CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Net Investment in Real Estate | $ 5,359,997 | $ 5,175,911 |
| Common Stock, par value | $ 0.01 | $ 0.01 |
| Common Stock, shares authorized | 225,000,000 | 225,000,000 |
| Common Stock, shares issued | 132,577,762 | 132,470,326 |
| Common Stock, shares outstanding | 132,577,762 | 132,470,326 |
| First Industrial, L.P. | ||
| Net Investment in Real Estate | $ 5,359,997 | $ 5,175,911 |
| General Partner Units, units outstanding | 132,577,762 | 132,470,326 |
| Limited Partner Units, units outstanding | 4,453,179 | 4,031,088 |
| Other Real Estate Partnerships | ||
| Net Investment in Real Estate | $ 283,162 | $ 288,680 |
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The number of general partner units outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The number of limited partner units outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|