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REPORTABLE SEGMENTS (UNITED DOMINION REALTY, L.P.) (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2020 USD ($) segment | Mar. 31, 2020 USD ($) item | Mar. 31, 2020 USD ($) | Mar. 31, 2020 USD ($) home | Mar. 31, 2019 USD ($) item | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Segments |  |  |  |  |  |  |  |
Same store communities |  |  | 37,910 |  | 37,910 | 37,910 |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Rental income |  |  |  | $ 320,093 |  | $ 267,922 |  |
Reconciling items: |  |  |  |  |  |  |  |
Property management |  |  |  | (9,203) |  | (7,703) |  |
Other operating expenses |  |  |  | (4,966) |  | (5,646) |  |
Real estate depreciation and amortization |  |  |  | (155,476) |  | (112,468) |  |
General and administrative |  |  |  | (14,978) |  | (12,467) |  |
Casualty-related (charges)/recoveries, net |  |  |  | (1,251) |  |  |  |
Income/(loss) from unconsolidated entities |  |  |  | 3,367 |  | 49 |  |
Interest expense |  |  |  | (39,317) |  | (33,542) |  |
Net (income)/loss attributable to noncontrolling interests |  |  |  | (6) |  | (42) |  |
Net income/(loss) attributable to OP unitholders |  |  |  | 5,221 |  | 24,503 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | $ 12,817,998 | $ 12,817,998 | $ 12,817,998 | 12,817,998 | $ 12,817,998 |  | $ 12,602,101 |
Accumulated depreciation | (4,272,471) | (4,272,471) | (4,272,471) | (4,272,471) | (4,272,471) |  | (4,131,353) |
Total real estate owned, net of accumulated depreciation | 8,545,527 | 8,545,527 | 8,545,527 | 8,545,527 | 8,545,527 |  | 8,470,748 |
Total segment asset - net book value | 8,545,527 | 8,545,527 | 8,545,527 | 8,545,527 | 8,545,527 |  | 8,470,748 |
Reconciling items: |  |  |  |  |  |  |  |
Cash and cash equivalents | 980 | 980 | 980 | 980 | 980 | 1,043 | 8,106 | $ 185,216
Restricted cash | 21,949 | 21,949 | 21,949 | 21,949 | 21,949 | 23,111 | 25,185 | 23,675
Investment in unconsolidated entities | 588,395 | 588,395 | 588,395 | 588,395 | 588,395 |  | 588,262 |
Operating lease right-of-use assets | 203,410 | 203,410 | 203,410 | 203,410 | 203,410 |  | 204,225 |
Other assets | 179,301 | 179,301 | 179,301 | 179,301 | 179,301 |  | 186,296 |
Total assets | $ 9,691,105 | $ 9,691,105 | 9,691,105 | 9,691,105 | 9,691,105 |  | 9,636,472 |
Reportable Segments |  |  |  |  |  |  |  |
Number of reportable segments | segment |  | 2 |  |  |  |  |  |
Condition for Community considered to have stabilized occupancy | 90% |  |  |  |  |  |  |
Time to maintain percent occupancy to be considered a community | 3 months |  |  |  |  |  |  |
Practical expedient, single lease component | true |  |  |  |  |  |  |
Same Store Communities West Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 102,616 |  | 98,633 |  |
Other revenue |  |  |  | 2,774 |  | 3,076 |  |
Rental income |  |  |  | 105,390 |  | 101,709 |  |
Reportable apartment home segment NOI |  |  |  | 79,823 |  | 76,984 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | $ 3,704,480 | $ 3,704,480 | 3,704,480 | 3,704,480 | 3,704,480 |  | 3,696,544 |
Same Store Communities Mid-Atlantic Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 56,085 |  | 54,300 |  |
Other revenue |  |  |  | 1,573 |  | 2,002 |  |
Rental income |  |  |  | 57,658 |  | 56,302 |  |
Reportable apartment home segment NOI |  |  |  | 40,377 |  | 39,179 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 2,356,688 | 2,356,688 | 2,356,688 | 2,356,688 | 2,356,688 |  | 2,350,341 |
Same Store Communities Northeast Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 30,942 |  | 30,193 |  |
Other revenue |  |  |  | 501 |  | 629 |  |
Rental income |  |  |  | 31,443 |  | 30,822 |  |
Reportable apartment home segment NOI |  |  |  | 20,614 |  | 20,977 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 1,501,767 | 1,501,767 | 1,501,767 | 1,501,767 | 1,501,767 |  | 1,500,597 |
Same Store Communities Southeast Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 30,677 |  | 29,531 |  |
Other revenue |  |  |  | 1,429 |  | 1,790 |  |
Rental income |  |  |  | 32,106 |  | 31,321 |  |
Reportable apartment home segment NOI |  |  |  | 22,617 |  | 22,010 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 810,984 | 810,984 | 810,984 | 810,984 | 810,984 |  | 806,830 |
Same Store Communities Southwest Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 16,626 |  | 16,077 |  |
Other revenue |  |  |  | 590 |  | 763 |  |
Rental income |  |  |  | 17,216 |  | 16,840 |  |
Reportable apartment home segment NOI |  |  |  | 11,056 |  | 10,328 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 603,082 | 603,082 | 603,082 | 603,082 | 603,082 |  | 600,350 |
Non-Mature communities/Other |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 74,676 |  | 30,169 |  |
Other revenue |  |  |  | 1,604 |  | 759 |  |
Rental income |  |  |  | 76,280 |  | 30,928 |  |
Reportable apartment home segment NOI |  |  |  | 50,978 |  | 20,205 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 3,840,997 | 3,840,997 | $ 3,840,997 | 3,840,997 | $ 3,840,997 |  | 3,647,439 |
Total Communities |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 311,622 |  | 258,903 |  |
Other revenue |  |  |  | 8,471 |  | 9,019 |  |
Rental income |  |  |  | 320,093 |  | 267,922 |  |
Reportable apartment home segment NOI |  |  |  | 225,465 |  | 189,683 |  |
United Dominion Realty L.P. |  |  |  |  |  |  |  |
Segments |  |  |  |  |  |  |  |
Same store communities |  |  | 15,941 |  | 15,941 |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Rental income |  |  |  | 112,165 |  | 108,334 |  |
Reconciling items: |  |  |  |  |  |  |  |
Property management |  |  |  | (3,225) |  | (2,979) |  |
Other operating expenses |  |  |  | (3,859) |  | (2,400) |  |
Real estate depreciation and amortization |  |  |  | (35,300) |  | (34,654) |  |
General and administrative |  |  |  | (5,308) |  | (4,661) |  |
Casualty-related (charges)/recoveries, net |  |  |  | 2 |  |  |  |
Income/(loss) from unconsolidated entities |  |  |  | (1,761) |  | (2,740) |  |
Interest expense |  |  |  | (7,464) |  | (7,371) |  |
Net (income)/loss attributable to noncontrolling interests |  |  |  | (522) |  | (388) |  |
Net income/(loss) attributable to OP unitholders |  |  |  | 24,118 |  | 23,946 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 3,886,613 | 3,886,613 | $ 3,886,613 | 3,886,613 | $ 3,886,613 |  | 3,875,160 |
Accumulated depreciation | (1,831,814) | (1,831,814) | (1,831,814) | (1,831,814) | (1,831,814) |  | (1,796,568) |
Total real estate owned, net of accumulated depreciation | 2,054,799 | 2,054,799 | 2,054,799 | 2,054,799 | 2,054,799 |  | 2,078,592 |
Total segment asset - net book value | 2,054,799 | 2,054,799 | 2,054,799 | 2,054,799 | 2,054,799 |  | 2,078,592 |
Reconciling items: |  |  |  |  |  |  |  |
Cash and cash equivalents | 40 | 40 | 40 | 40 | 40 | 59 | 24 | 125
Restricted cash | 14,121 | 14,121 | 14,121 | 14,121 | 14,121 | 14,010 | 13,998 | $ 13,563
Investment in unconsolidated entities | 69,617 | 69,617 | 69,617 | 69,617 | 69,617 |  | 76,222 |
Operating lease right-of-use assets | 204,723 | 204,723 | 204,723 | 204,723 | 204,723 |  | 205,668 |
Other assets | 24,042 | 24,042 | 24,042 | 24,042 | 24,042 |  | 24,241 |
Total assets | $ 2,367,342 | $ 2,367,342 | 2,367,342 | 2,367,342 | 2,367,342 |  | 2,398,745 |
Reportable Segments |  |  |  |  |  |  |  |
Number of reportable segments | segment |  | 2 |  |  |  |  |  |
Condition for Community considered to have stabilized occupancy | 90% |  |  |  |  |  |  |
Time to maintain percent occupancy to be considered a community | 3 months |  |  |  |  |  |  |
Practical expedient, single lease component | true |  |  |  |  |  |  |
United Dominion Realty L.P. | Same Store Communities West Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 63,242 |  | 60,782 |  |
Other revenue |  |  |  | 1,779 |  | 1,995 |  |
Rental income |  |  |  | 65,021 |  | 62,777 |  |
Reportable apartment home segment NOI |  |  |  | 49,493 |  | 47,797 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | $ 2,017,542 | $ 2,017,542 | 2,017,542 | 2,017,542 | 2,017,542 |  | 2,011,495 |
United Dominion Realty L.P. | Same Store Communities Mid-Atlantic Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 15,164 |  | 14,810 |  |
Other revenue |  |  |  | 431 |  | 535 |  |
Rental income |  |  |  | 15,595 |  | 15,345 |  |
Reportable apartment home segment NOI |  |  |  | 10,796 |  | 10,524 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 671,170 | 671,170 | 671,170 | 671,170 | 671,170 |  | 669,417 |
United Dominion Realty L.P. | Same Store Communities Northeast Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 8,229 |  | 7,972 |  |
Other revenue |  |  |  | 101 |  | 166 |  |
Rental income |  |  |  | 8,330 |  | 8,138 |  |
Reportable apartment home segment NOI |  |  |  | 5,909 |  | 6,205 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 408,954 | 408,954 | 408,954 | 408,954 | 408,954 |  | 408,703 |
United Dominion Realty L.P. | Same Store Communities Southeast Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 12,987 |  | 12,462 |  |
Other revenue |  |  |  | 644 |  | 775 |  |
Rental income |  |  |  | 13,631 |  | 13,237 |  |
Reportable apartment home segment NOI |  |  |  | 9,550 |  | 9,257 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 354,058 | 354,058 | 354,058 | 354,058 | 354,058 |  | 352,790 |
United Dominion Realty L.P. | Same Store Communities Southwest Region |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 1,830 |  | 1,924 |  |
Other revenue |  |  |  | 71 |  | 31 |  |
Rental income |  |  |  | 1,901 |  | 1,955 |  |
Reportable apartment home segment NOI |  |  |  | 1,391 |  | 1,337 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | 144,640 | 144,640 | 144,640 | 144,640 | 144,640 |  | 144,210 |
United Dominion Realty L.P. | Non-Mature communities/Other |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 7,550 |  | 6,726 |  |
Other revenue |  |  |  | 137 |  | 156 |  |
Rental income |  |  |  | 7,687 |  | 6,882 |  |
Reportable apartment home segment NOI |  |  |  | 4,416 |  | 4,019 |  |
Reportable apartment home segment assets: |  |  |  |  |  |  |  |
Total segment assets | $ 290,249 | $ 290,249 | $ 290,249 | 290,249 | $ 290,249 |  | $ 288,545 |
United Dominion Realty L.P. | Total Communities |  |  |  |  |  |  |  |
Summary of rental income and NOI for UDRs reportable segments and reconciliation of NOI to loss from continuing operations |  |  |  |  |  |  |  |
Lease revenue |  |  |  | 109,002 |  | 104,676 |  |
Other revenue |  |  |  | 3,163 |  | 3,658 |  |
Rental income |  |  |  | 112,165 |  | 108,334 |  |
Reportable apartment home segment NOI |  |  |  | $ 81,555 |  | $ 79,139 |  |

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