Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues:
Rentals, net	$ 503,128	$ 477,340	$ 439,993
Other	11,278us-gaap_OtherRealEstateRevenue	11,855us-gaap_OtherRealEstateRevenue	11,184us-gaap_OtherRealEstateRevenue
Total	514,406us-gaap_RealEstateRevenueNet	489,195us-gaap_RealEstateRevenueNet	451,177us-gaap_RealEstateRevenueNet
Expenses:
Depreciation and amortization	150,356	146,763	127,703
Operating	95,318us-gaap_OtherCostAndExpenseOperating	97,099us-gaap_OtherCostAndExpenseOperating	88,924us-gaap_OtherCostAndExpenseOperating
Real estate taxes, net	60,768us-gaap_RealEstateTaxExpense	57,515us-gaap_RealEstateTaxExpense	52,066us-gaap_RealEstateTaxExpense
Impairment loss	1,024	2,579	9,585
General and administrative	24,902us-gaap_GeneralAndAdministrativeExpense	25,371us-gaap_GeneralAndAdministrativeExpense	28,538us-gaap_GeneralAndAdministrativeExpense
Total	332,368wri_CostofRevenueandOperatingExpenses	329,327wri_CostofRevenueandOperatingExpenses	306,816wri_CostofRevenueandOperatingExpenses
Operating Income	182,038us-gaap_OperatingIncomeLoss	159,868us-gaap_OperatingIncomeLoss	144,361us-gaap_OperatingIncomeLoss
Interest Expense, net	(94,725)us-gaap_InterestAndDebtExpense	(96,312)us-gaap_InterestAndDebtExpense	(106,248)us-gaap_InterestAndDebtExpense
Interest and Other Income, net	3,756us-gaap_InvestmentIncomeNet	7,685us-gaap_InvestmentIncomeNet	6,047us-gaap_InvestmentIncomeNet
Gain on Sale and Acquisition of Real Estate Joint Venture and Partnership Interests	1,718	33,670	14,203
Equity in Earnings (Losses) of Real Estate Joint Ventures and Partnerships, net	22,317	35,112	(1,558)
Benefit (Provision) for Income Taxes	1,261us-gaap_IncomeTaxExpenseBenefit	(7,046)us-gaap_IncomeTaxExpenseBenefit	75us-gaap_IncomeTaxExpenseBenefit
Income from Continuing Operations	116,365	132,977	56,880
Operating Income from Discontinued Operations	342	12,214	25,918
Gain on Sale of Property from Discontinued Operations	44,582	119,203	68,619
Income from Discontinued Operations	44,924	131,417	94,537
Gain on Sale of Property	146,290	762	1,004
Net Income	307,579us-gaap_ProfitLoss	265,156us-gaap_ProfitLoss	152,421us-gaap_ProfitLoss
Less: Net Income Attributable to Noncontrolling Interests	(19,571)	(44,894)	(5,781)
Net Income Adjusted for Noncontrolling Interests	288,008us-gaap_NetIncomeLoss	220,262us-gaap_NetIncomeLoss	146,640us-gaap_NetIncomeLoss
Dividends on Preferred Shares	(10,840)	(18,173)	(34,930)
Redemption Costs of Preferred Shares	0	(17,944)	(2,500)
Net Income Attributable to Common Shareholders	$ 277,168	$ 184,145	$ 109,210
Earnings Per Common Share - Basic:
Income from continuing operations attributable to common shareholders	$ 1.91	$ 0.76	$ 0.13
Income from discontinued operations	$ 0.37	$ 0.76	$ 0.77
Net income attributable to common shareholders	$ 2.28us-gaap_EarningsPerShareBasic	$ 1.52us-gaap_EarningsPerShareBasic	$ 0.90us-gaap_EarningsPerShareBasic
Earnings Per Common Share - Diluted:
Income from continuing operations attributable to common shareholders	$ 1.89	$ 0.75	$ 0.13
Income from discontinued operations	$ 0.36	$ 0.75	$ 0.77
Net income attributable to common shareholders	$ 2.25us-gaap_EarningsPerShareDiluted	$ 1.50us-gaap_EarningsPerShareDiluted	$ 0.90us-gaap_EarningsPerShareDiluted

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