, 2015USD ($)	Jun. 30, 2015USD ($)	Mar. 31, 2015USD ($)ft²	Dec. 31, 2014USD ($)propertyCommercialProperties	Sep. 30, 2014USD ($)	Jun. 30, 2014USD ($)	Mar. 31, 2014USD ($)	Dec. 31, 2015USD ($)ft²CommercialPropertiesshares	Dec. 31, 2014USD ($)propertyCommercialProperties	Dec. 31, 2013USD ($)CommercialProperties	Nov. 06, 2015ft²	May. 31, 2013USD ($)
Real Estate Properties [Line Items]
Payments to acquire property																										$ 147,950	$ 129,439	$ 119,102
Face amount of debt																														$ 14,100
Conversion ratio for class A common stock to OP unit (in shares) | shares																		1								1
INCOME STATEMENT DATA
Operating revenue																										$ 100,860	97,353	96,333
Net income																										8,773	15,005	14,517
Acquisition-related costs																										1,700	1,300	1,000
Gain on property dispositions																										(185)	(111)	(49)
Operating results for properties classified as discontinued operations
Operating income from discontinued operations																										11	510	298
Gain on sale of property from discontinued operations																										0	1,887	0
Income from discontinued operations																		$ 8	$ 44	$ (33)	$ (8)	$ 2,023	$ 109	$ 145	$ 120	11	$ 2,397	298
Gilbert Tuscany Village [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²		14,603
Payments to acquire property		$ 1,700
Revenue since date of acqusition included in results of operations																										0
Income (loss) since date of acqusition included in results of operations																										(32)
Keller Place [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²			93,541
Payments to acquire property			$ 12,000
Property percentage occupied			92.00%
Revenue since date of acqusition included in results of operations																										471
Income (loss) since date of acqusition included in results of operations																										$ 237
Number of undeveloped parcels | parcel			2
Area of land (in acres) | a			3.12
Issuance of OP units (in shares) | shares			120,000
Conversion ratio for class A common stock to OP unit (in shares) | shares																		1								1
Quinlan Crossing [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²			109,892
Payments to acquire property			$ 37,500
Property percentage occupied			95.00%
Revenue since date of acqusition included in results of operations																										$ 1,283
Income (loss) since date of acqusition included in results of operations																										555
Parkside Village North [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²				27,045
Payments to acquire property				$ 12,500
Property percentage occupied				100.00%
Revenue since date of acqusition included in results of operations																										596
Income (loss) since date of acqusition included in results of operations																										289
Parkside Village South [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²				90,101
Payments to acquire property				$ 32,500
Property percentage occupied				100.00%
Revenue since date of acqusition included in results of operations																										1,738
Income (loss) since date of acqusition included in results of operations																										844
Davenport Village [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²					128,934
Payments to acquire property					$ 45,500
Property percentage occupied					85.00%
Revenue since date of acqusition included in results of operations																										2,390
Income (loss) since date of acqusition included in results of operations																										967
City View Village [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²						17,870															17,870
Payments to acquire property						$ 6,300
Property percentage occupied						100.00%															100.00%
Revenue since date of acqusition included in results of operations																										612
Income (loss) since date of acqusition included in results of operations																										273
Village Square at Dana Park Hard Corner [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²							12,047
Property acquisitions, purchase price							$ 4,700
Payments to acquire property							$ 2,100
Property percentage occupied							88.00%
Face amount of debt							$ 2,600
The Shops at Williams Trace [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²							132,991
Payments to acquire property							$ 20,200
Property percentage occupied							87.00%
Williams Trace Plaza [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²							129,222
Payments to acquire property							$ 20,400
Property percentage occupied							95.00%
Fulton Ranch Towne Center Adjacent Parcel [Member]
Real Estate Properties [Line Items]
Payments to acquire property								$ 900
Area of land (in acres) | a								1.39
Fulton Ranch Towne Center [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²																													113,281
Payments to acquire property									$ 29,300
Property percentage occupied																													86.00%
The Promenade at Fulton Ranch [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²																													98,792
Payments to acquire property									$ 18,600
Property percentage occupied																													76.00%
The Strand at Huebner Oaks [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²										73,920
Payments to acquire property										$ 18,000
Property percentage occupied										90.00%
Heritage Trace Plaza [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²											70,431
Payments to acquire property											$ 20,100
Property percentage occupied											98.00%
Market Street at DC Ranch [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²												241,280
Payments to acquire property												$ 37,400
Property percentage occupied												80.00%
Corporate Park Woodland Parcel [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²													16,220
Payments to acquire property													$ 2,800
Property percentage occupied													63.00%
Area of land (in acres) | a													2.50
Fountain Hills Plaza [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²														111,289
Payments to acquire property														$ 20,600
Property percentage occupied														87.00%
Anthem Marketplace [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²															113,293
Payments to acquire property															$ 23,300
Property percentage occupied															100.00%
Area of land (in acres) | a															0.83
Mercado at Scottsdale Ranch [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²																118,730
Property acquisitions, purchase price																$ 21,300
Payments to acquire property																$ 9,300
Property percentage occupied																100.00%
Face amount of debt																$ 11,100
Mercado at Scottsdale Ranch [Member] | Interest Rate Supplement [Member]
Real Estate Properties [Line Items]
Face amount of debt																$ 900
Headquarters Village Shopping Center [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²																	89,134
Payments to acquire property																	$ 25,700
Property percentage occupied																	100.00%
Zeta, Royal Crest and Featherwood [Member]
Real Estate Properties [Line Items]
Number of properties | property																						3					3
INCOME STATEMENT DATA
Proceeds from sale of real estate																											$ 10,300
Short-term seller financing provided																		$ 2,500								2,500
Gain on property dispositions																										4,400
Gain on sale of properties recognized																										1,900
Deferred gain on sale of property																		$ 2,500								2,500
Operating results for properties classified as discontinued operations
Property revenues																										51	1,626	1,653
Property expenses																										41	734	832
Depreciation and amortization																										0	314	329
Interest expense																										0	58	175
Provision for income taxes																										0	10	12
Loss (gain) on sale or disposal of assets																										(1)	0	7
Operating income from discontinued operations																										11	510	298
Gain on sale of property from discontinued operations																										0	1,887	0
Income from discontinued operations																										$ 11	$ 2,397	$ 298
Corporate Park Northwest [Member] | Fire [Member]
Real Estate Properties [Line Items]
Gross leasable area (in square feet) | ft²	11,268
Involuntary conversion
Loss from catastrophes	$ 447
Demolition costs	55
Insurance recoveries	569
Corporate Park Northwest [Member] | Fire [Member] | Loss on Sale or Disposal of Asset [Member]
Involuntary conversion
Gain on business interruption insurance recovery	$ 67
Wholly Owned Properties [Member]
Real Estate Properties [Line Items]
Number of properties | CommercialProperties																		70				63				70	63	60
Gross leasable area (in square feet) | ft²																		6,000,000								6,000,000

Accrued Rents and Accounts Re50

Accrued Rents and Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Receivables [Abstract]
Tenant receivables	$ 10,494	$ 7,998
Accrued rents and other recoveries	11,619	8,800
Allowance for doubtful accounts	(6,647)	(4,964)
Totals	$ 15,466	$ 11,834

Unamortized Lease Commissions51

Unamortized Lease Commissions and Loan Costs (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Leasing commissions	$ 7,226	$ 5,936
Deferred financing cost	6,490	5,785
Total cost	13,716	11,721
Less: leasing commissions accumulated amortization	(2,960)	(2,373)
Less: deferred financing cost accumulated amortization	(786)	(469)
Total cost, net of accumulated amortization	$ 9,970	$ 8,879

Unamortized Lease Commissions52

Unamortized Lease Commissions and Loan Costs (Details 2) $ in Thousands	Dec. 31, 2014USD ($)
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Expected Amortization of Deferred Leasing Commissions Year 2016	$ 1,220
Expected Amortization of Deferred Leasing Commissions Year 2017	1,001
Expected Amortization of Deferred Leasing Commissions Year 2018	728
Expected Amortization of Deferred Leasing Commissions Year 2019	524
Expected Amortization of Deferred Leasing Commissions Year 2020	379
Expected Amortization of Deferred Leasing Commissions Thereafter	414
Expected Amortization of Deferred Leasing Commissions	4,266
Expected Amortization of Deferred Financing Costs Year 2016	1,253
Expected Amortization of Deferred Financing Costs Year 2017	1,239
Expected Amortization of Deferred Financing Costs Year 2018	1,126
Expected Amortization of Deferred Financing Costs Year 2019	612
Expected Amortization of Deferred Financing Costs Year 2020	568
Expected Amortization of Deferred Financing Costs Thereafter	906
Expected Amortization of Deferred Financing Costs	5,704
Expected Amortization of Deferred Costs Year 2016	2,473
Expected Amortization of Deferred Costs Year 2017	2,240
Expected Amortization of Deferred Costs Year 2018	1,854
Expected Amortization of Deferred Costs Year 2019	1,136
Expected Amortization of Deferred Costs Year 2020	947
Expected Amortization of Deferred Costs Thereafter	1,320
Expected Amortization of Deferred Costs	$ 9,970

Future Minimum Lease Income (De

Future Minimum Lease Income (Details) $ in Thousands	Dec. 31, 2014USD ($)
Leases [Abstract]
2,016	$ 71,537
2,017	61,511
2,018	48,913
2,019	37,588
2,020	27,078
Thereafter	88,948
Total	$ 335,575

Debt (Schedule of Debt) (Detail

Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	Nov. 07, 2014	Dec. 31, 2015	Dec. 31, 2014	Feb. 03, 2017	May. 31, 2013	Aug. 08, 2012
Debt Instrument [Line Items]
Notes payable		$ 499,747	$ 394,093
Face amount of debt					$ 14,100
Stated interest rate					5.695%
Fixed Rate Notes [Member] | $10.5 million, LIBOR plus 2.00% Note, due September 24, 2018 | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Notes payable		10,220	10,460
Face amount of debt		$ 10,500	$ 10,500
Basis spread on variable rate		2.00%	2.00%
Fixed Rate Notes [Member] | $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020
Debt Instrument [Line Items]
Notes payable		$ 50,000	$ 50,000
Face amount of debt		$ 50,000	$ 50,000
Imputed interest rate		0.84%	0.84%
Fixed Rate Notes [Member] | $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020 | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.35%	1.35%
Fixed Rate Notes [Member] | $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020 | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.90%	1.90%
Fixed Rate Notes [Member] | $50.0 million, 1.50% plus 1.35% to 1.90% Note, due January 29, 2021
Debt Instrument [Line Items]
Notes payable		$ 50,000	$ 50,000
Face amount of debt		$ 50,000	$ 50,000
Imputed interest rate		1.50%	1.50%
Fixed Rate Notes [Member] | $50.0 million, 1.50% plus 1.35% to 1.90% Note, due January 29, 2021 | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.35%	1.35%
Fixed Rate Notes [Member] | $50.0 million, 1.50% plus 1.35% to 1.90% Note, due January 29, 2021 | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.90%	1.90%
Fixed Rate Notes [Member] | $100.0 million, 1.73% plus 1.65% to 2.25% Note, due October 30, 2022
Debt Instrument [Line Items]
Notes payable		$ 100,000	$ 0
Face amount of debt		$ 100,000	$ 100,000
Imputed interest rate		1.73%	1.73%
Fixed Rate Notes [Member] | $100.0 million, 1.73% plus 1.65% to 2.25% Note, due October 30, 2022 | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.65%	1.65%
Fixed Rate Notes [Member] | $100.0 million, 1.73% plus 1.65% to 2.25% Note, due October 30, 2022 | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		2.25%	2.25%
Fixed Rate Notes [Member] | $37.0 million 3.76% Note, due December 1, 2020
Debt Instrument [Line Items]
Notes payable		$ 35,146	$ 36,090
Face amount of debt		$ 37,000	$ 37,000
Stated interest rate		3.76%	3.76%
Fixed Rate Notes [Member] | $6.5 million 3.80% Note, due January 1, 2019
Debt Instrument [Line Items]
Notes payable		$ 6,190	$ 6,355
Face amount of debt		$ 6,500	$ 6,500
Stated interest rate		3.80%	3.80%
Fixed Rate Notes [Member] | $19.0 million 4.15% Note, due December 1, 2024
Debt Instrument [Line Items]
Notes payable		$ 19,000	$ 19,000
Face amount of debt		$ 19,000	$ 19,000
Stated interest rate		4.15%	4.15%
Fixed Rate Notes [Member] | $20.2 million 4.28% Note, due June 6, 2023
Debt Instrument [Line Items]
Notes payable		$ 20,040	$ 20,200
Face amount of debt		$ 20,200	$ 20,200
Stated interest rate		4.28%	4.28%
Fixed Rate Notes [Member] | $14.0 million 4.34% Note, due September 11, 2024
Debt Instrument [Line Items]
Notes payable		$ 14,000	$ 14,000
Face amount of debt		$ 14,000	$ 14,000
Stated interest rate		4.34%	4.34%
Fixed Rate Notes [Member] | $14.3 million 4.34% Note, due September 11, 2024
Debt Instrument [Line Items]
Notes payable		$ 14,300	$ 14,300
Face amount of debt		$ 14,300	$ 14,300
Stated interest rate		4.34%	4.34%
Fixed Rate Notes [Member] | $16.5 million 4.97% Note, due September 26, 2023
Debt Instrument [Line Items]
Notes payable		$ 16,450	$ 16,450
Face amount of debt		$ 16,500	$ 16,500
Stated interest rate		4.97%	4.97%
Fixed Rate Notes [Member] | $15.1 million 4.99% Note, due January 6, 2024
Debt Instrument [Line Items]
Notes payable		$ 15,060	$ 15,060
Face amount of debt		$ 15,100	$ 15,100
Stated interest rate		4.99%	4.99%
Fixed Rate Notes [Member] | $9.2 million, Prime Rate less 2.00%, due December 29, 2017
Debt Instrument [Line Items]
Debt discount						$ 1,300
Imputed interest rate						4.13%
Fixed Rate Notes [Member] | $9.2 million, Prime Rate less 2.00%, due December 29, 2017 | Prime Rate [Member]
Debt Instrument [Line Items]
Notes payable		$ 7,886	$ 7,888
Face amount of debt		$ 9,200	$ 9,200
Basis spread on variable rate		2.00%	2.00%
Fixed Rate Notes [Member] | $2.6 million 5.46% Note, due October 1, 2023
Debt Instrument [Line Items]
Notes payable		$ 2,550	$ 2,583
Face amount of debt		$ 2,600	$ 2,600
Stated interest rate		5.46%	5.46%
Fixed Rate Notes [Member] | $11.1 million 5.87% Note, due August 6, 2016
Debt Instrument [Line Items]
Notes payable		$ 11,305	$ 11,607
Face amount of debt		$ 11,100	$ 11,100
Stated interest rate		5.87%	5.87%
Floating Rate Notes [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.35%
Floating Rate Notes [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.95%
Floating Rate Notes [Member] | Unsecured line of credit, LIBOR plus 1.40% to 1.95%, due October 30, 2019 | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Notes payable		$ 127,600	$ 120,100
Floating Rate Notes [Member] | Unsecured line of credit, LIBOR plus 1.40% to 1.95%, due October 30, 2019 | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.40%	1.40%
Floating Rate Notes [Member] | Unsecured line of credit, LIBOR plus 1.40% to 1.95%, due October 30, 2019 | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.95%	1.95%
Interest Rate Swap [Member] | $10.5 million, LIBOR plus 2.00% Note, due September 24, 2018
Debt Instrument [Line Items]
Stated interest rate		3.55%
Interest Rate Swap [Member] | $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020
Debt Instrument [Line Items]
Stated interest rate		0.84%
Interest Rate Swap [Member] | $50.0 million, 1.50% plus 1.35% to 1.90% Note, due January 29, 2021
Debt Instrument [Line Items]
Stated interest rate		1.50%
Interest Rate Swap [Member] | $100.0 million, 1.73% plus 1.65% to 2.25% Note, due October 30, 2022
Debt Instrument [Line Items]
Stated interest rate		1.73%
Interest Rate Swap [Member] | $9.2 million, Prime Rate less 2.00%, due December 29, 2017
Debt Instrument [Line Items]
Stated interest rate		5.72%
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.35%
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.40%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.95%
Scenario, Forecast [Member] | Interest Rate Swap [Member] | $50.0 million, 0.84% plus 1.35% to 1.90% Note, due October 30, 2020
Debt Instrument [Line Items]
Stated interest rate				1.75%

Debt (Narrative) (Details)

Debt (Narrative) (Details)

Nov. 07, 2014USD ($)

Nov. 26, 2013USD ($)

Sep. 24, 2013USD ($)

Jun. 19, 2013USD ($)

Dec. 31, 2015USD ($)propertyCollateralizedPropertiesloan

Dec. 31, 2014USD ($)CollateralizedProperties

Dec. 24, 2014USD ($)

Nov. 26, 2014USD ($)

Sep. 03, 2014USD ($)

Aug. 26, 2014USD ($)

Dec. 23, 2013USD ($)

Dec. 16, 2013USD ($)

Sep. 26, 2013USD ($)

May. 31, 2013USD ($)

Debt Instrument [Line Items]

Long-term Debt

$ 499,700,000

$ 394,100,000

Notes payable

$ 499,747,000

$ 394,093,000

Stated interest rate

5.695%

Number of collateralized properties | CollateralizedProperties

20

20

Carrying value of collateralized properties

$ 213,900,000

$ 216,900,000

Face amount of debt

$ 14,100,000

Minimum [Member]

Debt Instrument [Line Items]

Credit facility, commitment fee

0.20%

Credit facility, usage

50.00%

Maximum [Member]

Debt Instrument [Line Items]

Credit facility, commitment fee

0.25%

Credit facility, usage

50.00%

Floating Rate Loan [Member]

Debt Instrument [Line Items]

Extinguishment of debt

$ 26,900,000

Fixed Rate Indebtedness [Member]

Debt Instrument [Line Items]

Extinguishment of debt

$ 10,100,000

Mercado at Scottsdale Ranch [Member]

Debt Instrument [Line Items]

Stated interest rate

5.87%

Other liabilities assumed

$ 932,000

Face amount of debt

$ 11,100,000

Imputed interest rate

3.052%

Village Square at Dana Park Note [Member]

Debt Instrument [Line Items]

Stated interest rate

5.46%

Face amount of debt

$ 2,600,000

Headquarters Note [Member]

Debt Instrument [Line Items]

Stated interest rate

4.15%

Face amount of debt

$ 19,000,000

Pecos Note [Member]

Debt Instrument [Line Items]

Stated interest rate

4.34%

Face amount of debt

$ 14,000,000

Starwood Note [Member]

Debt Instrument [Line Items]

Stated interest rate

4.34%

Face amount of debt

$ 14,300,000

Woodlake Note [Member]

Debt Instrument [Line Items]

Stated interest rate

3.80%

Face amount of debt

$ 6,500,000

Anthem Note [Member]

Debt Instrument [Line Items]

Stated interest rate

4.99%

Face amount of debt

$ 15,100,000

Industrial Note [Member]

Debt Instrument [Line Items]

Stated interest rate

3.76%

Number of collateralized properties | property

9

Face amount of debt

$ 37,000,000

Uptown Note [Member]

Debt Instrument [Line Items]

Stated interest rate

4.97%

Face amount of debt

$ 16,500,000

Terravita Note [Member]

Debt Instrument [Line Items]

Face amount of debt

$ 10,500,000

Terravita Note [Member] | London Interbank Offered Rate (LIBOR) [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

2.00%

Pinnacle Note [Member]

Debt Instrument [Line Items]

Stated interest rate

4.2805%

Face amount of debt

$ 20,200,000

Floating Rate Notes [Member]

Debt Instrument [Line Items]

Long-term Debt

$ 127,600,000

Number of loans (in loans) | loan

1

Floating Rate Notes [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

1.35%

Floating Rate Notes [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

1.95%

Floating Rate Notes [Member] | one-month LIBOR [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

0.243%

Revolving Credit Facility [Member]

Debt Instrument [Line Items]

Credit facility, maximum borrowing capacity

$ 300,000,000

Credit facility, amount outstanding

$ 327,600,000

Credit facility, remaining borrowing capacity

172,400,000

Credit facility, increased borrowing capacity

$ 700,000,000

Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

1.00%

Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

1.40%

Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

1.95%

Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

1.35%

Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]

Debt Instrument [Line Items]

Basis spread on variable rate

2.25%

Term Loan [Member] | Term Loan 3 [Member]

Debt Instrument [Line Items]

Face amount of debt

$ 100,000,000

Term Loan [Member] | Term Loan 1 [Member]

Debt Instrument [Line Items]

Face amount of debt

50,000,000

Term Loan [Member] | Term Loan 2 [Member]

Debt Instrument [Line Items]

Face amount of debt

$ 50,000,000

Debt (Schedule of Maturities of

Debt (Schedule of Maturities of Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Disclosure [Abstract]
2,016	$ 13,269
2,017	10,213
2,018	12,136
2,019	135,649
2,020	82,827
Thereafter	245,653
Long-Term Debt - Principal, Total	$ 499,747	$ 394,093

Debt (Contractual Obligations)

Debt (Contractual Obligations) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Disclosure [Abstract]
Long-Term Debt - Principal, Total	$ 499,747	$ 394,093
Long-Term Debt - Principal, Less than 1 year (2016)	13,269
Long-Term Debt - Principal, 1 - 3 years (2017 - 2018)	22,349
Long-Term Debt - Principal, 3 - 5 years (2019 - 2020)	218,476
Long-Term Debt - Principal, More than 5 years (after 2020)	245,653
Long-Term Debt - Fixed Interest, Total	80,589
Long-Term Debt - Fixed Interest, Less than 1 year (2016)	13,030
Long-Term Debt - Fixed Interest, 1 - 3 years (2017 - 2018)	24,753
Long-Term Debt - Fixed Interest, 3 - 5 years (2018 - 2020)	23,002
Long-Term Debt - Fixed Interest, More than 5 years (after 2020)	19,804
Long-Term Debt - Variable Interest, Total	8,036
Long-Term Debt - Variable Interest, Less than 1 year (2016)	2,096
Long-Term Debt - Variable Interest, 1 - 3 years (2017 - 2018)	4,193
Long-Term Debt - Variable Interest, 3 - 5 years (2019 - 2020)	1,747
Long-Term Debt - Variable Interest, More than 5 years (after 2020)	0
Unsecured revolving credit facility - Unused commitment fee, Total	1,322
Unsecured revolving credit facility - Unused commitment fee, Less than 1 year (2016)	345
Unsecured revolving credit facility - Unused commitment fee, 1 - 3 years (2017 - 2018)	690
Unsecured revolving credit facility - Unused commitment fee, 3 - 5 years (2019 - 2020)	287
Unsecured revolving credit facility - Unused commitment fee, More than 5 years (after 2019)	0
Operating Lease Obligations, Total	186
Operating Lease Obligations, Less than 1 year (2016)	74
Operating Lease Obligations, 1 - 3 years (2017 - 2018)	88
Operating Lease Obligations, 3 - 5 years (2019 - 2020)	21
Operating Lease Obligations, More than 5 years (after 2020)	3
Contractual Obligations, Total	589,880
Contractual Obligations, Less than 1 year (2016)	28,814
Contractual Obligations, 1 - 3 years (2017 - 2018)	52,073
Contractual Obligations, 3 - 5 years (2019 - 2020)	243,533
Contractual Obligations, More than 5 years (after 2020)	$ 265,460

Derivatives and Hedging Activ58

Derivatives and Hedging Activities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Nov. 19, 2015	Nov. 01, 2013	Mar. 08, 2013
Interest Rate Swaps [Member] | Interest Expense [Member]
Derivative [Line Items]
Amount Recognized as Comprehensive Income (Loss)		$ 46	$ (136)	$ 173
Amount of Gain (Loss) Recognized in Earnings		(991)	(838)	$ (363)
Interest Rate Swaps [Member] | Accounts Payable and Accrued Expenses [Member]
Derivative [Line Items]
Estimated Fair Value	$ 617	$ 617	$ 1,016
Term Loan 3 [Member] | Interest Rate Swaps [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Fixed interest rate					1.725%
Term Loan 3 [Member] | U.S. Bank National Association [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	35,000
Term Loan 3 [Member] | SunTrust Bank [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	15,000
Term Loan 1 [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	14,000
Term Loan 1 [Member] | Interest Rate Swaps [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Fixed interest rate					1.75%		0.84%
Term Loan 1 [Member] | U.S. Bank National Association [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	6,500
Term Loan 1 [Member] | Wells Fargo Bank, National Association [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	14,000
Term Loan 1 [Member] | SunTrust Bank [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	5,000
Term Loan 1 [Member] | Regions Bank [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	3,800
Term Loan 2 [Member] | Interest Rate Swaps [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Fixed interest rate					1.502%
Term Loan 2 [Member] | U.S. Bank National Association [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	6,500
Term Loan 2 [Member] | Wells Fargo Bank, National Association [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	14,000
Term Loan 2 [Member] | Bank of American, N.A. [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	14,000
Term Loan 2 [Member] | SunTrust Bank [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	5,000
Term Loan 2 [Member] | Regions Bank [Member]
Derivative [Line Items]
Swap amount assigned to counterparty	$ 3,800
Terravita Note [Member] | Interest Rate Swaps [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Fixed interest rate						1.5475%

Earnings (Loss) Per Share (Deta

Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Numerator:
Income from continuing operations	$ 2,081	$ 1,551	$ 1,593	$ 1,629	$ 890	$ 1,012	$ 1,135	$ 2,312	$ 6,854	$ 5,349	$ 3,621
Less: Net income attributable to noncontrolling interests									(116)	(111)	(115)
Distributions paid on unvested restricted shares									(528)	(201)	(50)
Income from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares									6,210	5,037	3,456
Income from discontinued operations	$ 8	$ 44	$ (33)	$ (8)	$ 2,023	$ 109	$ 145	$ 120	11	2,397	298
Less: Net income attributable to noncontrolling interests									0	(49)	(10)
Income from discontinued operations attributable to Whitestone REIT									11	2,348	288
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares									$ 6,221	$ 7,385	$ 3,744
Denominator:
Weighted average number of common shares - basic									24,631,000	22,278,000	18,027,000
Effect of dilutive securities:
Unvested restricted shares									1,052,000	515,000	246,000
Weighted average number of common shares - dilutive									25,683,000	22,793,000	18,273,000
Basic:
Income (loss) from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.07	$ 0.05	$ 0.06	$ 0.07	$ 0.04	$ 0.04	$ 0.05	$ 0.10	$ 0.25	$ 0.23	$ 0.19
Income from discontinued operations attributable to Whitestone REIT (in dollars per share)	0	0	0	0	0.08	0.01	0	0.01	0	0.10	0.02
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	0.07	0.05	0.06	0.07	0.12	0.05	0.05	0.11	0.25	0.33	0.21
Diluted:
Income (loss) from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares (in dollars per share)	0.07	0.05	0.06	0.06	0.03	0.04	0.05	0.10	0.24	0.22	0.19
Income from discontinued operations attributable to Whitestone REIT (in dollars per share)	0	0	0	0	0.09	0.01	0	0.01	0	0.10	0.01
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.07	$ 0.05	$ 0.06	$ 0.06	$ 0.12	$ 0.05	$ 0.05	$ 0.11	$ 0.24	$ 0.32	$ 0.20
OP Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
OP units excluded from diluted earnings per share because their effect would be anti-dilutive (in shares)									429,809	471,310	595,782
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Distributions to holders of certain restricted common shares									$ 564	$ 272	$ 177
Distributions to holders of certain restricted common shares charged against earnings									$ 36	$ 71	$ 127

Federal Income Taxes (Details)

Federal Income Taxes (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Ordinary income (unaudited)	60.90%	53.30%	38.50%
Return of capital (unaudited)	37.70%	21.30%	61.30%
Capital gain distributions (unaudited)	1.40%	25.40%	0.20%
Total	100.00%	100.00%	100.00%

Related Party Transactions (Det

Related Party Transactions (Details) - USD ($)	Dec. 21, 2012	Jul. 09, 2010	Dec. 31, 2014	Dec. 05, 2013	May. 31, 2013
Related Party Transaction [Line Items]
Stated interest rate					5.695%
Related party receivable			$ 652,000
Executive Officer [Member]
Related Party Transaction [Line Items]
Sale of residence, shortfall threshold		$ 2,450,000
Term of payment of housing expenses		1 year
Sale of residence, amount	$ 1,125,000
Shortfall paid in cash	1,325,000
Expenses paid in cash	852,000
Involuntary conversion	$ 2,177,000
Four Point Five Percent Due December 2013 [Member] | Executive Officer [Member]
Related Party Transaction [Line Items]
Note receivable, related party			$ 975,000
Stated interest rate			4.50%	5.20%

Equity (Details)

Equity (Details) $ / shares in Units, $ in Thousands	Jun. 26, 2015USD ($)$ / sharesshares	Oct. 08, 2013USD ($)$ / sharesshares	Dec. 31, 2015USD ($)$ / sharesshares	Sep. 30, 2015USD ($)$ / shares	Jun. 30, 2015USD ($)$ / shares	Mar. 31, 2015USD ($)$ / shares	Dec. 31, 2014USD ($)$ / sharesshares	Sep. 30, 2014USD ($)$ / shares	Jun. 30, 2014USD ($)$ / shares	Mar. 31, 2014USD ($)$ / shares	Dec. 31, 2015USD ($)$ / sharesshares	Dec. 31, 2014USD ($)$ / sharesshares	Dec. 31, 2013USD ($)	Jun. 04, 2015USD ($)agreement	Jun. 19, 2013USD ($)agreement
Class of Stock [Line Items]
Common shares, authorized (in shares) | shares			400,000,000				400,000,000				400,000,000	400,000,000
Common shares, par value per share (in dollars per share) | $ / shares	$ 0.001	$ 0.001	$ 0.001				$ 0.001				$ 0.001	$ 0.001
Preferred shares, shares authorized (in shares) | shares			50,000,000				50,000,000				50,000,000	50,000,000
Preferred shares, par value per share (in dollars per share) | $ / shares			$ 0.001				$ 0.001				$ 0.001	$ 0.001
Common shares, issued (in shares) | shares	3,750,000	4,000,000	26,991,493				22,835,695				26,991,493	22,835,695
Amount authorized | $														$ 50,000	$ 50,000
Share price of equity offering (in dollars per share) | $ / shares	$ 13.3386	$ 13.54
Proceeds from issuance of common shares, net of offering costs | $	$ 49,700	$ 59,700									$ 49,649	$ 6,458	$ 63,887
Ownership interest in operating partnership											98.20%
Conversion ratio for class A common stock to OP unit (in shares) | shares			1								1
Weighted-average share ownership in operating partnership											98.30%	97.90%	96.80%
Number of equity distribution agreements | agreement														9	5
Payments of exchange offer costs | $											$ 0	$ 136	$ 40
OP Units [Member]
Class of Stock [Line Items]
OP units outstanding (in shares) | shares			27,367,704				22,926,599				27,367,704	22,926,599
Conversion of stock, shares converted (in shares) | shares											21,359	163,700
OP units owned (in shares) | shares			26,870,671				22,528,207				26,870,671	22,528,207
Cash Distribution [Member]
Class of Stock [Line Items]
Total Amount Paid | $			$ 7,809	$ 7,786	$ 6,712	$ 6,639	$ 6,598	$ 6,583	$ 6,519	$ 6,389	$ 28,946	$ 26,089
Cash Distribution [Member] | Common Stock [Member]
Class of Stock [Line Items]
Distribution Per Common Share (in dollars per share) | $ / shares			$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 1.1400	$ 1.1400
Total Amount Paid | $			$ 7,666	$ 7,664	$ 6,601	$ 6,526	$ 6,484	$ 6,457	$ 6,367	$ 6,231	$ 28,457	$ 25,539
Cash Distribution [Member] | OP Units [Member]
Class of Stock [Line Items]
Distribution Per Common Share (in dollars per share) | $ / shares			$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 0.2850	$ 1.1400	$ 1.1400
Total Amount Paid | $			$ 143	$ 122	$ 111	$ 113	$ 114	$ 126	$ 152	$ 158	$ 489	$ 550
Portion Attributable to Over-Allotment Option [Member]
Class of Stock [Line Items]
Common shares, issued (in shares) | shares		600,000
ATM Program [Member]
Class of Stock [Line Items]
Offering costs | $												$ 100	$ 200
ATM Program [Member] | Common Stock [Member]
Class of Stock [Line Items]
Common shares sold | shares											456,090	282,239
Proceeds from issuance | $											$ 6,400	$ 4,200
Payments of exchange offer costs | $											$ 100

Incentive Share Plan (Narrative

Incentive Share Plan (Narrative) (Details) $ in Thousands	Apr. 02, 2014employeeshares	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)	Dec. 22, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation		$ 7,337	$ 4,631	$ 2,284
2008 Long-Term Equity Incentive Ownership Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of maximum number of shares issued under plan to aggregate shares (as a percent)					12.50%
Share-based compensation		7,300	$ 4,700	$ 2,300
Unrecognized compensation cost		$ 13,300
Period from recognition		25 months
2008 Long-Term Equity Incentive Ownership Plan [Member] | Time-Based Vesting [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
2008 Long-Term Equity Incentive Ownership Plan [Member] | Time-Based Vesting [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	2 years
2008 Long-Term Equity Incentive Ownership Plan [Member] | Restricted Common Shares and Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options vesting percentage		82.00%
2008 Long-Term Equity Incentive Ownership Plan [Member] | Restricted Common Shares and Restricted Share Units [Member] | Time and Performance-Based Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-option equity instruments granted (in shares) | shares	633,704
Number of employees granted an award | employee	51
2008 Long-Term Equity Incentive Ownership Plan [Member] | Restricted Common Shares and Restricted Share Units [Member] | Performance Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-option equity instruments granted (in shares) | shares	2,049,116
2008 Long-Term Equity Incentive Ownership Plan [Member] | Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		39 months
Unrecognized compensation cost		$ 9,900
2008 Long-Term Equity Incentive Ownership Plan [Member] | Non-Vested Time Based Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost		$ 3,400
Period from recognition		15 years

Incentive Share Plan (Schedule

Incentive Share Plan (Schedule of Share-Based Incentive Plan Activity) (Details) - 2008 Long-Term Equity Incentive Ownership Plan [Member] - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Non-vested (in shares)	2,411,068
Shares, Granted (in shares)	327,122	2,058,930	328,005
Modified to new agreements (in shares)	0
Modified from existing agreements (in shares)	0
Shares, Vested (in shares)	(348,786)	(133,774)	(15,270)
Shares, Forfeited (in shares)	(101,144)
Shares, Non-vested (in shares)	2,288,260	2,411,068
Shares, Available for grant (in shares)	957,084
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted-Average Grant Date Fair Value, Non-vested (in dollars per share)	$ 14.45
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	13.49	$ 14.40	$ 15.43
Modified to new agreements (in dollars per share)	0
Modified from existing agreements (in dollars per share)	0
Weighted-Average Grant Date Fair Value, Vested (in dollars per share)	14.25
Weighted-Average Grant Date Fair Value, Forfeited (in dollars per share)	14.45
Weighted-Average Grant Date Fair Value, Non-vested (in dollars per share)	$ 14.34	$ 14.45

Incentive Share Plan (Schedul65

Incentive Share Plan (Schedule of Nonvested and Vested Shares Activity) (Details) - 2008 Long-Term Equity Incentive Ownership Plan [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares, Granted, Non-Vested Shares Isused (in shares)	327,122	2,058,930	328,005
Shares, Vested (in shares)	348,786	133,774	15,270
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Shares Granted, Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	$ 13.49	$ 14.40	$ 15.43
Shares Vested, Total Vest-Date Fair Value	$ 4,969	$ 1,721	$ 224

Grants to Trustees (Details)

Grants to Trustees (Details)	Dec. 21, 2015trustee$ / sharesshares	Dec. 09, 2014trustee$ / sharesshares	Oct. 24, 2014trustee$ / sharesshares
Individual Trustee Grant Agreements [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of independent trustees | trustee		2	4
Number of trustee emeritus | trustee			1
Individual Trustee Grant Agreements [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock granted to trustees (in shares) | shares		2,314	7,500
Stock granted to trustees, vested in period (in shares) | shares			1,500
Stock granted to trustees, weighted-average grant date fair value (in dollars per share) | $ / shares		$ 14.69	$ 14.53
Individual Trustee Grant Agreements 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of independent trustees | trustee	4
Number of trustee emeritus | trustee	1
Individual Trustee Grant Agreements 1 [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock granted to trustees (in shares) | shares	7,500
Stock granted to trustees, vested in period (in shares) | shares	1,500
Stock granted to trustees, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 12.10
Individual Trustee Grant Agreements 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of independent trustees | trustee	1
Individual Trustee Grant Agreements 2 [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock granted to trustees (in shares) | shares	992
Stock granted to trustees, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 12.10

Select Quarterly Financial Da67

Select Quarterly Financial Data (unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Revenues from continuing operations	$ 25,595	$ 24,599	$ 21,970	$ 21,252	$ 19,205	$ 18,540	$ 17,261	$ 17,376	$ 93,416	$ 72,382	$ 60,492
Income from continuing operations	2,081	1,551	1,593	1,629	890	1,012	1,135	2,312	6,854	5,349	3,621
Income from discontinued operations	8	44	(33)	(8)	2,023	109	145	120	11	2,397	298
Net income (loss) attributable to Whitestone REIT	$ 2,051	$ 1,570	$ 1,534	$ 1,594	$ 2,862	$ 1,100	$ 1,252	$ 2,372	$ 6,749	$ 7,586	$ 3,794
Basic Earnings Per Share:
Income (loss) from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.07	$ 0.05	$ 0.06	$ 0.07	$ 0.04	$ 0.04	$ 0.05	$ 0.10	$ 0.25	$ 0.23	$ 0.19
Income from discontinued operations attributable to Whitestone REIT (in dollars per share)	0	0	0	0	0.08	0.01	0	0.01	0	0.10	0.02
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	0.07	0.05	0.06	0.07	0.12	0.05	0.05	0.11	0.25	0.33	0.21
Diluted Earnings Per Share:
Income (loss) from continuing operations attributable to Whitestone REIT excluding amounts attributable to unvested restricted shares (in dollars per share)	0.07	0.05	0.06	0.06	0.03	0.04	0.05	0.10	0.24	0.22	0.19
Income from discontinued operations attributable to Whitestone REIT (in dollars per share)	0	0	0	0	0.09	0.01	0	0.01	0	0.10	0.01
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.07	$ 0.05	$ 0.06	$ 0.06	$ 0.12	$ 0.05	$ 0.05	$ 0.11	$ 0.24	$ 0.32	$ 0.20

Subsequent Events f (Details)

Subsequent Events f (Details) - Pinnacle Phase II [Member] - Subsequent Event [Member] $ in Millions	Feb. 17, 2016USD ($)a
Subsequent Event [Line Items]
Area of land sold (in acres)	0.5
Area of land (in acres)	4.45
Proceeds from sale of real estate | $	$ 1.1

Schedule II - Valuation and Q69

Schedule II - Valuation and Qualifying Accounts Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 4,964	$ 3,613	$ 2,226
Charged to Costs and Expense	1,974	1,602	1,638
Deductions from Reserves	(291)	(251)	(251)
Balance at End of Year	$ 6,647	$ 4,964	$ 3,613

Schedule III - Real Estate an70

Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
Initial Cost
Land				$ 213,978
Building and Improvements				561,856
Costs Capitalized Subsequent to Acquisition
Improvements (net)				58,393
Carrying Costs				1,311
Gross Amount at which Carried at End of Period
Land				213,978
Building and Improvements				621,560
Total	$ 673,655	$ 537,872	$ 401,325	835,538
Accumulated Depreciation				89,580
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at beginning of period	673,655	537,872	401,325
Additions during the period:
Acquisitions	150,331	132,734	130,731
Improvements	12,653	9,330	6,164
Real estate, total additions	162,984	142,064	136,895
Deductions - cost of real estate sold or retired	(1,101)	(6,281)	(348)
Balance at close of period	$ 835,538	$ 673,655	$ 537,872
Aggregate cost of real estate for federal income tax purposes				$ 807,349
New Acquisitions Through Earlier Attainment, Percent Occupancy				90.00%
New Acquisitions Through Earlier Attainment, Term of Ownership	18 months
Anthem Marketplace [Member]
Additions during the period:
Amount of encumbrances				$ 15,100
Headquarters Village [Member]
Additions during the period:
Amount of encumbrances				19,000
Mercado at Scottsdale Ranch [Member]
Additions during the period:
Amount of encumbrances				11,100
Paradise Plaza [Member]
Additions during the period:
Amount of encumbrances				9,200
Pinnacle of Scottsdale [Member]
Additions during the period:
Amount of encumbrances				14,100
Shops at Pecos Ranch [Member]
Additions during the period:
Amount of encumbrances				14,000
Shops at Starwood [Member]
Additions during the period:
Amount of encumbrances				14,300
Terravita Marketplace [Member]
Additions during the period:
Amount of encumbrances				10,500
Village Square at Dana Park [Member]
Additions during the period:
Amount of encumbrances				2,600
Uptown Tower [Member]
Additions during the period:
Amount of encumbrances				16,500
Woodlake Plaza [Member]
Additions during the period:
Amount of encumbrances				6,500
All Office/Flex Communities Except Corporate Park Northwest and Brookhill [Member]
Additions during the period:
Amount of encumbrances				37,000
Total Operating Portfolio [Member]
Initial Cost
Land				188,554
Building and Improvements				513,594
Costs Capitalized Subsequent to Acquisition
Improvements (net)				54,870
Carrying Costs				517
Gross Amount at which Carried at End of Period
Land				188,554
Building and Improvements				568,981
Total	$ 757,535			757,535
Accumulated Depreciation				88,658
Additions during the period:
Balance at close of period	757,535
Retail Communities [Member]
Initial Cost
Land				173,704
Building and Improvements				439,303
Costs Capitalized Subsequent to Acquisition
Improvements (net)				38,075
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				173,704
Building and Improvements				477,378
Total	651,082			651,082
Accumulated Depreciation				54,883
Additions during the period:
Balance at close of period	651,082
Retail Communities [Member] | Ahwatukee Plaza [Member]
Initial Cost
Land				5,126
Building and Improvements				4,086
Costs Capitalized Subsequent to Acquisition
Improvements (net)				322
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,126
Building and Improvements				4,408
Total	$ 9,534			9,534
Accumulated Depreciation				549
Date Acquired	Aug. 16, 2011
Additions during the period:
Balance at close of period	$ 9,534
Retail Communities [Member] | Anthem Marketplace [Member]
Initial Cost
Land				4,790
Building and Improvements				17,973
Costs Capitalized Subsequent to Acquisition
Improvements (net)				160
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				4,790
Building and Improvements				18,133
Total	$ 22,923			22,923
Accumulated Depreciation				1,192
Date Acquired	Jun. 28, 2013
Additions during the period:
Balance at close of period	$ 22,923
Retail Communities [Member] | Bellnot Square [Member]
Initial Cost
Land				1,154
Building and Improvements				4,638
Costs Capitalized Subsequent to Acquisition
Improvements (net)				411
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,154
Building and Improvements				5,049
Total	$ 6,203			6,203
Accumulated Depreciation				1,817
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 6,203
Retail Communities [Member] | Bissonnet Beltway [Member]
Initial Cost
Land				415
Building and Improvements				1,947
Costs Capitalized Subsequent to Acquisition
Improvements (net)				428
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				415
Building and Improvements				2,375
Total	$ 2,790			2,790
Accumulated Depreciation				1,572
Date Acquired	Jan. 1, 1999
Additions during the period:
Balance at close of period	$ 2,790
Retail Communities [Member] | Centre South [Member]
Initial Cost
Land				481
Building and Improvements				1,596
Costs Capitalized Subsequent to Acquisition
Improvements (net)				590
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				481
Building and Improvements				2,186
Total	$ 2,667			2,667
Accumulated Depreciation				1,071
Date Acquired	Jan. 1, 2000
Additions during the period:
Balance at close of period	$ 2,667
Retail Communities [Member] | The Citadel [Member]
Initial Cost
Land				472
Building and Improvements				1,777
Costs Capitalized Subsequent to Acquisition
Improvements (net)				2,595
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				472
Building and Improvements				4,372
Total	4,844			4,844
Additions during the period:
Balance at close of period	4,844
Retail Communities [Member] | City View Village [Member]
Initial Cost
Land				2,044
Building and Improvements				4,149
Costs Capitalized Subsequent to Acquisition
Improvements (net)				(12)
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				2,044
Building and Improvements				4,137
Total	$ 6,181			6,181
Accumulated Depreciation				80
Date Acquired	Mar. 31, 2015
Additions during the period:
Balance at close of period	$ 6,181
Retail Communities [Member] | Corporate Park Woodland II [Member]
Initial Cost
Land				2,758
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				5
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				2,758
Building and Improvements				5
Total	2,763			2,763
Additions during the period:
Balance at close of period	2,763
Retail Communities [Member] | Desert Canyon [Member]
Initial Cost
Land				1,976
Building and Improvements				1,704
Costs Capitalized Subsequent to Acquisition
Improvements (net)				629
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,976
Building and Improvements				2,333
Total	4,309			4,309
Additions during the period:
Balance at close of period	4,309
Retail Communities [Member] | Fountain Hills Plaza [Member]
Initial Cost
Land				5,113
Building and Improvements				15,340
Costs Capitalized Subsequent to Acquisition
Improvements (net)				64
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,113
Building and Improvements				15,404
Total	20,517			20,517
Additions during the period:
Balance at close of period	20,517
Retail Communities [Member] | Fountain Square [Member]
Initial Cost
Land				5,573
Building and Improvements				9,828
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,630
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,573
Building and Improvements				11,458
Total	17,031			17,031
Additions during the period:
Balance at close of period	17,031
Retail Communities [Member] | Fulton Ranch Towne Center [Member]
Initial Cost
Land				7,604
Building and Improvements				22,612
Costs Capitalized Subsequent to Acquisition
Improvements (net)				93
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				7,604
Building and Improvements				22,705
Total	30,309			30,309
Additions during the period:
Balance at close of period	30,309
Retail Communities [Member] | Gilbert Tuscany Village [Member]
Initial Cost
Land				1,767
Building and Improvements				3,233
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,441
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,767
Building and Improvements				4,674
Total	6,441			6,441
Additions during the period:
Balance at close of period	6,441
Retail Communities [Member] | Heritage Trace Plaza [Member]
Initial Cost
Land				6,209
Building and Improvements				13,821
Costs Capitalized Subsequent to Acquisition
Improvements (net)				30
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				6,209
Building and Improvements				13,851
Total	20,060			20,060
Additions during the period:
Balance at close of period	20,060
Retail Communities [Member] | Holly Knight [Member]
Initial Cost
Land				320
Building and Improvements				1,293
Costs Capitalized Subsequent to Acquisition
Improvements (net)				165
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				320
Building and Improvements				1,458
Total	$ 1,778			1,778
Accumulated Depreciation				974
Date Acquired	Aug. 1, 2000
Additions during the period:
Balance at close of period	$ 1,778
Retail Communities [Member] | Headquarters Village [Member]
Initial Cost
Land				7,171
Building and Improvements				18,439
Costs Capitalized Subsequent to Acquisition
Improvements (net)				230
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				7,171
Building and Improvements				18,669
Total	$ 25,840			25,840
Accumulated Depreciation				1,353
Date Acquired	Mar. 28, 2013
Additions during the period:
Balance at close of period	$ 25,840
Retail Communities [Member] | Keller Place [Member]
Initial Cost
Land				5,977
Building and Improvements				7,577
Costs Capitalized Subsequent to Acquisition
Improvements (net)				(79)
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,977
Building and Improvements				7,498
Total	$ 13,475			13,475
Accumulated Depreciation				66
Date Acquired	Aug. 26, 2015
Additions during the period:
Balance at close of period	$ 13,475
Retail Communities [Member] | Kempwood Plaza [Member]
Initial Cost
Land				733
Building and Improvements				1,798
Costs Capitalized Subsequent to Acquisition
Improvements (net)				764
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				733
Building and Improvements				2,562
Total	$ 3,295			3,295
Accumulated Depreciation				1,201
Date Acquired	Feb. 2, 1999
Additions during the period:
Balance at close of period	$ 3,295
Retail Communities [Member] | Lion Square [Member]
Initial Cost
Land				1,546
Building and Improvements				4,289
Costs Capitalized Subsequent to Acquisition
Improvements (net)				3,202
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,546
Building and Improvements				7,491
Total	$ 9,037			9,037
Accumulated Depreciation				3,186
Date Acquired	Jan. 1, 2000
Additions during the period:
Balance at close of period	$ 9,037
Retail Communities [Member] | MarketPlace at Central [Member]
Initial Cost
Land				1,305
Building and Improvements				5,324
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,067
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,305
Building and Improvements				6,391
Total	7,696			7,696
Additions during the period:
Balance at close of period	7,696
Retail Communities [Member] | Market Street at DC Ranch [Member]
Initial Cost
Land				9,710
Building and Improvements				26,779
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,687
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				9,710
Building and Improvements				28,466
Total	38,176			38,176
Additions during the period:
Balance at close of period	38,176
Retail Communities [Member] | Mercado at Scottsdale Ranch [Member]
Initial Cost
Land				8,728
Building and Improvements				12,560
Costs Capitalized Subsequent to Acquisition
Improvements (net)				495
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				8,728
Building and Improvements				13,055
Total	$ 21,783			21,783
Accumulated Depreciation				871
Date Acquired	Jun. 19, 2013
Additions during the period:
Balance at close of period	$ 21,783
Retail Communities [Member] | Paradise Plaza [Member]
Initial Cost
Land				6,155
Building and Improvements				10,221
Costs Capitalized Subsequent to Acquisition
Improvements (net)				859
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				6,155
Building and Improvements				11,080
Total	17,235			17,235
Additions during the period:
Balance at close of period	17,235
Retail Communities [Member] | Parkside Village North [Member]
Initial Cost
Land				3,877
Building and Improvements				8,629
Costs Capitalized Subsequent to Acquisition
Improvements (net)				62
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				3,877
Building and Improvements				8,691
Total	$ 12,568			12,568
Accumulated Depreciation				111
Date Acquired	Jul. 2, 2015
Additions during the period:
Balance at close of period	$ 12,568
Retail Communities [Member] | Parkside Village South [Member]
Initial Cost
Land				5,562
Building and Improvements				27,154
Costs Capitalized Subsequent to Acquisition
Improvements (net)				19
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,562
Building and Improvements				27,173
Total	32,735			32,735
Additions during the period:
Balance at close of period	32,735
Retail Communities [Member] | Pinnacle of Scottsdale [Member]
Initial Cost
Land				6,648
Building and Improvements				22,466
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,267
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				6,648
Building and Improvements				23,733
Total	$ 30,381			30,381
Accumulated Depreciation				2,559
Date Acquired	Dec. 22, 2011
Additions during the period:
Balance at close of period	$ 30,381
Retail Communities [Member] | Providence [Member]
Initial Cost
Land				918
Building and Improvements				3,675
Costs Capitalized Subsequent to Acquisition
Improvements (net)				669
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				918
Building and Improvements				4,344
Total	$ 5,262			5,262
Accumulated Depreciation				1,839
Date Acquired	Mar. 30, 2001
Additions during the period:
Balance at close of period	$ 5,262
Retail Communities [Member] | Quinlan Crossing [Member]
Initial Cost
Land				9,561
Building and Improvements				28,683
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				9,561
Building and Improvements				28,684
Total	$ 38,245			38,245
Accumulated Depreciation				245
Date Acquired	Aug. 26, 2015
Additions during the period:
Balance at close of period	$ 38,245
Retail Communities [Member] | Shaver [Member]
Initial Cost
Land				184
Building and Improvements				633
Costs Capitalized Subsequent to Acquisition
Improvements (net)				(41)
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				184
Building and Improvements				592
Total	$ 776			776
Accumulated Depreciation				295
Date Acquired	Dec. 17, 1999
Additions during the period:
Balance at close of period	$ 776
Retail Communities [Member] | Shops at Pecos Ranch [Member]
Initial Cost
Land				3,781
Building and Improvements				15,123
Costs Capitalized Subsequent to Acquisition
Improvements (net)				560
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				3,781
Building and Improvements				15,683
Total	$ 19,464			19,464
Accumulated Depreciation				1,256
Date Acquired	Dec. 28, 2012
Additions during the period:
Balance at close of period	$ 19,464
Retail Communities [Member] | Shops at Starwood [Member]
Initial Cost
Land				4,093
Building and Improvements				11,487
Costs Capitalized Subsequent to Acquisition
Improvements (net)				154
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				4,093
Building and Improvements				11,641
Total	$ 15,734			15,734
Accumulated Depreciation				1,237
Date Acquired	Dec. 28, 2011
Additions during the period:
Balance at close of period	$ 15,734
Retail Communities [Member] | The Shops at Williams Trace [Member]
Initial Cost
Land				5,920
Building and Improvements				14,297
Costs Capitalized Subsequent to Acquisition
Improvements (net)				66
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,920
Building and Improvements				14,363
Total	$ 20,283			20,283
Accumulated Depreciation				367
Date Acquired	Dec. 24, 2014
Additions during the period:
Balance at close of period	$ 20,283
Retail Communities [Member] | South Richey [Member]
Initial Cost
Land				778
Building and Improvements				2,584
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,929
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				778
Building and Improvements				4,513
Total	$ 5,291			5,291
Accumulated Depreciation				1,803
Date Acquired	Aug. 25, 1999
Additions during the period:
Balance at close of period	$ 5,291
Retail Communities [Member] | Spoerlein Commons [Member]
Initial Cost
Land				2,340
Building and Improvements				7,296
Costs Capitalized Subsequent to Acquisition
Improvements (net)				530
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				2,340
Building and Improvements				7,826
Total	$ 10,166			10,166
Accumulated Depreciation				1,503
Date Acquired	Jan. 16, 2009
Additions during the period:
Balance at close of period	$ 10,166
Retail Communities [Member] | The Strand at Huebner Oaks [Member]
Initial Cost
Land				5,805
Building and Improvements				12,335
Costs Capitalized Subsequent to Acquisition
Improvements (net)				82
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,805
Building and Improvements				12,417
Total	$ 18,222			18,222
Accumulated Depreciation				397
Date Acquired	Sep. 19, 2014
Additions during the period:
Balance at close of period	$ 18,222
Retail Communities [Member] | SugarPark Plaza [Member]
Initial Cost
Land				1,781
Building and Improvements				7,125
Costs Capitalized Subsequent to Acquisition
Improvements (net)				512
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,781
Building and Improvements				7,637
Total	$ 9,418			9,418
Accumulated Depreciation				2,284
Date Acquired	Sep. 8, 2004
Additions during the period:
Balance at close of period	$ 9,418
Retail Communities [Member] | Sunridge [Member]
Initial Cost
Land				276
Building and Improvements				1,186
Costs Capitalized Subsequent to Acquisition
Improvements (net)				331
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				276
Building and Improvements				1,517
Total	$ 1,793			1,793
Accumulated Depreciation				622
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 1,793
Retail Communities [Member] | Sunset at Pinnacle Peak [Member]
Initial Cost
Land				3,610
Building and Improvements				2,734
Costs Capitalized Subsequent to Acquisition
Improvements (net)				432
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				3,610
Building and Improvements				3,166
Total	$ 6,776			6,776
Accumulated Depreciation				312
Date Acquired	May 29, 2012
Additions during the period:
Balance at close of period	$ 6,776
Retail Communities [Member] | Terravita Marketplace [Member]
Initial Cost
Land				7,171
Building and Improvements				9,392
Costs Capitalized Subsequent to Acquisition
Improvements (net)				573
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				7,171
Building and Improvements				9,965
Total	$ 17,136			17,136
Accumulated Depreciation				1,212
Date Acquired	Aug. 8, 2011
Additions during the period:
Balance at close of period	$ 17,136
Retail Communities [Member] | Torrey Square [Member]
Initial Cost
Land				1,981
Building and Improvements				2,971
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,208
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,981
Building and Improvements				4,179
Total	$ 6,160			6,160
Accumulated Depreciation				2,048
Date Acquired	Jan. 1, 2000
Additions during the period:
Balance at close of period	$ 6,160
Retail Communities [Member] | Town Park [Member]
Initial Cost
Land				850
Building and Improvements				2,911
Costs Capitalized Subsequent to Acquisition
Improvements (net)				176
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				850
Building and Improvements				3,087
Total	$ 3,937			3,937
Accumulated Depreciation				1,704
Date Acquired	Jan. 1, 1999
Additions during the period:
Balance at close of period	$ 3,937
Retail Communities [Member] | Village Square at Dana Park [Member]
Initial Cost
Land				10,877
Building and Improvements				40,252
Costs Capitalized Subsequent to Acquisition
Improvements (net)				2,306
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				10,877
Building and Improvements				42,558
Total	$ 53,435			53,435
Accumulated Depreciation				3,535
Date Acquired	Sep. 21, 2012
Additions during the period:
Balance at close of period	$ 53,435
Retail Communities [Member] | Webster Pointe [Member]
Initial Cost
Land				720
Building and Improvements				1,150
Costs Capitalized Subsequent to Acquisition
Improvements (net)				197
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				720
Building and Improvements				1,347
Total	$ 2,067			2,067
Accumulated Depreciation				686
Date Acquired	Jan. 1, 2000
Additions during the period:
Balance at close of period	$ 2,067
Retail Communities [Member] | Westchase [Member]
Initial Cost
Land				423
Building and Improvements				1,751
Costs Capitalized Subsequent to Acquisition
Improvements (net)				2,763
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				423
Building and Improvements				4,514
Total	$ 4,937			4,937
Accumulated Depreciation				1,529
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 4,937
Retail Communities [Member] | Williams Trace Plaza [Member]
Initial Cost
Land				6,800
Building and Improvements				14,003
Costs Capitalized Subsequent to Acquisition
Improvements (net)				30
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				6,800
Building and Improvements				14,033
Total	$ 20,833			20,833
Accumulated Depreciation				359
Date Acquired	Dec. 24, 2014
Additions during the period:
Balance at close of period	$ 20,833
Retail Communities [Member] | Windsor Park [Member]
Initial Cost
Land				2,621
Building and Improvements				10,482
Costs Capitalized Subsequent to Acquisition
Improvements (net)				7,473
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				2,621
Building and Improvements				17,955
Total	$ 20,576			20,576
Accumulated Depreciation				5,789
Date Acquired	Dec. 16, 2003
Additions during the period:
Balance at close of period	$ 20,576
Office Flex Communities [Member]
Initial Cost
Land				9,439
Building and Improvements				41,074
Costs Capitalized Subsequent to Acquisition
Improvements (net)				7,957
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				9,439
Building and Improvements				49,031
Total	58,470			58,470
Accumulated Depreciation				21,945
Additions during the period:
Balance at close of period	58,470
Office Flex Communities [Member] | Brookhill [Member]
Initial Cost
Land				186
Building and Improvements				788
Costs Capitalized Subsequent to Acquisition
Improvements (net)				375
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				186
Building and Improvements				1,163
Total	$ 1,349			1,349
Accumulated Depreciation				454
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 1,349
Office Flex Communities [Member] | Corporate Park Northwest [Member]
Initial Cost
Land				1,534
Building and Improvements				6,306
Costs Capitalized Subsequent to Acquisition
Improvements (net)				2,032
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,534
Building and Improvements				8,338
Total	$ 9,872			9,872
Accumulated Depreciation				2,907
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 9,872
Office Flex Communities [Member] | Corporate Park West [Member]
Initial Cost
Land				2,555
Building and Improvements				10,267
Costs Capitalized Subsequent to Acquisition
Improvements (net)				980
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				2,555
Building and Improvements				11,247
Total	$ 13,802			13,802
Accumulated Depreciation				4,358
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 13,802
Office Flex Communities [Member] | Corporate Park Woodland [Member]
Initial Cost
Land				652
Building and Improvements				5,330
Costs Capitalized Subsequent to Acquisition
Improvements (net)				653
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				652
Building and Improvements				5,983
Total	$ 6,635			6,635
Accumulated Depreciation				3,008
Date of Construction	Nov. 1, 2000
Additions during the period:
Balance at close of period	$ 6,635
Office Flex Communities [Member] | Dairy Ashford [Member]
Initial Cost
Land				226
Building and Improvements				1,211
Costs Capitalized Subsequent to Acquisition
Improvements (net)				80
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				226
Building and Improvements				1,291
Total	$ 1,517			1,517
Accumulated Depreciation				647
Date Acquired	Jan. 1, 1999
Additions during the period:
Balance at close of period	$ 1,517
Office Flex Communities [Member] | Holly Hall Industrial Park [Member]
Initial Cost
Land				608
Building and Improvements				2,516
Costs Capitalized Subsequent to Acquisition
Improvements (net)				396
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				608
Building and Improvements				2,912
Total	$ 3,520			3,520
Accumulated Depreciation				1,151
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 3,520
Office Flex Communities [Member] | Interstate 10 Warehouse [Member]
Initial Cost
Land				208
Building and Improvements				3,700
Costs Capitalized Subsequent to Acquisition
Improvements (net)				374
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				208
Building and Improvements				4,074
Total	$ 4,282			4,282
Accumulated Depreciation				2,581
Date Acquired	Jan. 1, 1999
Additions during the period:
Balance at close of period	$ 4,282
Office Flex Communities [Member] | Main Park [Member]
Initial Cost
Land				1,328
Building and Improvements				2,721
Costs Capitalized Subsequent to Acquisition
Improvements (net)				580
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,328
Building and Improvements				3,301
Total	$ 4,629			4,629
Accumulated Depreciation				1,583
Date Acquired	Jan. 1, 1999
Additions during the period:
Balance at close of period	$ 4,629
Office Flex Communities [Member] | Plaza Park [Member]
Initial Cost
Land				902
Building and Improvements				3,294
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,059
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				902
Building and Improvements				4,353
Total	$ 5,255			5,255
Accumulated Depreciation				2,192
Date Acquired	Jan. 1, 2000
Additions during the period:
Balance at close of period	$ 5,255
Office Flex Communities [Member] | Westbelt Plaza [Member]
Initial Cost
Land				568
Building and Improvements				2,165
Costs Capitalized Subsequent to Acquisition
Improvements (net)				735
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				568
Building and Improvements				2,900
Total	$ 3,468			3,468
Accumulated Depreciation				1,678
Date Acquired	Jan. 1, 1999
Additions during the period:
Balance at close of period	$ 3,468
Office Flex Communities [Member] | Westgate Service Center [Member]
Initial Cost
Land				672
Building and Improvements				2,776
Costs Capitalized Subsequent to Acquisition
Improvements (net)				693
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				672
Building and Improvements				3,469
Total	$ 4,141			4,141
Accumulated Depreciation				1,386
Date Acquired	Jan. 1, 2002
Additions during the period:
Balance at close of period	$ 4,141
Office Communities [Member]
Initial Cost
Land				5,411
Building and Improvements				33,217
Costs Capitalized Subsequent to Acquisition
Improvements (net)				8,838
Carrying Costs				517
Gross Amount at which Carried at End of Period
Land				5,411
Building and Improvements				42,572
Total	47,983			47,983
Accumulated Depreciation				11,830
Additions during the period:
Balance at close of period	47,983
Office Communities [Member] | 9101 LBJ Freeway [Member]
Initial Cost
Land				1,597
Building and Improvements				6,078
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,300
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,597
Building and Improvements				7,378
Total	$ 8,975			8,975
Accumulated Depreciation				2,205
Date Acquired	Aug. 10, 2005
Additions during the period:
Balance at close of period	$ 8,975
Office Communities [Member] | Pima Norte [Member]
Initial Cost
Land				1,086
Building and Improvements				7,162
Costs Capitalized Subsequent to Acquisition
Improvements (net)				2,067
Carrying Costs				517
Gross Amount at which Carried at End of Period
Land				1,086
Building and Improvements				9,746
Total	$ 10,832			10,832
Accumulated Depreciation				1,842
Date Acquired	Oct. 4, 2007
Additions during the period:
Balance at close of period	$ 10,832
Office Communities [Member] | Uptown Tower [Member]
Initial Cost
Land				1,621
Building and Improvements				15,551
Costs Capitalized Subsequent to Acquisition
Improvements (net)				3,928
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,621
Building and Improvements				19,479
Total	$ 21,100			21,100
Accumulated Depreciation				6,007
Date Acquired	Nov. 22, 2005
Additions during the period:
Balance at close of period	$ 21,100
Office Communities [Member] | Woodlake Plaza [Member]
Initial Cost
Land				1,107
Building and Improvements				4,426
Costs Capitalized Subsequent to Acquisition
Improvements (net)				1,543
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				1,107
Building and Improvements				5,969
Total	$ 7,076			7,076
Accumulated Depreciation				1,776
Date Acquired	Mar. 14, 2005
Additions during the period:
Balance at close of period	$ 7,076
Development Portfolio [Member]
Initial Cost
Land				17,421
Building and Improvements				48,262
Costs Capitalized Subsequent to Acquisition
Improvements (net)				144
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				17,421
Building and Improvements				48,406
Total	65,827			65,827
Accumulated Depreciation				922
Additions during the period:
Balance at close of period	$ 65,827
Development Portfolio [Member] | The Citadel [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				948
Date Acquired	Sep. 28, 2010
Development Portfolio [Member] | Corporate Park Woodland II [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				5
Date Acquired	Oct. 17, 2013
Development Portfolio [Member] | Desert Canyon [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				385
Date Acquired	Apr. 13, 2011
Development Portfolio [Member] | Fountain Hills Plaza [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				889
Date Acquired	Oct. 7, 2013
Development Portfolio [Member] | Fountain Square [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				1,001
Date Acquired	Sep. 21, 2012
Development Portfolio [Member] | Fulton Ranch Towne Center [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				676
Date Acquired	Nov. 5, 2014
Development Portfolio [Member] | Gilbert Tuscany Village [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				892
Date Acquired	Jun. 28, 2011
Development Portfolio [Member] | Heritage Trace Plaza [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				539
Date Acquired	Jul. 1, 2014
Development Portfolio [Member] | MarketPlace at Central [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				911
Date Acquired	Nov. 1, 2010
Development Portfolio [Member] | Market Street at DC Ranch [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				1,670
Date Acquired	Dec. 5, 2013
Development Portfolio [Member] | Paradise Plaza [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				995
Date Acquired	Aug. 8, 2012
Development Portfolio [Member] | Parkside Village South [Member]
Gross Amount at which Carried at End of Period
Accumulated Depreciation				348
Date Acquired	Jul. 2, 2015
Development Portfolio [Member] | Davenport Village [Member]
Initial Cost
Land				11,367
Building and Improvements				34,101
Costs Capitalized Subsequent to Acquisition
Improvements (net)				20
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				11,367
Building and Improvements				34,121
Total	$ 45,488			45,488
Accumulated Depreciation				510
Date Acquired	May 27, 2015
Additions during the period:
Balance at close of period	$ 45,488
Development Portfolio [Member] | Gilbert Tuscany Village Hard Corner [Member]
Initial Cost
Land				856
Building and Improvements				794
Costs Capitalized Subsequent to Acquisition
Improvements (net)				0
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				856
Building and Improvements				794
Total	$ 1,650			1,650
Accumulated Depreciation				10
Date Acquired	Aug. 28, 2015
Additions during the period:
Balance at close of period	$ 1,650
Development Portfolio [Member] | The Promenade at Fulton Ranch [Member]
Initial Cost
Land				5,198
Building and Improvements				13,367
Costs Capitalized Subsequent to Acquisition
Improvements (net)				124
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				5,198
Building and Improvements				13,491
Total	$ 18,689			18,689
Accumulated Depreciation				402
Date Acquired	Nov. 5, 2014
Additions during the period:
Balance at close of period	$ 18,689
Property Held for Development [Member]
Initial Cost
Land				8,003
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				3,379
Carrying Costs				794
Gross Amount at which Carried at End of Period
Land				8,003
Building and Improvements				4,173
Total	12,176			12,176
Accumulated Depreciation				0
Additions during the period:
Balance at close of period	12,176
Property Held for Development [Member] | Anthem Marketplace [Member]
Initial Cost
Land				204
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				0
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				204
Building and Improvements				0
Total	$ 204			204
Accumulated Depreciation				0
Date Acquired	Jun. 28, 2013
Additions during the period:
Balance at close of period	$ 204
Property Held for Development [Member] | Market Street at DC Ranch [Member]
Initial Cost
Land				704
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				0
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				704
Building and Improvements				0
Total	$ 704			704
Accumulated Depreciation				0
Date Acquired	Dec. 5, 2013
Additions during the period:
Balance at close of period	$ 704
Property Held for Development [Member] | Dana Park Development [Member]
Initial Cost
Land				4,000
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				7
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				4,000
Building and Improvements				7
Total	$ 4,007			4,007
Accumulated Depreciation				0
Date Acquired	Sep. 21, 2012
Additions during the period:
Balance at close of period	$ 4,007
Property Held for Development [Member] | Fountain Hills [Member]
Initial Cost
Land				277
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				0
Carrying Costs				0
Gross Amount at which Carried at End of Period
Land				277
Building and Improvements				0
Total	$ 277			277
Accumulated Depreciation				0
Date Acquired	Oct. 7, 2013
Additions during the period:
Balance at close of period	$ 277
Property Held for Development [Member] | Pinnacle Phase II [Member]
Initial Cost
Land				1,000
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				338
Carrying Costs				399
Gross Amount at which Carried at End of Period
Land				1,000
Building and Improvements				737
Total	$ 1,737			1,737
Accumulated Depreciation				0
Date Acquired	Dec. 28, 2011
Additions during the period:
Balance at close of period	$ 1,737
Property Held for Development [Member] | Shops at Starwood Phase III [Member]
Initial Cost
Land				1,818
Building and Improvements				0
Costs Capitalized Subsequent to Acquisition
Improvements (net)				3,034
Carrying Costs				395
Gross Amount at which Carried at End of Period
Land				1,818
Building and Improvements				3,429
Total	$ 5,247			5,247
Accumulated Depreciation				$ 0
Date Acquired	Dec. 28, 2011
Additions during the period:
Balance at close of period	$ 5,247
Minimum [Member] | Retail Communities [Member] | Ahwatukee Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Anthem Marketplace [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Bellnot Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Bissonnet Beltway [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Centre South [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | The Citadel [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | City View Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Corporate Park Woodland II [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Desert Canyon [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Fountain Hills Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Fountain Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Fulton Ranch Towne Center [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Gilbert Tuscany Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Heritage Trace Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Holly Knight [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Headquarters Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Keller Place [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Kempwood Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Lion Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | MarketPlace at Central [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Market Street at DC Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Mercado at Scottsdale Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Paradise Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Parkside Village North [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Parkside Village South [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Pinnacle of Scottsdale [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Providence [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Quinlan Crossing [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Shaver [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Shops at Pecos Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Shops at Starwood [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | The Shops at Williams Trace [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | South Richey [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Spoerlein Commons [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | The Strand at Huebner Oaks [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | SugarPark Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Sunridge [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Sunset at Pinnacle Peak [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Terravita Marketplace [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Torrey Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Town Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Village Square at Dana Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Webster Pointe [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Westchase [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Williams Trace Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Retail Communities [Member] | Windsor Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Brookhill [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Corporate Park Northwest [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Corporate Park West [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Corporate Park Woodland [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Dairy Ashford [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Holly Hall Industrial Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Interstate 10 Warehouse [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Main Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Plaza Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Westbelt Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Flex Communities [Member] | Westgate Service Center [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Communities [Member] | 9101 LBJ Freeway [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Communities [Member] | Pima Norte [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Communities [Member] | Uptown Tower [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Office Communities [Member] | Woodlake Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Development Portfolio [Member] | Davenport Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Development Portfolio [Member] | Gilbert Tuscany Village Hard Corner [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Minimum [Member] | Development Portfolio [Member] | The Promenade at Fulton Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	5 years
Maximum [Member] | Retail Communities [Member] | Ahwatukee Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Anthem Marketplace [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Bellnot Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Bissonnet Beltway [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Centre South [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | The Citadel [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | City View Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Corporate Park Woodland II [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Desert Canyon [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Fountain Hills Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Fountain Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Fulton Ranch Towne Center [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Gilbert Tuscany Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Heritage Trace Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Holly Knight [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Headquarters Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Keller Place [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Kempwood Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Lion Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | MarketPlace at Central [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Market Street at DC Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Mercado at Scottsdale Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Paradise Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Parkside Village North [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Parkside Village South [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Pinnacle of Scottsdale [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Providence [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Quinlan Crossing [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Shaver [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Shops at Pecos Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Shops at Starwood [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | The Shops at Williams Trace [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | South Richey [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Spoerlein Commons [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | The Strand at Huebner Oaks [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | SugarPark Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Sunridge [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Sunset at Pinnacle Peak [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Terravita Marketplace [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Torrey Square [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Town Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Village Square at Dana Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Webster Pointe [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Westchase [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Williams Trace Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Retail Communities [Member] | Windsor Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Brookhill [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Corporate Park Northwest [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Corporate Park West [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Corporate Park Woodland [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Dairy Ashford [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Holly Hall Industrial Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Interstate 10 Warehouse [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Main Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Plaza Park [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Westbelt Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Flex Communities [Member] | Westgate Service Center [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Communities [Member] | 9101 LBJ Freeway [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Communities [Member] | Pima Norte [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Communities [Member] | Uptown Tower [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Office Communities [Member] | Woodlake Plaza [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Development Portfolio [Member] | Davenport Village [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Development Portfolio [Member] | Gilbert Tuscany Village Hard Corner [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years
Maximum [Member] | Development Portfolio [Member] | The Promenade at Fulton Ranch [Member]
Gross Amount at which Carried at End of Period
Depreciation Life	39 years