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FAIR VALUE OF DERIVATIVES AND FINANCIAL INSTRUMENTS (UNITED DOMINION REALTY, L.P.) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Debt instruments - fair value |  |
Transfer between the levels | $ 0 |
Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Total assets | 155,964 | $ 153,656
Total liabilities | 4,793,871 | 4,731,595
Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Total assets | 166,017 | 160,203
Total liabilities | 5,059,174 | 4,853,337
Interest rate contracts | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 8 | 6
Interest rate contracts | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 8 | 6
Level 2 | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Total assets | 8 | 6
Total liabilities | 2,414 | 142
Level 2 | Interest rate contracts | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 8 | 6
Level 3 | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Total assets | 166,009 | 160,197
Total liabilities | 5,056,760 | 4,853,195
United Dominion Realty L.P. | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Total assets | 8 |
Total liabilities | 755,119 | 736,733
United Dominion Realty L.P. | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Total assets | 8 |
Total liabilities | 760,628 | 736,209
United Dominion Realty L.P. | Mortgages Note Payable | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Fair value |  | 72,500
United Dominion Realty L.P. | Mortgages Note Payable | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value |  | 71,976
United Dominion Realty L.P. | Interest rate contracts | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 8 |
United Dominion Realty L.P. | Interest rate contracts | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 8 |
United Dominion Realty L.P. | Notes payable due to the General Partner | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Fair value | 655,619 | 637,233
United Dominion Realty L.P. | Notes payable due to the General Partner | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value | 655,619 | 637,233
United Dominion Realty L.P. | Level 2 | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Total assets | 8 |
United Dominion Realty L.P. | Level 2 | Interest rate contracts | Fair Value, Measurements, Recurring |  |
Debt instruments - fair value |  |
Derivative Asset Designated as Hedging Instrument, Fair Value | 8 |
United Dominion Realty L.P. | Level 3 | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Total liabilities | 760,628 | 736,209
United Dominion Realty L.P. | Level 3 | Mortgages Note Payable | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value |  | 71,976
United Dominion Realty L.P. | Level 3 | Notes payable due to the General Partner | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value | 655,619 | 637,233
Fixed Rate Debt | United Dominion Realty L.P. | Mortgages Note Payable | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Fair value | 72,500 |
Fixed Rate Debt | United Dominion Realty L.P. | Mortgages Note Payable | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value | 78,009 |
Fixed Rate Debt | United Dominion Realty L.P. | Level 3 | Mortgages Note Payable | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value | 78,009 |
Variable Rate Debt | United Dominion Realty L.P. | Tax-exempt secured notes payable | Fair Value, Measurements, Recurring | Carrying Amount |  |
Debt instruments - fair value |  |
Fair value | 27,000 | 27,000
Variable Rate Debt | United Dominion Realty L.P. | Tax-exempt secured notes payable | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value | 27,000 | 27,000
Variable Rate Debt | United Dominion Realty L.P. | Level 3 | Tax-exempt secured notes payable | Fair Value, Measurements, Recurring | Fair Value |  |
Debt instruments - fair value |  |
Fair value | $ 27,000 | $ 27,000

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