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Intangible Assets and Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets and Liabilities | As of September 30, 2019 and December 31, 2018, the Company’s intangible assets/liabilities were comprised of the following (in thousands):
| September 30, 2019
| Total Cost |  | Accumulated Amortization |  | Intangible Assets, net
Intangible assets, net: |  |  |  |  |
In-place lease value | $ | 168,881 |  |  | $ | (74,951 | ) |  | $ | 93,930 |
Tenant relationship value | 5,268 |  |  | (4,728 | ) |  | 540 |
Above market leases acquired | 4,955 |  |  | (3,627 | ) |  | 1,328 |
Total intangible assets, net | $ | 179,104 |  |  | $ | (83,306 | ) |  | $ | 95,798 |
| Total Cost |  | Accumulated Amortization |  | Intangible Liabilities, net
Acquired lease intangibles, net: |  |  |  |  |
Below market leases acquired | $ | 44,876 |  |  | $ | (20,826 | ) |  | $ | 24,050 |
| December 31, 2018
| Total Cost |  | Accumulated Amortization |  | Intangible Assets, net
Intangible assets, net: |  |  |  |  |
In-place lease value | $ | 181,887 |  |  | $ | (53,376 | ) |  | $ | 128,511 |
Tenant relationship value | 9,564 |  |  | (8,551 | ) |  | 1,013 |
Above market leases acquired | 4,966 |  |  | (3,142 | ) |  | 1,824 |
Total intangible assets, net | $ | 196,417 |  |  | $ | (65,069 | ) |  | $ | 131,348 |
| Total Cost |  | Accumulated Amortization |  | Intangible Liabilities, net
Acquired lease intangibles, net: |  |  |  |  |
Below market leases acquired | $ | 49,655 |  |  | $ | (17,872 | ) |  | $ | 31,783 |
Summary of Amortization for Intangible Assets and Liabilities | As of September 30, 2019, the Company’s annual amortization for its intangible assets/liabilities, assuming no prospective early lease terminations, was as follows (dollars in thousands):
| Assets |  | Liabilities
2019 (three months remaining) | $ | 10,057 |  |  | $ | 1,696 |
2020 | 28,185 |  |  | 5,299 |
2021 | 18,289 |  |  | 3,890 |
2022 | 12,153 |  |  | 2,270 |
2023 | 9,236 |  |  | 1,722 |
Thereafter | 17,878 |  |  | 9,173 |
Total | $ | 95,798 |  |  | $ | 24,050 |

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