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REAL ESTATE AND INTANGIBLE ASSETS - Carrying Value of Lease Intangible Assets or Liabilities in Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Accumulated amortization | $ (3,689) | $ (3,501)
Above-market lease values and lease incentives |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 65 | 308
Accumulated amortization | (11) | (154)
Below-market lease values and deferred revenue |  |
Finite-Lived Intangible Assets [Line Items] |  |
Below-market lease values, gross | (2,220) | (908)
Below-market lease values, accumulated (amortization) accretion | 488 | 336
Market leases, net |  |
Finite-Lived Intangible Assets [Line Items] |  |
Deferred Rent Asset (Liability) | (2,155) | (600)
Deferred Rent Asset (Liability) | $ 477 | $ 182

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- Definition Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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