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Real Estate and Intangible Assets - Summary of Acquired Properties (Details) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Mar. 09, 2018 USD ($) ft² | Jun. 30, 2018 USD ($) ft² | Jun. 30, 2017 USD ($) ft²
Business Acquisition [Line Items] |  |  |
Purchase Price |  | $ 14,341 |
Series of Property Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Square Footage | ft² |  | 127,444 | 60,016
Lease Term |  | 9 years 9 months 18 days | 8 years 6 months
Purchase Price |  | $ 14,341 | $ 15,697
Acquisition Expenses |  | 91 | 247
Annualized GAAP Rent |  | $ 1,087 | $ 1,680
Vance, Alabama |  |  |
Business Acquisition [Line Items] |  |  |
Square Footage | ft² | 127,444 |  |
Lease Term | 9 years 9 months 18 days |  |
Purchase Price | $ 14,300 |  |
Annualized GAAP Rent | $ 1,100 |  |

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