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Business Segments - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2026 a segment joint_venture park lease warehouse | Oct. 21, 2025 joint_venture
Segment Reporting Information [Line Items] |  |
Number of reportable segments | segment | 4 |
Number of warehouses | warehouse | 10 |
Number of business parks | park | 3 |
Number of ground leases | lease | 2 |
Number of acres | a | 16,640 |
Brooksville Joint Venture | Brooksville Joint Venture |  |
Segment Reporting Information [Line Items] |  |
FRP Ownership (as a percent) | 50.00% |
Brooksville Joint Venture | Vulcan Materials |  |
Segment Reporting Information [Line Items] |  |
FRP Ownership (as a percent) | 50.00% |
Operating segments | Development |  |
Segment Reporting Information [Line Items] |  |
Number of consolidated joint ventures | joint_venture |  | 3
Operating segments | Multifamily |  |
Segment Reporting Information [Line Items] |  |
Number of consolidated joint ventures | joint_venture | 2 |
Brooksville Joint Venture |  |
Segment Reporting Information [Line Items] |  |
Number of acres | a | 4,280 |

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