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Stockholders’ Equity of the Company and Partners' Capital of the Operating Partnership - Additional Information (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Class of Stock [Line Items] |  |
Proceeds from the Issuance of Common Stock, Net of Underwriter's Discount | $ 145,584 | $ 74,880
Conversion of Limited Partner Units to Common Stock / General Partner Units | $ 0 | 0
Limited Partners' Capital Account, Units Retired | 33,333 |
Common Stock Dividends and Unit Distributions | $ 55,316 |
Common Stock / Operating Partnership Units |  |
Class of Stock [Line Items] |  |
Shares of Common Stock Issued | 4,800,000 |
Proceeds from the Issuance of Common Stock, Net of Underwriter's Discount | $ 145,584 |
Conversion of Limited Partner Units to Common Stock / General Partner Units, Shares | 1,019,677 |
Conversion of Limited Partner Units to Common Stock / General Partner Units | $ 12,327 |
Common Stock Dividends and Unit Distributions | 55,316 |
First Industrial, L.P. |  |
Class of Stock [Line Items] |  |
Proceeds from the Issuance of Common Stock, Net of Underwriter's Discount | 145,584 | 74,880
Conversion of Limited Partner Units to Common Stock / General Partner Units | $ 0 | $ 0

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