Real Estate and Intangible Assets - Carrying Value of Lease Intangible Assets or Liabilities in Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands  | 
Dec. 31, 2020  | 
Dec. 31, 2019  | 
|---|---|---|
| Above-market lease values and lease incentives | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Finite-lived intangible assets, gross | $ 308 | $ 111 | 
| Accumulated amortization | (154) | (41) | 
| Below-market lease values and deferred revenue | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Below market lease, gross | (908) | (886) | 
| Below market lease, accumulated amortization | 336 | 257 | 
| Net market leases | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Finite lived intangible assets liabilities gross | (600) | (775) | 
| Finite lived intangible assets accumulated amortization and accretion | $ 182 | $ 216 | 
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- Definition Finite-lived intangible assets accumulated (amortization) and accretion. No definition available. 
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- Definition Finite lived intangible assets (liabilities) gross. No definition available. 
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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. No definition available. 
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- Definition Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life. No definition available. 
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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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. No definition available. 
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