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Lease Intangibles - Schedule of Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Amortizable Intangible Assets |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 191,441 | $ 173,069
Amortizable Intangible Assets, Accumulated Amortization | (72,439) | (58,485)
Amortizable Intangible Assets, Net Carrying Amount | 119,002 | 114,584
Amortizable Intangible Liabilities |  |
Amortizable Intangible Liabilities, Gross Carrying Amount | (141,157) | (137,032)
Amortizable Intangible Liabilities, Accumulated Amortization | 37,844 | 32,004
Amortizable Intangible Liabilities, Net Carrying Amount | (103,313) | (105,028)
Above-market Ground Lease, Gross | (672) | 0
Above-market Ground Lease, Accumulated Amortization | 5 | 0
Above-market Ground Lease, Net | (667) | 0
Finite-Lived Intangible Liabilities, Gross | (141,829) | (137,032)
Finite-Lived Intangible Liabilities, Accumulated Amortization | 37,849 | 32,004
Finite-Lived Intangible Liabilities, Net | (103,980) | (105,028)
Below market rents, acquired | $ 4,100 |
Below market rents acquired, weighted average useful life | 11 years 5 months |
Above-market ground lease, acquired | $ 700 |
Above-market ground lease acquired, weighted average useful life | 11 years 6 months |
In-place lease intangible assets |  |
Amortizable Intangible Assets |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 174,113 | 156,420
Amortizable Intangible Assets, Accumulated Amortization | (60,712) | (47,827)
Amortizable Intangible Assets, Net Carrying Amount | 113,401 | 108,593
Intangible assets acquired | $ 17,700 |
Acquired intangible assets, weighted average useful life | 4 years 2 months |
Above-market rent |  |
Amortizable Intangible Assets |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 17,328 | 16,649
Amortizable Intangible Assets, Accumulated Amortization | (11,727) | (10,658)
Amortizable Intangible Assets, Net Carrying Amount | 5,601 | $ 5,991
Intangible assets acquired | $ 700 |
Acquired intangible assets, weighted average useful life | 3 years 9 months |

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