Investments in Joint Ventures - Investments in Joint Ventures (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Total assets	$ 711,856	$ 709,166
Capital – Third Parties	419,132	414,520
Total liabilities and equity	711,856	709,166
BBX Partnerships
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	4,598
Cash and restricted cash	0
Unrealized rents & receivables	0
Deferred costs	0
Total assets	4,598
Secured notes payable	0
Other liabilities	0
Capital – FRP	2,299
Capital – Third Parties	2,299
Total liabilities and equity	4,598
Brooksville Quarry, LLC
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	14,467	14,358
Cash and restricted cash	76	80
Unrealized rents & receivables	0	0
Deferred costs	5	1
Total assets	14,548	14,439
Secured notes payable	0	0
Other liabilities	44	0
Capital – FRP	7,640	7,552
Capital – Third Parties	6,864	6,887
Total liabilities and equity	14,548	14,439
BC FRP Realty, LLC
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	21,794	21,503
Cash and restricted cash	247	127
Unrealized rents & receivables	433	464
Deferred costs	234	360
Total assets	22,708	22,454
Secured notes payable	10,921	12,086
Other liabilities	333	402
Capital – FRP	5,727	4,983
Capital – Third Parties	5,727	4,983
Total liabilities and equity	22,708	22,454
Lending ventures
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	15,647	17,117
Cash and restricted cash	0	0
Unrealized rents & receivables	0	0
Deferred costs	0	0
Total assets	15,647	17,117
Secured notes payable	(10,626)	(10,578)
Other liabilities	0	0
Capital – FRP	26,273	27,695
Capital – Third Parties	0	0
Total liabilities and equity	15,647	17,117
Multifamily JV’s
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	447,839	447,257
Cash and restricted cash	12,103	13,942
Unrealized rents & receivables	7,466	7,267
Deferred costs	6,137	5,868
Total assets	473,545	474,334
Secured notes payable	276,356	262,209
Other liabilities	5,830	8,340
Capital – FRP	114,188	120,546
Capital – Third Parties	77,171	83,239
Total liabilities and equity	473,545	474,334
Total Assets of The Partnership
Schedule of Equity Method Investments [Line Items]
Total assets	531,046
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	504,345	500,235
Cash and restricted cash	12,426	14,149
Unrealized rents & receivables	7,899	7,731
Deferred costs	6,376	6,229
Total assets	531,046	528,344
Secured notes payable	276,651	263,717
Other liabilities	6,207	8,742
Capital – FRP	156,127	160,776
Capital – Third Parties	92,061	95,109
Total liabilities and equity	$ 531,046	$ 528,344