$WSR
Whitestone REIT Stock $wsr

$wsr Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-Q Financial Statement

#000117553520000126 Filed on October 30, 2020

Income Statement

Concept	2020 Q4	2020 Q3	2019 Q3
Revenue	$29.83M	$29.90M	$29.88M
YoY Change	-0.88%	0.07%	-2.69%
Cost Of Revenue	$9.970M	$22.73M	$21.91M
YoY Change	3.1%	3.72%	2.93%
Gross Profit	$19.87M	$7.170M	$7.965M
YoY Change	-2.74%	-9.98%	-15.39%
Gross Profit Margin	66.6%	23.98%	26.66%
Selling, General & Admin	$5.700M	$5.860M	$5.600M
YoY Change	10.68%	4.64%	12.45%
% of Gross Profit	28.69%	81.73%	70.31%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$7.190M	$7.170M	$6.790M
YoY Change	4.66%	5.6%	-28.75%
% of Gross Profit	36.19%	100.0%	85.25%
Operating Expenses	$12.88M	$6.347M	$6.538M
YoY Change	7.15%	-2.92%	265.05%
Operating Profit	$6.990M	$823.0K	$1.427M
YoY Change	-16.88%	-42.33%	-81.28%
Interest Expense	-$5.970M	$6.400M	$6.679M
YoY Change	-183.38%	-4.18%	4.05%
% of Operating Profit	-85.41%	777.64%	468.04%
Other Income/Expense, Net
YoY Change
Pretax Income	$3.260M	$1.020M	$1.950M
YoY Change	-80.02%	-47.69%	-76.01%
Income Tax	$90.00K	$105.0K	$102.0K
% Of Pretax Income	2.76%	10.29%	5.23%
Net Earnings	$3.112M	$900.0K	$1.807M
YoY Change	-80.27%	-50.19%	-76.94%
Net Earnings / Revenue	10.43%	3.01%	6.05%
Basic Earnings Per Share	$0.07	$0.02	$0.04
Diluted Earnings Per Share	$0.07	$0.02	$0.04
COMMON SHARES
Basic Shares Outstanding	42.35M shares	42.35M shares	40.19M shares
Diluted Shares Outstanding		43.44M shares	41.45M shares

Balance Sheet

Concept	2020 Q4	2020 Q3	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$25.80M	$39.00M	$5.500M
YoY Change	66.45%	609.09%	-41.49%
Cash & Equivalents	$25.78M	$38.99M	$5.539M
Short-Term Investments
Other Short-Term Assets	$1.500M	$1.600M	$2.700M
YoY Change	-37.5%	-40.74%	-74.53%
Inventory
Prepaid Expenses
Receivables	$6.500M	$7.500M	$5.700M
Other Receivables	$16.80M	$17.40M	$22.60M
Total Short-Term Assets	$50.60M	$65.50M	$36.50M
YoY Change	22.82%	79.45%	-12.89%
LONG-TERM ASSETS
Property, Plant & Equipment	$943.3M	$948.5M	$931.5M
YoY Change	-2.09%	1.83%	-6.95%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$33.98M	$34.85M	$26.42M
YoY Change	-0.35%	31.89%	29.61%
Other Assets	$7.900M	$8.200M	$9.100M
YoY Change	-13.19%	-9.89%	31.88%
Total Long-Term Assets	$994.4M	$999.4M	$975.3M
YoY Change	-2.04%	2.48%	-1.68%
TOTAL ASSETS
Total Short-Term Assets	$50.60M	$65.50M	$36.50M
Total Long-Term Assets	$994.4M	$999.4M	$975.3M
Total Assets	$1.045B	$1.065B	$1.012B
YoY Change	-1.07%	5.25%	-2.14%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$50.30M	$49.00M	$30.70M
YoY Change	55.73%	59.61%	19.92%
Accrued Expenses	$600.0K	$800.0K	$700.0K
YoY Change	-53.85%	14.29%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$62.50M	$62.10M	$49.70M
YoY Change	18.6%	24.95%	15.31%
LONG-TERM LIABILITIES
Long-Term Debt	$644.2M	$666.5M	$621.7M
YoY Change	-0.08%	7.21%	-6.74%
Other Long-Term Liabilities	$0.00	$0.00	$7.600M
YoY Change	-100.0%	-100.0%	5.56%
Total Long-Term Liabilities	$644.2M	$666.5M	$629.3M
YoY Change	-0.95%	5.91%	-6.6%
TOTAL LIABILITIES
Total Short-Term Liabilities	$62.50M	$62.10M	$49.70M
Total Long-Term Liabilities	$644.2M	$666.5M	$629.3M
Total Liabilities	$706.7M	$728.7M	$679.0M
YoY Change	0.5%	7.31%	1.24%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$562.3M	$560.2M	$540.2M
YoY Change	1.34%	3.71%	2.73%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$332.1M	$330.0M	$325.0M
YoY Change
Total Liabilities & Shareholders Equity	$1.045B	$1.065B	$1.012B
YoY Change	-1.07%	5.25%	-2.14%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2019 Q3
OPERATING ACTIVITIES
Net Income	$3.112M	$900.0K	$1.807M
YoY Change	-80.27%	-50.19%	-76.94%
Depreciation, Depletion And Amortization	$7.190M	$7.170M	$6.790M
YoY Change	4.66%	5.6%	-28.75%
Cash From Operating Activities	$13.56M	$15.30M	$11.36M
YoY Change	-23.69%	34.68%	-31.07%
INVESTING ACTIVITIES
Capital Expenditures	-$1.550M	-$2.760M	-$3.720M
YoY Change	-95.93%	-25.81%	-31.11%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$920.0K	$0.00
YoY Change	-100.0%		-100.0%
Cash From Investing Activities	-$1.550M	-$1.840M	-$3.720M
YoY Change	-95.24%	-50.54%	-203.91%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-25.16M	-14.43M	-7.520M
YoY Change	-201.57%	91.89%	-46.02%
NET CHANGE
Cash From Operating Activities	13.56M	15.30M	11.36M
Cash From Investing Activities	-1.550M	-1.840M	-3.720M
Cash From Financing Activities	-25.16M	-14.43M	-7.520M
Net Change In Cash	-13.15M	-970.0K	120.0K
YoY Change	-231.5%	-908.33%	-98.04%
FREE CASH FLOW
Cash From Operating Activities	$13.56M	$15.30M	$11.36M
Capital Expenditures	-$1.550M	-$2.760M	-$3.720M
Free Cash Flow	$15.11M	$18.06M	$15.08M
YoY Change	-72.96%	19.76%	-31.08%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Registrant Name EntityRegistrantName	Whitestone REIT
	dei	Entity Central Index Key EntityCentralIndexKey	0001175535
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	42353309	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	41492117	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	42353309	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41492117	shares
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-34855
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	76-0594970
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2600 South Gessner,
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 500
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77063
	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	City Area Code CityAreaCode	713
	dei	Local Phone Number LocalPhoneNumber	827-9595
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2020Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	42354265	shares
CY2020Q3	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1104963000	USD
CY2019Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1099955000	USD
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CY2019Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	137933000	USD
CY2020Q3	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	947660000	USD
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CY2020Q3	us-gaap	Minority Interest MinorityInterest	6264000	USD
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	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	15604000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	16514000	USD
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	us-gaap	Interest Expense InterestExpense	19561000	USD
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	us-gaap	Operating Expenses OperatingExpenses	20237000	USD
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	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	324000	USD
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CY2020Q3	wsr	Discontinued Operation Gain Loss On Sale Of Property DiscontinuedOperationGainLossOnSaleOfProperty	0	USD
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	wsr	Discontinued Operation Gain Loss On Sale Of Property DiscontinuedOperationGainLossOnSaleOfProperty	0	USD
	wsr	Discontinued Operation Gain Loss On Sale Of Property DiscontinuedOperationGainLossOnSaleOfProperty	701000	USD
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	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	701000	USD
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	us-gaap	Profit Loss ProfitLoss	2980000	USD
	us-gaap	Profit Loss ProfitLoss	8092000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	14000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	42000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	58000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	184000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	900000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	1807000	USD
	us-gaap	Net Income Loss NetIncomeLoss	2922000	USD
	us-gaap	Net Income Loss NetIncomeLoss	7908000	USD
CY2020Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.02
CY2019Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.04
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.07
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.18
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2020Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.02
CY2019Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.04
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.07
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.17
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.04
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42346000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40187000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42202000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39942000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43440000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41446000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43040000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41084000	shares
CY2020Q3	us-gaap	Profit Loss ProfitLoss	914000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	1849000	USD
	us-gaap	Profit Loss ProfitLoss	2980000	USD
	us-gaap	Profit Loss ProfitLoss	8092000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1241000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2235000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-10395000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-11740000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2155000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-386000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-7415000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-3648000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	14000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	42000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	58000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	184000	USD
CY2020Q3	wsr	Comprehensive Income Loss Net Of Tax Attributable To Noncontrolling Interest Excluding Net Income Loss Attributable To Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingNetIncomeLossAttributableToNoncontrollingInterest	43000	USD
CY2019Q3	wsr	Comprehensive Income Loss Net Of Tax Attributable To Noncontrolling Interest Excluding Net Income Loss Attributable To Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingNetIncomeLossAttributableToNoncontrollingInterest	-51000	USD
	wsr	Comprehensive Income Loss Net Of Tax Attributable To Noncontrolling Interest Excluding Net Income Loss Attributable To Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingNetIncomeLossAttributableToNoncontrollingInterest	-203000	USD
	wsr	Comprehensive Income Loss Net Of Tax Attributable To Noncontrolling Interest Excluding Net Income Loss Attributable To Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToNoncontrollingInterestExcludingNetIncomeLossAttributableToNoncontrollingInterest	-266000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2098000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-377000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-7270000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3566000	USD
CY2020Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	21808000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	21623000	USD
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	65591000	USD
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	64752000	USD
CY2020Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	8339000	USD
CY2019Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	8240000	USD
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	24976000	USD
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	23701000	USD
CY2020Q3	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	1279000	USD
CY2019Q3	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	495000	USD
	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	4451000	USD
	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	926000	USD
CY2020Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	28868000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	29368000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	86116000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	87527000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	353098000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2020Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2241000	USD
CY2020Q1	wsr	Stock Issued During Period Converison Expense StockIssuedDuringPeriodConverisonExpense	32000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	42000	USD
CY2020Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1630000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1248000	USD
CY2020Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	4544000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-10952000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	1647000	USD
CY2020Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	341118000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2020Q2	wsr	Stock Issued During Period Converison Expense StockIssuedDuringPeriodConverisonExpense	11000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	16000	USD
CY2020Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	440000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1140000	USD
CY2020Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	4527000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-684000	USD
CY2020Q2	wsr	Reallocation Members Equity Including Portion Attributable To Noncontrolling Interest ReallocationMembersEquityIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	419000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	337031000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2020Q3	wsr	Stock Issued During Period Converison Expense StockIssuedDuringPeriodConverisonExpense	0	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	16000	USD
CY2020Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	6000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1592000	USD
CY2020Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	4528000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1241000	USD
CY2020Q3	wsr	Reallocation Members Equity Including Portion Attributable To Noncontrolling Interest ReallocationMembersEquityIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	914000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	336260000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	359150000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q1	wsr	Stock Issued During Period Converison Expense StockIssuedDuringPeriodConverisonExpense	6000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	34000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	762000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1883000	USD
CY2019Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	11615000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-3470000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	2839000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	348053000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	3716000	USD
CY2019Q2	wsr	Stock Issued During Period Converison Expense StockIssuedDuringPeriodConverisonExpense	-1000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	35000	USD
CY2019Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	14000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1025000	USD
CY2019Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	11710000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-6035000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	3404000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	338475000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	4830000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	35000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1641000	USD
CY2019Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	11838000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2235000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	1849000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	332757000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2980000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	7391000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	701000	USD
	us-gaap	Profit Loss ProfitLoss	2980000	USD
	us-gaap	Profit Loss ProfitLoss	8092000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	21112000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19865000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	839000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	814000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-882000	USD
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-115000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4451000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	926000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3980000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4548000	USD
	us-gaap	Net Income Loss From Real Estate Investment Partnership Attributable To Parent NetIncomeLossFromRealEstateInvestmentPartnershipAttributableToParent	752000	USD
	us-gaap	Net Income Loss From Real Estate Investment Partnership Attributable To Parent NetIncomeLossFromRealEstateInvestmentPartnershipAttributableToParent	1480000	USD
	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	-522000	USD
	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	-48000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	6123000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	1762000	USD
	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	825000	USD
	us-gaap	Increase Decrease In Accounts Receivable Related Parties IncreaseDecreaseInAccountsReceivableRelatedParties	-15000	USD
	us-gaap	Impairment Losses Related To Real Estate Partnerships ImpairmentLossesRelatedToRealEstatePartnerships	0	USD
	us-gaap	Impairment Losses Related To Real Estate Partnerships ImpairmentLossesRelatedToRealEstatePartnerships	1005000	USD
	wsr	Increase Decrease In Unamortized Lease Commissions And Loan Costs IncreaseDecreaseInUnamortizedLeaseCommissionsAndLoanCosts	958000	USD
	wsr	Increase Decrease In Unamortized Lease Commissions And Loan Costs IncreaseDecreaseInUnamortizedLeaseCommissionsAndLoanCosts	202000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2145000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6838000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	131000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	5206000	USD
	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	538000	USD
	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	15000	USD
	us-gaap	Increase Decrease In Security Deposits IncreaseDecreaseInSecurityDeposits	298000	USD
	us-gaap	Increase Decrease In Security Deposits IncreaseDecreaseInSecurityDeposits	310000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	29220000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	29976000	USD
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	5808000	USD
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	9953000	USD
	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable	922000	USD
	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4886000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9953000	USD
	wsr	Discontinued Operation Gain Loss On Sale Of Property DiscontinuedOperationGainLossOnSaleOfProperty	0	USD
	wsr	Discontinued Operation Gain Loss On Sale Of Property DiscontinuedOperationGainLossOnSaleOfProperty	701000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20771000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	34047000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	430000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	793000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2241000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8546000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	43000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	5000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	1734000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
	wsr	Proceeds From Bonds Payable ProceedsFromBondsPayable	0	USD
	wsr	Proceeds From Bonds Payable ProceedsFromBondsPayable	100000000	USD
	wsr	Proceedsfrom Paymentsto Longterm Linesof Credit ProceedsfromPaymentstoLongtermLinesofCredit	30000000	USD
	wsr	Proceedsfrom Paymentsto Longterm Linesof Credit ProceedsfromPaymentstoLongtermLinesofCredit	-90200000	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	11514000	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	7502000	USD
	us-gaap	Payments Of Loan Costs PaymentsOfLoanCosts	0	USD
	us-gaap	Payments Of Loan Costs PaymentsOfLoanCosts	4088000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2076000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	776000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-859000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-28865000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	23475000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-8141000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15643000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	13786000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39118000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5645000	USD
	us-gaap	Interest Paid Net InterestPaidNet	18790000	USD
	us-gaap	Interest Paid Net InterestPaidNet	19176000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	353000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	396000	USD
	wsr	Disposal Of Fully Depreciated Real Estate DisposalOfFullyDepreciatedRealEstate	34000	USD
	wsr	Disposal Of Fully Depreciated Real Estate DisposalOfFullyDepreciatedRealEstate	203000	USD
	wsr	Dollar Amount Of Insurance Premiums Financed During Reporting Period DollarAmountOfInsurancePremiumsFinancedDuringReportingPeriod	1431000	USD
	wsr	Dollar Amount Of Insurance Premiums Financed During Reporting Period DollarAmountOfInsurancePremiumsFinancedDuringReportingPeriod	1238000	USD
	us-gaap	Stock Issued1 StockIssued1	74000	USD
	us-gaap	Stock Issued1 StockIssued1	104000	USD
	wsr	Non Cash Investing And Financing Activites Value Of Common Shares Exchanged For Op Units NonCashInvestingAndFinancingActivitesValueOfCommonSharesExchangedForOpUnits	1138000	USD
	wsr	Non Cash Investing And Financing Activites Value Of Common Shares Exchanged For Op Units NonCashInvestingAndFinancingActivitesValueOfCommonSharesExchangedForOpUnits	37000	USD
	wsr	Non Cash Investing And Financing Change In Fair Value Of Cash Flow Hedge NonCashInvestingAndFinancingChangeInFairValueOfCashFlowHedge	-10395000	USD
	wsr	Non Cash Investing And Financing Change In Fair Value Of Cash Flow Hedge NonCashInvestingAndFinancingChangeInFairValueOfCashFlowHedge	-11740000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	38990000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5539000	USD
CY2020Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	128000	USD
CY2019Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	106000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39118000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5645000	USD
CY2004Q3	wsr	Reorganizationand Conversion Numberof Common Shares ReorganizationandConversionNumberofCommonShares	1.42857	shares
CY2020Q3	wsr	Contractual Base Rent And Common Area Maintenance Reimbursables Billed Percentage ContractualBaseRentAndCommonAreaMaintenanceReimbursablesBilledPercentage	0.90
CY2020Q3	wsr	Conversion Ratio For Class Common Stock To Op Unit ConversionRatioForClassCommonStockToOPUnit	1	shares
CY2020Q3	wsr	Conversion Ratio For Class Common Stock To Op Unit ConversionRatioForClassCommonStockToOPUnit	1	shares
	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:115%">Use of Estimates. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of 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. In particular, the coronavirus (“COVID-19”) pandemic has adversely impacted and is likely to further adversely impact the Company’s business and markets, including the Company’s operations and the operations of its tenants. The full extent to which the pandemic will directly or indirectly impact the Company's business, results of operations and financial condition, including revenues, expenses, reserves and allowances, fair value measurements, and asset impairment charges, will depend on future developments that are highly uncertain and difficult to predict. These developments include, but are not limited to, the duration and spread of the pandemic, its severity in our markets and elsewhere, the impact on our tenants’ businesses and financial condition, governmental actions to contain the spread of the pandemic and respond to the reduction in global economic activity, and how quickly and to what extent normal economic and operating conditions can resume.</span>
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Reclassifications. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have reclassified certain prior period amounts in the accompanying consolidated financial statements in order to be consistent with the current period presentation. These reclassifications had no effect on net income, total assets, total liabilities or equity.</span>
CY2020Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	122000	USD
CY2020Q3	wsr	Real Estate Taxes Capitalized RealEstateTaxesCapitalized	71000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	362000	USD
	wsr	Real Estate Taxes Capitalized RealEstateTaxesCapitalized	231000	USD
CY2019Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	127000	USD
CY2019Q3	wsr	Real Estate Taxes Capitalized RealEstateTaxesCapitalized	77000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	365000	USD
	wsr	Real Estate Taxes Capitalized RealEstateTaxesCapitalized	251000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1645000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1719000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4167000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4770000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	15500000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	11200000	USD
CY2020Q3	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	1300000	USD
CY2019Q3	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	500000	USD
	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	4500000	USD
	wsr	Straight Line Rent Adjustments Covid19 StraightLineRentAdjustmentsCOVID19	1100000	USD
CY2020Q3	wsr	Accounts Receivable Credit Loss Expense Reversal Number Of Tenants Covid19 AccountsReceivableCreditLossExpenseReversalNumberOfTenantsCOVID19	12	tenant
	wsr	Operating Lease Lease Income Bad Debt Expense OperatingLeaseLeaseIncomeBadDebtExpense	900000	USD
CY2020Q3	wsr	Accounts Receivable Credit Loss Expense Reversal Covid19 AccountsReceivableCreditLossExpenseReversalCOVID19	700000	USD
	wsr	Accounts Receivable Credit Loss Expense Reversal Covid19 AccountsReceivableCreditLossExpenseReversalCOVID19	1800000	USD
CY2020Q3	wsr	Straight Line Rent Adjustments Covid19 StraightLineRentAdjustmentsCOVID19	100000	USD
	wsr	Accounts Receivable Credit Loss Expense Reversal Number Of Tenants Covid19 AccountsReceivableCreditLossExpenseReversalNumberOfTenantsCOVID19	84	tenant
CY2020Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	21800000	USD
CY2020Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	8300000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	21600000	USD
CY2019Q3	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	8200000	USD
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	65600000	USD
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	25000000.0	USD
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	64800000	USD
	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	23700000	USD
CY2020Q3	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	21140000	USD
CY2020Q3	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	79101000	USD
CY2020Q3	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	68060000	USD
CY2020Q3	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	56561000	USD
CY2020Q3	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	44593000	USD
CY2020Q3	wsr	Lessor Operating Lease Payment To Be Received After Year Four LessorOperatingLeasePaymentToBeReceivedAfterYearFour	125900000	USD
CY2020Q3	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	395355000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	226000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	447000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	85000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	40000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	35000	USD
CY2020Q3	wsr	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	23000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	856000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	37000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	819000	USD
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	253000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	245000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	809000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	740000	USD
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P1Y10M24D
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.045
CY2020Q3	wsr	Tenant Receivables TenantReceivables	22944000	USD
CY2019Q4	wsr	Tenant Receivables TenantReceivables	16741000	USD
CY2020Q3	wsr	Accrued Rent And Other Recoveries AccruedRentAndOtherRecoveries	15926000	USD
CY2019Q4	wsr	Accrued Rent And Other Recoveries AccruedRentAndOtherRecoveries	16983000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	15465000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	11173000	USD
CY2020Q3	us-gaap	Other Receivables OtherReceivables	199000	USD
CY2019Q4	us-gaap	Other Receivables OtherReceivables	303000	USD
CY2020Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	23604000	USD
CY2019Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	22854000	USD
CY2020Q3	us-gaap	Accumulated Amortization Of Other Deferred Costs AccumulatedAmortizationOfOtherDeferredCosts	206000	USD
CY2020Q3	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	10320000	USD
CY2019Q4	us-gaap	Deferred Costs Leasing Gross DeferredCostsLeasingGross	9868000	USD
CY2020Q3	wsr	Deferred Legal Cost DeferredLegalCost	374000	USD
CY2019Q4	wsr	Deferred Legal Cost DeferredLegalCost	393000	USD
CY2020Q3	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	3898000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	3908000	USD
CY2020Q3	wsr	Unamortized Lease Commissions And Loan Costs Gross UnamortizedLeaseCommissionsAndLoanCostsGross	14592000	USD
CY2019Q4	wsr	Unamortized Lease Commissions And Loan Costs Gross UnamortizedLeaseCommissionsAndLoanCostsGross	14169000	USD
CY2020Q3	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	4807000	USD
CY2019Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	4200000	USD
CY2019Q4	us-gaap	Accumulated Amortization Of Other Deferred Costs AccumulatedAmortizationOfOtherDeferredCosts	179000	USD
CY2020Q3	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	1497000	USD
CY2019Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	830000	USD
CY2020Q3	wsr	Unamortized Lease Commissions And Loan Costs Net UnamortizedLeaseCommissionsAndLoanCostsNet	8082000	USD
CY2019Q4	wsr	Unamortized Lease Commissions And Loan Costs Net UnamortizedLeaseCommissionsAndLoanCostsNet	8960000	USD
CY2020Q3	us-gaap	Equity Method Investments EquityMethodInvestments	34849000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	34097000	USD
CY2020Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	667547000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	645896000	USD
CY2020Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1031000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1197000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	666516000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	644699000	USD
CY2020Q3	us-gaap	Secured Debt SecuredDebt	161000000.0	USD
CY2020Q3	wsr	Number Of Collateralized Properties NumberOfCollateralizedProperties	7	property
CY2020Q3	wsr	Carrying Value Of Collateralized Properties CarryingValueOfCollateralizedProperties	251700000	USD
CY2020Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	964000	USD
CY2020Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	2762000	USD
CY2020Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	102170000	USD
CY2020Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	167363000	USD
CY2020Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	228573000	USD
CY2020Q3	wsr	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	165715000	USD
CY2020Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	667547000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	914000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1849000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2980000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	7391000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	14000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	42000	USD
	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	58000	USD
	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	168000	USD
CY2020Q3	wsr	Distributions Paid On Unvested Restricted Shares DistributionsPaidOnUnvestedRestrictedShares	0	USD
CY2019Q3	wsr	Distributions Paid On Unvested Restricted Shares DistributionsPaidOnUnvestedRestrictedShares	0	USD
	wsr	Distributions Paid On Unvested Restricted Shares DistributionsPaidOnUnvestedRestrictedShares	0	USD
	wsr	Distributions Paid On Unvested Restricted Shares DistributionsPaidOnUnvestedRestrictedShares	41000	USD
CY2020Q3	wsr	Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest Excluding Amounts Attributableto Unvested Restricted Shares IncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterestExcludingAmountsAttributabletoUnvestedRestrictedShares	900000	USD
CY2019Q3	wsr	Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest Excluding Amounts Attributableto Unvested Restricted Shares IncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterestExcludingAmountsAttributabletoUnvestedRestrictedShares	1807000	USD
	wsr	Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest Excluding Amounts Attributableto Unvested Restricted Shares IncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterestExcludingAmountsAttributabletoUnvestedRestrictedShares	2922000	USD
	wsr	Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest Excluding Amounts Attributableto Unvested Restricted Shares IncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterestExcludingAmountsAttributabletoUnvestedRestrictedShares	7182000	USD
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	701000	USD
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	16000	USD
CY2020Q3	wsr	Income Loss From Discontinued Operations Net Of Tax Including Portion Attributable To Noncontrolling Interest Excluding Amounts Attributable To Unvested Restricted Shares IncomeLossFromDiscontinuedOperationsNetOfTaxIncludingPortionAttributableToNoncontrollingInterestExcludingAmountsAttributableToUnvestedRestrictedShares	0	USD
CY2019Q3	wsr	Income Loss From Discontinued Operations Net Of Tax Including Portion Attributable To Noncontrolling Interest Excluding Amounts Attributable To Unvested Restricted Shares IncomeLossFromDiscontinuedOperationsNetOfTaxIncludingPortionAttributableToNoncontrollingInterestExcludingAmountsAttributableToUnvestedRestrictedShares	0	USD
	wsr	Income Loss From Discontinued Operations Net Of Tax Including Portion Attributable To Noncontrolling Interest Excluding Amounts Attributable To Unvested Restricted Shares IncomeLossFromDiscontinuedOperationsNetOfTaxIncludingPortionAttributableToNoncontrollingInterestExcludingAmountsAttributableToUnvestedRestrictedShares	0	USD
	wsr	Income Loss From Discontinued Operations Net Of Tax Including Portion Attributable To Noncontrolling Interest Excluding Amounts Attributable To Unvested Restricted Shares IncomeLossFromDiscontinuedOperationsNetOfTaxIncludingPortionAttributableToNoncontrollingInterestExcludingAmountsAttributableToUnvestedRestrictedShares	685000	USD
CY2020Q3	wsr	Net Income Loss Attributable To Parent Excluding Amounts Attributable To Unvested Restricted Shares Total NetIncomeLossAttributableToParentExcludingAmountsAttributableToUnvestedRestrictedSharesTotal	900000	USD
CY2019Q3	wsr	Net Income Loss Attributable To Parent Excluding Amounts Attributable To Unvested Restricted Shares Total NetIncomeLossAttributableToParentExcludingAmountsAttributableToUnvestedRestrictedSharesTotal	1807000	USD
	wsr	Net Income Loss Attributable To Parent Excluding Amounts Attributable To Unvested Restricted Shares Total NetIncomeLossAttributableToParentExcludingAmountsAttributableToUnvestedRestrictedSharesTotal	2922000	USD
	wsr	Net Income Loss Attributable To Parent Excluding Amounts Attributable To Unvested Restricted Shares Total NetIncomeLossAttributableToParentExcludingAmountsAttributableToUnvestedRestrictedSharesTotal	7867000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42346000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40187000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42202000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39942000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1094000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1259000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	838000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1142000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43440000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41446000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43040000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41084000	shares
CY2020Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.02
CY2019Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.04
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.07
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Basic Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerBasicShare	0.18
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2020Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.02
CY2019Q3	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.04
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.07
	wsr	Income Loss From Continuing Operations Excluding Amounts Attributable To Unvested Restricted Shares Per Diluted Share IncomeLossFromContinuingOperationsExcludingAmountsAttributableToUnvestedRestrictedSharesPerDilutedShare	0.17
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.04
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2020Q3	wsr	Conversion Ratio For Class Common Stock To Op Unit ConversionRatioForClassCommonStockToOPUnit	1	shares
CY2020Q3	wsr	Conversion Ratio For Class Common Stock To Op Unit ConversionRatioForClassCommonStockToOPUnit	1	shares
CY2020Q3	wsr	Weighted Average Share Ownership In Operating Partnership WeightedAverageShareOwnershipInOperatingPartnership	0.982
CY2019Q3	wsr	Weighted Average Share Ownership In Operating Partnership WeightedAverageShareOwnershipInOperatingPartnership	0.977
	wsr	Weighted Average Share Ownership In Operating Partnership WeightedAverageShareOwnershipInOperatingPartnership	0.981
	wsr	Weighted Average Share Ownership In Operating Partnership WeightedAverageShareOwnershipInOperatingPartnership	0.977
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1645000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1719000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4167000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4770000	USD
	wsr	Accounts Receivable Credit Loss Expense Reversal Number Of Tenants Covid19 AccountsReceivableCreditLossExpenseReversalNumberOfTenantsCOVID19	84	tenant
CY2020Q3	wsr	Contractual Base Rent And Common Area Maintenance Reimbursables Billed Percentage ContractualBaseRentAndCommonAreaMaintenanceReimbursablesBilledPercentage	0.90
	us-gaap	Interest Expense InterestExpense	19561000	USD
	us-gaap	Interest Expense InterestExpense	19738000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-882000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-115000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	206000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	550000	USD

Files In Submission

Name	View Source	Status
0001175535-20-000126-index-headers.html	Edgar Link	pending
0001175535-20-000126-index.html	Edgar Link	pending
0001175535-20-000126.txt	Edgar Link	pending
0001175535-20-000126-xbrl.zip	Edgar Link	pending
exhibit101timevested.htm	Edgar Link	pending
exhibit102perfvest.htm	Edgar Link	pending
exhibit3112020-09.htm	Edgar Link	pending
exhibit3122020-09.htm	Edgar Link	pending
exhibit3212020-09.htm	Edgar Link	pending
exhibit3222020-09.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
wsr-20200930.htm	Edgar Link	pending
wsr-20200930.xsd	Edgar Link	pending
wsr-20200930_cal.xml	Edgar Link	unprocessable
wsr-20200930_def.xml	Edgar Link	unprocessable
wsr-20200930_htm.xml	Edgar Link	completed
wsr-20200930_lab.xml	Edgar Link	unprocessable
wsr-20200930_pre.xml	Edgar Link	unprocessable

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$WSR
Whitestone REIT Stock $wsr

2020 Q4 Form 10-Q Financial Statement

#000117553520000126 Filed on October 30, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WSR Whitestone REIT Stock $wsr

2020 Q4 Form 10-Q Financial Statement

#000117553520000126 Filed on October 30, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WSR
Whitestone REIT Stock $wsr