XML 105 R3.htm IDEA: XBRL DOCUMENT v2.4.1.9
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Real estate owned:    
Real estate under development, accumulated depreciation $ 0udr_RealEstateUnderDevelopmentAccumulatedDepreciation $ 1,411udr_RealEstateUnderDevelopmentAccumulatedDepreciation
Real estate held for sale, accumulated depreciation $ 0udr_AccumulatedDepreciationOfAssetsOfDisposalGroupIncludingDiscontinuedOperations $ 6,568udr_AccumulatedDepreciationOfAssetsOfDisposalGroupIncludingDiscontinuedOperations
Preferred stock, par or state value per share $ 0us-gaap_PreferredStockParOrStatedValuePerShare $ 0us-gaap_PreferredStockParOrStatedValuePerShare
Equity    
Preferred stock, shares authorized 50,000,000us-gaap_PreferredStockSharesAuthorized 50,000,000us-gaap_PreferredStockSharesAuthorized
Common stock, par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 350,000,000us-gaap_CommonStockSharesAuthorized 350,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 255,114,603us-gaap_CommonStockSharesIssued 250,749,665us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 255,114,603us-gaap_CommonStockSharesOutstanding 250,749,665us-gaap_CommonStockSharesOutstanding
8.00% Series E Cumulative Convertible Preferred Stock    
Equity    
Preferred stock, shares issued 2,803,812us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesEPreferredStockMember		 2,803,812us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesEPreferredStockMember
Preferred stock, shares outstanding 2,803,812us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesEPreferredStockMember		 2,803,812us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesEPreferredStockMember
6.75% Series G Cumulative Redeemable Preferred Stock    
Equity    
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesGPreferredStockMember