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'Monetary' elements on report '2415404 - Disclosure - Derivatives and Hedging Activity (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '2415406 - Disclosure - Derivatives and Hedging Activity (Details Textual)' had a mix of different decimal attribute values. 'Monetary' elements on report '2416404 - Disclosure - Commitments and Contingencies (Details Textual)' had a mix of different decimal attribute values. 'Monetary' elements on report '2417402 - Disclosure - Reportable Segments (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2418401 - Disclosure - Hurricane Related Charges (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2424402 - Disclosure - Significant Accounting Policies (UNITED DOMINION REALTY, L.P.) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2425403 - Disclosure - Real Estate Owned (UNITED DOMINION REALTY, L.P.) (Details Textual)' had a mix of different decimal attribute values. 'Monetary' elements on report '2426402 - Disclosure - Discontinued Operations (UNITED DOMINION REALTY, L.P.) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2427405 - Disclosure - Debt (UNITED DOMINION REALTY, L.P.) (Details Textual)' had a mix of different decimal attribute values. 'Monetary' elements on report '2428401 - Disclosure - Related Party Transactions (UNITED DOMINION REALTY, L.P.) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2430404 - Disclosure - Derivatives and Hedging Activity (UNITED DOMINION REALTY, L.P.) (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '2430407 - Disclosure - Derivatives and Hedging Activity (UNITED DOMINION REALTY, L.P.) (Details Textual)' had a mix of different decimal attribute values. 'Monetary' elements on report '2433402 - Disclosure - Commitments and Contingencies (UNITED DOMINION REALTY, L.P.) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2434402 - Disclosure - Reportable Segments (UNITED DOMINION REALTY, L.P.) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2435401 - Disclosure - Hurricane Related Charges (UNITED DOMINION REALTY, L.P.) (Details)' had a mix of different decimal attribute values. Process Flow-Through: 1001000 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'May 31, 2007' Process Flow-Through: 1002000 - Statement - Consolidated Statements of Operations (Unaudited) Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: 1003000 - Statement - Consolidated Statements of Comprehensive Income / (Loss) Process Flow-Through: 1004501 - Statement - Consolidated Statements of Changes in Equity (Parenthetical) Process Flow-Through: 1005000 - Statement - Consolidated Statements of Cash Flows (Unaudited) Process Flow-Through: 1005501 - Statement - Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) Process Flow-Through: 1006000 - Statement - Consolidated Balance Sheets (UNITED DOMINION REALTY, L.P) Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 1006501 - Statement - Consolidated Balance Sheets (UNITED DOMINION REALTY, L.P) (Parenthetical) Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 1007000 - Statement - Consolidated Statements of Operations (UNITED DOMINION REALTY, L.P) Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: Removing column '9 Months Ended Sep. 30, 2013' Process Flow-Through: 1008000 - Statement - Consolidated Statements of Comprehensive Income / (Loss) (UNITED DOMINION REALTY, L.P.) 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