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Intangible Assets and Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets and Liabilities | As of March 31, 2018 and December 31, 2017, the Company’s intangible assets/liabilities were comprised of the following (in thousands):
| March 31, 2018 |
| Total Cost |  |  | Accumulated Amortization |  |  | Intangible Assets, net |
Intangible assets, net: |  |  |  |  |  |  |  |  |  |  |
In-place lease value | $ | 106,574 |  |  | $ | (46,495 | ) |  | $ | 60,079 |
Tenant relationship value |  | 10,593 |  |  |  | (9,064 | ) |  |  | 1,529 |
Above market leases acquired |  | 4,712 |  |  |  | (2,706 | ) |  |  | 2,006 |
Total intangible assets, net | $ | 121,879 |  |  | $ | (58,265 | ) |  | $ | 63,614 |
Acquired lease intangibles, net: |  |  |  |  |  |  |  |  |  |  |
Below market leases acquired | $ | 35,719 |  |  | $ | (16,209 | ) |  | $ | 19,510 |
| December 31, 2017 |
| Total Cost |  |  | Accumulated Amortization |  |  | Intangible Assets, net |
Intangible assets, net: |  |  |  |  |  |  |  |  |  |  |
In-place lease value | $ | 108,060 |  |  | $ | (47,003 | ) |  | $ | 61,057 |
Tenant relationship value |  | 11,201 |  |  |  | (9,275 | ) |  |  | 1,926 |
Above market leases acquired |  | 4,545 |  |  |  | (2,556 | ) |  |  | 1,989 |
Total intangible assets, net | $ | 123,806 |  |  | $ | (58,834 | ) |  | $ | 64,972 |
Acquired lease intangibles, net: |  |  |  |  |  |  |  |  |  |  |
Below market leases acquired | $ | 36,213 |  |  | $ | (15,939 | ) |  | $ | 20,274 |
Summary of Amortization for Intangible Assets and Liabilities | As of March 31, 2018, the Company’s annual amortization for its intangible assets/liabilities, assuming no prospective early lease terminations, are as follows (dollars in thousands):
| Assets |  |  | Liabilities |
2018 (nine months remaining) | $ | 11,483 |  |  | $ | 2,648 |
2019 |  | 13,130 |  |  |  | 2,847 |
2020 |  | 10,452 |  |  |  | 2,081 |
2021 |  | 7,538 |  |  |  | 1,432 |
2022 |  | 5,355 |  |  |  | 1,264 |
Thereafter |  | 15,656 |  |  |  | 9,238 |
Total | $ | 63,614 |  |  | $ | 19,510 |

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