Intangible Assets (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Finite-Lived Intangible Assets, Net [Abstract] | ||||
| Amortization of above and below market leases | $ 4,642 | $ 8,952 | $ 9,676 | $ 18,796 |
| Amortization method | straight line | |||
| Estimated residual value | $ 0 | $ 0 | ||
| Weighted average remaining useful life | 10 months 23 days | |||