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REAL ESTATE INVESTMENTS - Summary of Acquisitions (Details) - USD ($) $ in Thousands | Oct. 13, 2017 | Jul. 28, 2017
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Bulletin Building |  |
Building and improvements | $ 30,583 |
Construction-in-progress | 672 |
Intangible assets acquired | 10,575 |
Below market lease liabilities assumed | (4,055) |
Total encumbered acquisition value | $ 37,775 |
3000 Market Street |  |
Building and improvements |  | $ 32,004
Intangible assets acquired |  | 2,562
Below market lease liabilities assumed |  | (1,818)
Total encumbered acquisition value |  | $ 32,748
Intangible Assets Acquired | Bulletin Building |  |
Weighted average amortization period | 7 years 10 months 24 days |
Intangible Assets Acquired | 3000 Market Street |  |
Weighted average amortization period |  | 5 years 10 months 24 days
Below Market Lease | Bulletin Building |  |
Weighted average amortization period | 7 years |
Below Market Lease | 3000 Market Street |  |
Weighted average amortization period |  | 6 years

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