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Real Estate and Intangible Assets - Carrying Value of Lease Intangibles and Accumulated Amortization (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles, net | $ 5,257 | $ 5,686
Lease intangibles, at cost |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 8,586 | 7,921
Accumulated amortization | (3,329) | (2,235)
Lease intangibles, net | 5,257 | 5,686
Leasehold interest – land |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 3,498 | 3,498
In-place leases |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 2,601 | 2,046
Leasing costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 2,073 | 1,963
Tenant relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 414 | 414
Below-Market Leases |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets (liability) gross | (786) | (791)
Finite-lived intangible asset, accumulated (amortization) accretion | 210 | 184
Above-market lease values and lease incentives |  |
Finite-Lived Intangible Assets [Line Items] |  |
Lease intangibles | 216 | 126
Accumulated amortization | (115) | (18)
Below-market lease values and deferred revenue |  |
Finite-Lived Intangible Assets [Line Items] |  |
Below-market lease values, gross | (1,002) | (917)
Below-market lease values, accumulated (amortization) accretion | $ 325 | $ 202

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