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Real Estate and Intangible Assets - Additional Information (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 25, 2021 USD ($) | Jun. 30, 2021 USD ($) property | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) property | Jun. 30, 2020 USD ($) | Jun. 04, 2021 a | Dec. 31, 2020 USD ($) property
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Depreciation expense |  | $ 6,000 | $ 3,500 | $ 11,600 | $ 7,000 |  |
Tenant improvements, net of depreciation |  | 1,900 |  | 1,900 |  |  | $ 2,000
Tenant improvements, depreciation and rental revenue |  | 97 | 76 | 194 | 152 |  |
Amortization expense related to intangible assets |  | 304 | 321 | 687 | 1,100 |  |
Amortization of acquired above market lease values and deferred revenue |  | 44 | 31 | 0 | 62 |  |
Total accretion related to below-market lease values and deferred revenue |  | 63 | 25 | 99 | 50 |  |
Operating revenue |  | 845 |  | 874 |  |  |
Net income (loss) |  | 402 |  | 398 |  |  |
(Loss) income from investments in unconsolidated entities |  |  |  | (24) | 26 |  |
Lease revenue |  | $ 16,893 | 12,638 | $ 32,927 | 27,918 |  |
Number of impaired properties | property |  | 0 |  | 0 |  |  | 0
Fresno, California |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
LLC ownership, percentage |  |  |  | 50.00% |  |  |
(Loss) income from investments in unconsolidated entities |  | $ (11) | (8) |  |  |  |
LLC ownership, value |  | 1,100 |  | $ 1,100 |  |  | $ 1,200
California |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
LLC ownership, value |  | 1,100 |  | 1,100 |  |  |
Lease revenue |  |  |  | $ 20,600 |  |  |
Percent of rental revenue (as percent) |  |  |  | 62.60% |  |  |
Florida |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Lease revenue |  |  |  | $ 6,700 |  |  |
Percent of rental revenue (as percent) |  |  |  | 20.50% |  |  |
Van Buren, Michigan | Almena Drive |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Area of water | a |  |  |  |  |  | 20,330 |
Consideration transferred | $ 1,200 |  |  | $ 13,300 |  |  |
Water assets, fair value |  | $ 14,800 |  | 14,800 |  |  |
2021 Acquisitions |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Consideration transferred |  |  |  | $ 85,319 |  |  |
2020 Acquisitions |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |
Operating revenue |  |  | 191 |  | 280 |  |
Net income (loss) |  |  | $ 125 |  | 196 |  |
Consideration transferred |  |  |  |  | $ 25,169 |  |

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