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Investments in Joint Ventures - Schedule of Investments in Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |
The Company's Total Investment | $ 148,302 |  |
Total Assets of The Partnership | 717,123 |  | $ 728,485
Profit (Loss) Of the Partnership | 1,634 | $ 1,335 |
The Company's Share of Profit (Loss) of the Partnership | (2,031) | $ (3,019) |
Total Assets of The Partnership |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 509,258 |  |
Profit (Loss) Of the Partnership | (3,165) |  |
Brooksville Quarry, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 14,494 |  | 14,498
Profit (Loss) Of the Partnership | (24) |  |
BC FRP Realty, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 21,965 |  | 21,930
Profit (Loss) Of the Partnership | 142 |  |
Buzzard Point Sponsor, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 4,912 |  | 4,892
Profit (Loss) Of the Partnership | 0 |  |
Bryant Street Partnerships |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 192,146 |  | 194,390
Profit (Loss) Of the Partnership | (1,694) |  |
Lending ventures |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 13,308 |  | 16,007
Profit (Loss) Of the Partnership | 0 |  |
Estero Partnership |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 41,605 |  | 41,346
Profit (Loss) Of the Partnership | 0 |  |
The Verge Partnership |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 125,281 |  | 126,399
Profit (Loss) Of the Partnership | (927) |  |
Greenville Partnerships |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total Assets of The Partnership | 95,547 |  | $ 97,577
Profit (Loss) Of the Partnership | (662) |  |
The Company's Share of Profit (Loss) of the Partnership |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
The Company's Share of Profit (Loss) of the Partnership | $ (2,031) |  |
Brooksville Quarry, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 50.00% |  |
The Company's Total Investment | $ 7,566 |  |
The Company's Share of Profit (Loss) of the Partnership | $ (12) |  |
BC FRP Realty, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 50.00% |  |
The Company's Total Investment | $ 5,815 |  |
The Company's Share of Profit (Loss) of the Partnership | $ 71 |  |
Buzzard Point Sponsor, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 50.00% |  |
The Company's Total Investment | $ 2,456 |  |
The Company's Share of Profit (Loss) of the Partnership | $ 0 |  |
Bryant Street Partnerships |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 72.10% |  |
The Company's Total Investment | $ 63,992 |  |
The Company's Share of Profit (Loss) of the Partnership | (1,256) |  |
Lending ventures |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
The Company's Total Investment | 23,160 |  |
The Company's Share of Profit (Loss) of the Partnership | $ 0 |  |
Estero Partnership |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 16.00% |  |
The Company's Total Investment | $ 3,737 |  |
The Company's Share of Profit (Loss) of the Partnership | $ 0 |  |
The Verge Partnership |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 61.37% |  |
The Company's Total Investment | $ 36,578 |  |
The Company's Share of Profit (Loss) of the Partnership | $ (569) |  |
Greenville Partnerships |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
FRP Ownership | 40.00% |  |
The Company's Total Investment | $ 4,998 |  |
The Company's Share of Profit (Loss) of the Partnership | $ (265) |  |

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