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Investment in Real Estate - Summary of Acquisition Purchase Price Allocation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Real Estate [Line Items] |  |  |
Land | $ 1,087,907 | $ 957,478 |
Buildings and Improvements | 2,922,152 | 2,782,430 |
Acquisition Activity |  |  |
Real Estate [Line Items] |  |  |
Land | 121,353 | 101,764 |
Buildings and Improvements | 97,138 | 43,693 |
Other Assets | 1,790 | 859 |
Purchase price of industrial properties acquired | 224,027 | 147,887 | $ 167,546
Acquisition Activity | In-Place Leases |  |  |
Real Estate [Line Items] |  |  |
Acquired finite lived intangible assets, fair value | (5,174) | (5,601) |
Acquisition Activity | Above Market Leases |  |  |
Real Estate [Line Items] |  |  |
Acquired finite lived intangible assets, fair value | (134) | (34) |
Acquisition Activity | Below Market Leases |  |  |
Real Estate [Line Items] |  |  |
Acquired Finite-lived Intangible Liabilities, Fair Value | $ (1,562) | $ (4,064) |

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