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Real Estate Investments, Net - Schedule of Business Acquisitions, by Acquisition (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 USD ($) property | Sep. 30, 2017 USD ($) property
Real estate investments, at cost: |  |
Land | $ 24,269 | $ 6,359
Buildings, fixtures and improvements | 205,990 | 27,220
Total tangible assets | 230,259 | 33,579
Acquired intangible lease assets: |  |
Cash paid for acquired real estate investments | $ 267,379 | $ 37,113
Number of properties purchased (property) | property | 17 | 4
In-place leases |  |
Acquired intangible lease assets: |  |
Acquired intangibles | $ 42,031 | $ 4,859
Above market lease assets |  |
Acquired intangible lease assets: |  |
Acquired intangibles | 48 | 47
Below market lease liabilities |  |
Acquired intangible lease assets: |  |
Below-market lease liabilities | $ (4,959) | $ (1,372)

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