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JOINT VENTURES AND PARTNERSHIPS - Summary (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) home community property | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) home community property | Sep. 30, 2021 USD ($) | Jul. 31, 2022 USD ($) home | Jun. 30, 2022 USD ($) home | Apr. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) home | Dec. 31, 2021 USD ($)
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of real estate properties | community | 164 |  | 164 |  |  |  |  |  |
Investment in unconsolidated entities | $ 754,123 |  | $ 754,123 |  |  |  |  |  | $ 696,376
Sold joint ventures and other investments |  | $ 416 |  | $ 3,964 |  |  |  |  |
Income/(loss) from investments | $ 10,003 | 14,450 | $ 4,186 | 29,123 |  |  |  |  |
Preferred Equity Investment 1532 Harrison San Francisco, CA |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of apartment homes | home | 136 |  | 136 |  |  |  |  |  |
Unpaid balance of defaulted loan | $ 47,200 |  | $ 47,200 |  |  |  |  |  |
Preferred Equity Investment Meetinghouse Portland, OR |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of apartment homes | home |  |  |  |  |  |  |  | 232 |
Investment in unconsolidated entities |  |  |  |  |  |  |  | $ 11,600 |
Rate |  |  |  |  |  |  |  | 8.25% |
Preferred Equity Investment Heirloom Portland, OR |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of apartment homes | home |  |  |  |  |  | 286 |  |  |
Investment in unconsolidated entities |  |  |  |  |  | $ 16,200 |  |  |
Rate |  |  |  |  |  | 8.25% |  |  |
Real estate technology investments RET ESG |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities |  |  |  |  |  |  | $ 4,000 |  |
UDR Commitment |  |  |  |  |  |  | $ 10,000 |  |
Operating Community |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 253,342 |  | 253,342 |  |  |  |  |  | 270,915
Income/(loss) from investments | $ (1,827) | (3,756) | $ (6,266) | (14,659) |  |  |  |  |
Operating Community | Unconsolidated Joint Venture UDR Met Life I |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of real estate properties | property | 1 |  | 1 |  |  |  |  |  |
Number of apartment homes | home | 150 |  | 150 |  |  |  |  |  |
Investment in unconsolidated entities | $ 21,532 |  | $ 21,532 |  |  |  |  |  | $ 23,880
UDR's Ownership Interest | 50.00% |  | 50.00% |  |  |  |  |  | 50.00%
Income/(loss) from investments | $ (423) | (608) | $ (1,556) | (1,922) |  |  |  |  |
Operating Community | Unconsolidated Joint Venture UDR MetLife II |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of real estate properties | property | 7 |  | 7 |  |  |  |  |  |
Number of apartment homes | home | 1,250 |  | 1,250 |  |  |  |  |  |
Investment in unconsolidated entities | $ 176,191 |  | $ 176,191 |  |  |  |  |  | $ 181,023
UDR's Ownership Interest | 50.00% |  | 50.00% |  |  |  |  |  | 50.00%
Income/(loss) from investments | $ 295 | (289) | $ 811 | (3,126) |  |  |  |  |
Operating Community | Unconsolidated Joint Venture Other MetLife |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of real estate properties | property | 5 |  | 5 |  |  |  |  |  |
Number of apartment homes | home | 1,437 |  | 1,437 |  |  |  |  |  |
Investment in unconsolidated entities | $ 55,619 |  | $ 55,619 |  |  |  |  |  | $ 66,012
UDR's Ownership Interest | 50.60% |  | 50.60% |  |  |  |  |  | 50.60%
Income/(loss) from investments | $ (1,699) | (2,859) | $ (5,521) | (9,611) |  |  |  |  |
Development Community | Preferred Equity Investment 1532 Harrison San Francisco, CA |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities |  |  |  |  |  |  |  |  | $ 35,248
Income/(loss) from investments | 5,158 | 1,003 | 5,152 | 2,896 |  |  |  |  |
Development Community | Preferred Equity Investment 1641 Lincoln Santa Monica CA |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 14,415 |  | 14,415 |  |  |  |  |  | 13,183
UDR Commitment | $ 8,800 |  | $ 8,800 |  |  |  |  |  |
Rate | 12.00% |  | 12.00% |  |  |  |  |  |
Years to Maturity |  |  | 2 months 12 days |  |  |  |  |  |
Income/(loss) from investments | $ 428 | 379 | $ 1,232 | 1,093 |  |  |  |  |
Development Community | Preferred Equity Investment 1200 Broadway Nashville TN |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities |  |  |  |  |  |  |  |  | 61,326
Income/(loss) from investments |  | 1,837 | 11,893 | 4,936 |  |  |  |  |
Development Community | Preferred Equity Investment 1300 Fairmount Philadelphia, PA |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 69,013 |  | 69,013 |  |  |  |  |  | 64,780
UDR Commitment | $ 51,393 |  | $ 51,393 |  |  |  |  |  |
Rate | 8.50% |  | 8.50% |  |  |  |  |  |
Years to Maturity |  |  | 1 year |  |  |  |  |  |
Income/(loss) from investments | $ 1,457 | 1,338 | $ 4,233 | 3,869 |  |  |  |  |
Development Community | Preferred Equity Investment Modera Lake Merritt, Oakland |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 34,073 |  | 34,073 |  |  |  |  |  | 33,828
UDR Commitment | $ 27,250 |  | $ 27,250 |  |  |  |  |  |
Rate | 9.00% |  | 9.00% |  |  |  |  |  |
Years to Maturity |  |  | 1 year 7 months 6 days |  |  |  |  |  |
Income/(loss) from investments | $ (1,283) | 739 | $ 246 | 2,144 |  |  |  |  |
Development Community | Preferred Equity Investment Thousand Oaks, CA |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 24,342 |  | 24,342 |  |  |  |  |  | 22,764
UDR Commitment | $ 20,059 |  | $ 20,059 |  |  |  |  |  |
Rate | 9.00% |  | 9.00% |  |  |  |  |  |
Years to Maturity |  |  | 2 years 4 months 24 days |  |  |  |  |  |
Income/(loss) from investments | $ 544 | 497 | $ 1,578 | 1,415 |  |  |  |  |
Development Community | Preferred Equity Investment Queens, New York |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 53,104 |  | 53,104 |  |  |  |  |  | 48,210
UDR Commitment | $ 40,000 |  | $ 40,000 |  |  |  |  |  |
Rate | 13.00% |  | 13.00% |  |  |  |  |  |
Years to Maturity |  |  | 2 years 9 months 18 days |  |  |  |  |  |
Income/(loss) from investments | $ 1,693 | 1,496 | $ 4,885 | 4,300 |  |  |  |  |
Development Community | Preferred Equity Investment Herndon, Virginia |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 33,299 |  | 33,299 |  |  |  |  |  | 22,828
UDR Commitment | $ 30,208 |  | $ 30,208 |  |  |  |  |  |
Rate | 9.00% |  | 9.00% |  |  |  |  |  |
Years to Maturity |  |  | 3 years 3 months 18 days |  |  |  |  |  |
Income/(loss) from investments | $ 743 | 251 | $ 2,105 | 519 |  |  |  |  |
Development Community | Preferred Equity Investment Allen, Texas |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 22,009 |  | 22,009 |  |  |  |  |  | 14,134
UDR Commitment | $ 19,843 |  | $ 19,843 |  |  |  |  |  |
Rate | 9.00% |  | 9.00% |  |  |  |  |  |
Years to Maturity |  |  | 3 years 6 months |  |  |  |  |  |
Income/(loss) from investments | $ 490 | 234 | $ 1,359 | 462 |  |  |  |  |
Development Community | Preferred Equity Investment Infield Phase I |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 17,201 |  | 17,201 |  |  |  |  |  |
UDR Commitment | $ 16,044 |  | $ 16,044 |  |  |  |  |  |
Rate | 14.00% |  | 14.00% |  |  |  |  |  |
Years to Maturity |  |  | 1 year 7 months 6 days |  |  |  |  |  |
Income/(loss) from investments | $ 593 |  | $ 1,129 |  |  |  |  |  |
Development Community | Preferred Equity Investment Upton Place, Washington, D C |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 55,465 |  | 55,465 |  |  |  |  |  | 29,566
UDR Commitment | $ 52,163 |  | $ 52,163 |  |  |  |  |  |
Rate | 9.70% |  | 9.70% |  |  |  |  |  |
Years to Maturity |  |  | 5 years 2 months 12 days |  |  |  |  |  |
Income/(loss) from investments | $ 1,316 |  | $ 3,061 |  |  |  |  |  |
Development Community | Preferred Equity Investment Meetinghouse Portland, OR |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 12,007 |  | 12,007 |  |  |  |  |  |
UDR Commitment | $ 11,600 |  | $ 11,600 |  |  |  |  |  |
Rate | 8.25% |  | 8.25% |  |  |  |  |  |
Years to Maturity |  |  | 4 years 4 months 24 days |  |  |  |  |  |
Income/(loss) from investments | $ 239 |  | $ 466 |  |  |  |  |  |
Development Community | Preferred Equity Investment Heirloom Portland, OR |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 16,539 |  | 16,539 |  |  |  |  |  |
UDR Commitment | $ 16,185 |  | $ 16,185 |  |  |  |  |  |
Rate | 8.25% |  | 8.25% |  |  |  |  |  |
Years to Maturity |  |  | 4 years 8 months 12 days |  |  |  |  |  |
Income/(loss) from investments | $ 332 |  | $ 347 |  |  |  |  |  |
Development Community | Real estate technology investments RETV I |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 25,639 |  | 25,639 |  |  |  |  |  | 71,464
UDR Commitment | 18,000 |  | 18,000 |  |  |  |  |  |
Income/(loss) from investments | (1,458) | 9,869 | (28,009) | 17,975 |  |  |  |  |
Development Community | Real estate technology investments RETV II |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 9,607 |  | 9,607 |  |  |  |  |  | 8,130
UDR Commitment | 18,000 |  | 18,000 |  |  |  |  |  |
Income/(loss) from investments | 122 | 147 | (603) | 209 |  |  |  |  |
Development Community | Real estate technology investments RET Strategic Fund |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 7,435 |  | 7,435 |  |  |  |  |  |
UDR Commitment | 25,000 |  | 25,000 |  |  |  |  |  |
Income/(loss) from investments | (37) |  | (115) |  |  |  |  |  |
Development Community | Real estate technology investments RET ESG |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 3,959 |  | 3,959 |  |  |  |  |  |
UDR Commitment | 10,000 |  | 10,000 |  |  |  |  |  |
Income/(loss) from investments | (72) |  | (72) |  |  |  |  |  |
Development Community | Preferred Equity Investments and Real Estate Technology Investments |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Investment in unconsolidated entities | 500,781 |  | 500,781 |  |  |  |  |  | $ 425,461
Income/(loss) from investments | 11,830 | $ 17,790 | 10,452 | $ 39,818 |  |  |  |  |
Development Community | Portfolio Recapitalization |  |  |  |  |  |  |  |  |
Unconsolidated entities |  |  |  |  |  |  |  |  |
Number of apartment homes | home |  |  |  |  | 14 |  |  |  |
Investment in unconsolidated entities | 102,674 |  | 102,674 |  | $ 102,000 |  |  |  |
UDR Commitment | $ 102,000 |  | $ 102,000 |  |  |  |  |  |
Rate | 8.00% |  | 8.00% |  | 8.00% |  |  |  |
Years to Maturity |  |  | 6 years 8 months 12 days |  |  |  |  |  |
Income/(loss) from investments | $ 1,565 |  | $ 1,565 |  |  |  |  |  |

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