Investments in Joint Ventures - Schedule of Investments in Multifamily Joint Ventures (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Total assets	$ 722,782	$ 728,485
Capital – Third Parties	426,702	423,103
Total liabilities and equity	722,782	728,485
Buzzard Point Sponsor, LLC
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	0	0
Cash and restricted cash	0	0
Unrealized rents & receivables	0	0
Deferred costs	4,946	4,892
Total assets	4,946	4,892
Secured notes payable	0	0
Other liabilities	0	0
Capital – FRP	2,473	2,446
Capital – Third Parties	2,473	2,446
Total liabilities and equity	4,946	4,892
Bryant Street Partnerships
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	177,755	180,928
Cash and restricted cash	4,696	5,348
Unrealized rents & receivables	6,673	6,708
Deferred costs	1,164	1,406
Total assets	190,288	194,390
Secured notes payable	108,263	108,084
Other liabilities	2,517	3,126
Capital – FRP	60,262	63,241
Capital – Third Parties	19,246	19,939
Total liabilities and equity	190,288	194,390
Estero Partnership
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	42,290	40,733
Cash and restricted cash	77	613
Unrealized rents & receivables	0	0
Deferred costs	0	0
Total assets	42,367	41,346
Secured notes payable	16,000	16,000
Other liabilities	212	856
Capital – FRP	3,600	3,600
Capital – Third Parties	22,555	20,890
Total liabilities and equity	42,367	41,346
Verge Partnership
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	121,844	124,010
Cash and restricted cash	2,499	2,001
Unrealized rents & receivables	224	250
Deferred costs	63	138
Total assets	124,630	126,399
Secured notes payable	68,370	68,242
Other liabilities	1,296	1,209
Capital – FRP	33,656	34,874
Capital – Third Parties	21,308	22,074
Total liabilities and equity	124,630	126,399
Greenville Partnerships
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	98,437	94,020
Cash and restricted cash	2,429	3,104
Unrealized rents & receivables	89	258
Deferred costs	529	195
Total assets	101,484	97,577
Secured notes payable	79,965	79,829
Other liabilities	3,588	2,158
Capital – FRP	6,656	4,870
Capital – Third Parties	11,275	10,720
Total liabilities and equity	101,484	97,577
Total Multifamily JV’s
Schedule of Equity Method Investments [Line Items]
Investments in real estate, net	440,326	439,691
Cash and restricted cash	9,701	11,066
Unrealized rents & receivables	6,986	7,216
Deferred costs	6,702	6,631
Total assets	463,715	464,604
Secured notes payable	272,598	272,155
Other liabilities	7,613	7,349
Capital – FRP	106,647	109,031
Capital – Third Parties	76,857	76,069
Total liabilities and equity	$ 463,715	$ 464,604