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Intangible Assets and Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets and Liabilities | As of March 31, 2019 and December 31, 2018, the Company’s intangible assets/liabilities were comprised of the following (in thousands):
| March 31, 2019 |
| Total Cost |  |  | Accumulated Amortization |  |  | Intangible Assets, net |
Intangible assets, net: |  |  |  |  |  |  |  |  |  |  |
In-place lease value | $ | 179,979 |  |  | $ | (62,584 | ) |  | $ | 117,395 |
Tenant relationship value |  | 9,564 |  |  |  | (8,715 | ) |  |  | 849 |
Above market leases acquired |  | 4,966 |  |  |  | (3,307 | ) |  |  | 1,659 |
Total intangible assets, net | $ | 194,509 |  |  | $ | (74,606 | ) |  | $ | 119,903 |
Acquired lease intangibles, net: |  |  |  |  |  |  |  |  |  |  |
Below market leases acquired | $ | 49,228 |  |  | $ | (19,415 | ) |  | $ | 29,813 |
| 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 |
Acquired lease intangibles, net: |  |  |  |  |  |  |  |  |  |  |
Below market leases acquired | $ | 49,655 |  |  | $ | (17,872 | ) |  | $ | 31,783 |
Summary of Amortization for Intangible Assets and Liabilities | As of March 31, 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 (nine months remaining) | $ | 30,532 |  |  | $ | 5,433 |
2020 |  | 28,393 |  |  |  | 5,707 |
2021 |  | 20,128 |  |  |  | 4,302 |
2022 |  | 12,791 |  |  |  | 2,654 |
2023 |  | 9,756 |  |  |  | 2,094 |
Thereafter |  | 18,303 |  |  |  | 9,623 |
Total | $ | 119,903 |  |  | $ | 29,813 |

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