Identified Intangible Liabilities, Net Identified Intangible Liabilities, Net (Phantom) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |
---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
|
Amortization of Identified Intangible Liabilities | $ 102,000 | $ 85,000 | |
Finite Lived Intangible Liabilities Useful Life | 5 years 8 months 12 days | 16 years 4 months 24 days | |
Below Market Lease [Member] | |||
Amortization of above and below Market Leases | $ 102,000 | 83,000 | |
Finite Lived Intangible Liabilities Accumulated Amortization | $ 780,000 | $ 678,000 | |
Finite Lived Intangible Liabilities Useful Life | 5 years 8 months 12 days | 5 years 8 months 12 days | |
Above-market leasehold interest [Member] | |||
Finite Lived Intangible Liabilities Accumulated Amortization | $ 0 | $ 13,000 | |
Finite Lived Intangible Liabilities Useful Life | 8 days | 51 years 2 months 12 days | |
Amortization of above market leasehold interest | $ 0 | $ 2,000 |