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Mortgage Notes Payable, Net - Multi-Tenant Mortgage Loan II (Details) $ in Millions | Apr. 12, 2019 sate | Jan. 26, 2018 USD ($) ft² property sate | Jun. 30, 2019 ft²
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Area of property (sqft) | ft² |  |  | 28,300,000
Mortgage notes payable | Multi-tenant mortgage loan |  |  |
Debt Instrument [Line Items] |  |  |
Gross proceeds from credit facility | $ |  | $ 32.8 |
Stated interest rate |  | 4.32% |
Number of mortgaged properties (property) | property |  | 8 |
Number of states in which mortgaged properties are located (state) | sate | 12 | 6 |
Area of property (sqft) | ft² |  | 627,500 |
Repayments of outstanding indebtedness | $ |  | $ 30.0 |

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