Quarterly report pursuant to Section 13 or 15(d)

Debt - (Construction Loan) (Details)

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Debt - (Construction Loan) (Details)
1 Months Ended
Oct. 23, 2017
USD ($)
Subsequent Event [Line Items]  
Debt Instrument, Maturity Date Apr. 23, 2021
Construction Loan Payable | Subsequent Event  
Subsequent Event [Line Items]  
Debt, face amount $ 200,000,000
Optional extension term 1 year
Construction Loan Payable | London Interbank Offered Rate (LIBOR) | Subsequent Event  
Subsequent Event [Line Items]  
Interest rate 2.70%