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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Real Estate Investments (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Real Estate Properties [Line Items] |  |  |
Real estate investments | $ 1,827,578,000 | $ 1,413,308,000 |
Construction period interest capitalized | $ 0 | $ 0 | $ 0
Minimum | Buildings and Improvements |  |  |
Real Estate Properties [Line Items] |  |  |
Estimated useful life of assets (in years) | 10 years |  |
Minimum | Renovations and Improvements |  |  |
Real Estate Properties [Line Items] |  |  |
Estimated useful life of assets (in years) | 5 years |  |
Minimum | Furniture, Fixtures and Equipment |  |  |
Real Estate Properties [Line Items] |  |  |
Estimated useful life of assets (in years) | 5 years |  |
Maximum | Buildings and Improvements |  |  |
Real Estate Properties [Line Items] |  |  |
Estimated useful life of assets (in years) | 37 years |  |
Maximum | Renovations and Improvements |  |  |
Real Estate Properties [Line Items] |  |  |
Estimated useful life of assets (in years) | 20 years |  |
Maximum | Furniture, Fixtures and Equipment |  |  |
Real Estate Properties [Line Items] |  |  |
Estimated useful life of assets (in years) | 10 years |  |

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- Definition Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column I)) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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- Definition The amount of interest capitalized to an operative builder's inventory during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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