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Earnings Per Share / Unit (EPS / EPU) - Additional Information (Details) - shares | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Service Awards/Service Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unvested Service Awards / Performance Awards | 128,315 | 143,080 |
Service Awards/Service Units | Management |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unvested Service Awards / Performance Awards | 100,795 | 143,080 | 147,937
First Industrial, L.P. |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unvested Service Awards / Performance Awards | 253,955 | 336,030 | 378,548

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