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Subsequent Event - Narrative (Details) - Subsequent Event [Member] - Secured Debt [Member] - Commercial Real Estate Loan [Member] | Jul. 06, 2018 USD ($)
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Subsequent Event [Line Items] |
Principal amount | $ 21,000,000
Quarterly installment amount | $ 262,500
Term | 10 years
Outstanding balance | $ 10,500,000
Fixed interest rate | 4.45%
Second Twelve Months of the Loan Term [Member] |
Subsequent Event [Line Items] |
Prepayment fee | 2.00%
Third Twelve Months of the Loan Term [Member] |
Subsequent Event [Line Items] |
Prepayment fee | 1.00%

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