Subsequent Events - Distribution Reinvestment Plan (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | 87 Months Ended | |
---|---|---|---|---|---|
Aug. 09, 2018 |
Dec. 31, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 31, 2017 |
|
Subsequent Event [Line Items] | |||||
Proceeds from distribution reinvestment plan | $ 18,690 | $ 33,676 | |||
Daily amount of distribution accrued per share (in dollars per share) | $ 0.000924658 | $ 0.00184932 | |||
Subsequent event | |||||
Subsequent Event [Line Items] | |||||
Number of shares issued (in shares) | 0.6 | ||||
Proceeds from distribution reinvestment plan | $ 5,100 |