Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenues:
Rentals, net	$ 122,658	$ 124,633
Other	2,941us-gaap_OtherRealEstateRevenue	2,959us-gaap_OtherRealEstateRevenue
Total	125,599us-gaap_RealEstateRevenueNet	127,592us-gaap_RealEstateRevenueNet
Expenses:
Depreciation and amortization	36,151	40,624
Operating	22,585us-gaap_OtherCostAndExpenseOperating	24,615us-gaap_OtherCostAndExpenseOperating
Real estate taxes, net	14,627us-gaap_RealEstateTaxExpense	14,649us-gaap_RealEstateTaxExpense
General and administrative	7,372us-gaap_GeneralAndAdministrativeExpense	5,913us-gaap_GeneralAndAdministrativeExpense
Total	80,735wri_CostofRevenueandOperatingExpenses	85,801wri_CostofRevenueandOperatingExpenses
Operating Income	44,864us-gaap_OperatingIncomeLoss	41,791us-gaap_OperatingIncomeLoss
Interest Expense, net	(26,458)us-gaap_InterestAndDebtExpense	(24,580)us-gaap_InterestAndDebtExpense
Interest and Other Income, net	2,722us-gaap_InvestmentIncomeNet	1,994us-gaap_InvestmentIncomeNet
Gain on Sale and Acquisition of Real Estate Joint Venture and Partnership Interests	861	0
Equity in Earnings of Real Estate Joint Ventures and Partnerships, net	5,372	4,402
Provision for Income Taxes	(661)us-gaap_IncomeTaxExpenseBenefit	(480)us-gaap_IncomeTaxExpenseBenefit
Income from Continuing Operations	26,700	23,127
Operating Income from Discontinued Operations	0	279
Gain on Sale of Property from Discontinued Operations	0	41,212
Income from Discontinued Operations	0	41,491
Gain on Sale of Property	22,522	163
Net Income	49,222us-gaap_ProfitLoss	64,781us-gaap_ProfitLoss
Less: Net Income Attributable to Noncontrolling Interests	(1,575)	(1,478)
Net Income Adjusted for Noncontrolling Interests	47,647us-gaap_NetIncomeLoss	63,303us-gaap_NetIncomeLoss
Dividends on Preferred Shares	(2,710)	(2,710)
Net Income Attributable to Common Shareholders	$ 44,937	$ 60,593
Earnings Per Common Share - Basic:
Income from continuing operations attributable to common shareholders (dollars per share)	$ 0.37	$ 0.16
Income from discontinued operations (dollars per share)	$ 0.00	$ 0.34
Net income attributable to common shareholders (dollars per share)	$ 0.37us-gaap_EarningsPerShareBasic	$ 0.50us-gaap_EarningsPerShareBasic
Earnings Per Common Share - Diluted:
Income from continuing operations attributable to common shareholders (dollars per share)	$ 0.36	$ 0.15
Income from discontinued operations (dollars per share)	$ 0.00	$ 0.34
Net income attributable to common shareholders (dollars per share)	$ 0.36us-gaap_EarningsPerShareDiluted	$ 0.49us-gaap_EarningsPerShareDiluted

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