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Investment in Real Estate Investment in Real Estate - Summary of Purchase Price Allocation (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Real Estate [Line Items] |  |
Land | $ 1,092,966 | $ 957,478
Buildings and Improvements | 2,914,457 | $ 2,782,430
Acquisition Activity |  |
Real Estate [Line Items] |  |
Land | 114,986 |
Buildings and Improvements | 65,964 |
Other Assets | 201 |
Purchase price of industrial properties acquired | 181,365 |
Acquisition Activity | In-Place Leases |  |
Real Estate [Line Items] |  |
Acquired finite lived intangible assets, fair value | 1,642 |
Acquisition Activity | Above Market Leases [Member] |  |
Real Estate [Line Items] |  |
Acquired finite lived intangible assets, fair value | 134 |
Acquisition Activity | Below Market Leases |  |
Real Estate [Line Items] |  |
Acquired finite lived intangible liabilities, fair value | $ (1,562) |

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