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LEASES (UNITED DOMINION REALTY, L.P.) - Lessor (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Future minimum lease payments |  |  |  |
Variable lease expense | $ 0 | $ 100 | $ 100 | $ 200
Apartment Homes |  |  |  |
Lessor leases |  |  |  |
Percentage of lease revenue |  |  | 98.60% |
Apartment Homes | Maximum |  |  |  |
Lessor leases |  |  |  |
Lease terms | 12 months |  | 12 months |
Retail and Commercial Spaces |  |  |  |
Lessor leases |  |  |  |
Percentage of lease revenue |  |  | 1.40% |
Future minimum lease payments |  |  |  |
2020 | $ 11,020 |  | $ 11,020 |
2021 | 22,287 |  | 22,287 |
2022 | 20,370 |  | 20,370 |
2023 | 18,885 |  | 18,885 |
2024 | 17,219 |  | 17,219 |
Thereafter | 80,684 |  | 80,684 |
Total future minimum payments | $ 170,465 |  | $ 170,465 |
Retail and Commercial Spaces | Minimum |  |  |  |
Lessor leases |  |  |  |
Lease terms | 5 years |  | 5 years |
Retail and Commercial Spaces | Maximum |  |  |  |
Lessor leases |  |  |  |
Lease terms | 15 years |  | 15 years |
United Dominion Realty L.P. | Minimum |  |  |  |
Lessor leases |  |  |  |
Lease terms | 5 years |  | 5 years |
United Dominion Realty L.P. | Maximum |  |  |  |
Lessor leases |  |  |  |
Lease terms | 15 years |  | 15 years |
United Dominion Realty L.P. | Apartment Homes |  |  |  |
Lessor leases |  |  |  |
Percentage of lease revenue |  |  | 99.30% |
United Dominion Realty L.P. | Apartment Homes | Maximum |  |  |  |
Lessor leases |  |  |  |
Lease terms | 12 months |  | 12 months |
United Dominion Realty L.P. | Retail and Commercial Spaces |  |  |  |
Lessor leases |  |  |  |
Percentage of lease revenue |  |  | 0.70% |
Future minimum lease payments |  |  |  |
2020 | $ 3,607 |  | $ 3,607 |
2021 | 7,142 |  | 7,142 |
2022 | 6,471 |  | 6,471 |
2023 | 6,142 |  | 6,142 |
2024 | 5,462 |  | 5,462 |
Thereafter | 13,951 |  | 13,951 |
Total future minimum payments | 42,775 |  | 42,775 |
Variable lease expense | $ 0 | $ 0 |  |
United Dominion Realty L.P. | Retail and Commercial Spaces | Maximum |  |  |  |
Future minimum lease payments |  |  |  |
Variable lease expense |  |  | $ 100 | $ 100

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- Definition Term of lessor's direct financing lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981 + Details
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- Definition Amount of lease payments to be received by lessor for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of lease payments to be received by lessor in fifth fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of lease payments to be received by lessor in fourth year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of lease payments to be received by lessor in remainder of fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of lease payments to be received by lessor after fifth fiscal year following latest statement of financial position date for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of lease payments to be received by lessor in third fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of lease payments to be received by lessor in second fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981 + Details
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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