Maryland Property Dispositions (Details) - USD ($)					12 Months Ended
	Aug. 04, 2022	Jan. 10, 2022	Jan. 07, 2022	Dec. 30, 2021	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022	Dec. 31, 2024	Sep. 15, 2023	Jul. 12, 2023	Jul. 22, 2022	Nov. 22, 2021
Maryland Property Dispositions [Line Items]
Purchase price		$ 36,685,067	$ 11,500,000	$ 191,080,598	$ 248,750,269
Escrow deposit					15,526,731						$ 1,250,000
Sales price					2,723,000
Net proceeds			200,000			$ 600,000	$ 11,800,000
Debt instrument fund payment							700,000
Release funds from escrow					5,723,000
Escrow gain on sale					400,000
Increase in escrow and related gain						1,100,000	1,200,000
Sale of net gain		10,100,000	8,800,000	48,500,000
Released from funds held in escrow		400,000	900,000	5,700,000
Straight-line rent receivable					118,000	100,000	(18,000)
Write-off of unamortized lease commissions		300,000	300,000	1,100,000	1,700,000
Accrued interest							5,300,000
Payment of related mortgage debt		18,200,000	21,100,000
Escrow deposit					3,396,000	3,294,000	1,633,000
Increase in escrow and related gain						100,000
Breakage fees		213,000
Net book value					172,300,000
Net proceeds from sale					58,700,000
Funds released from maryland purchaser escrow payment					500,000	4,600,000	1,900,000
Payment of related mortgage debt					155,800,000
Breakage fees					213,000
Payment of loans					31,000,000
Brokerage fees					6,400,000
Purchase of escrow payment					7,084,000
Gain on sale of investments					400,000	1,000,000	1,200,000
Net loss on sale of maryland properties					(356,000)	$ (1,003,000)	$ 68,771,000
FREIT's share in gain on sale of properties					44,800,000
Proceeds from released funds held in escrow					$ 7,100,000
Cash distribution, per share (in Dollars per share)	$ 7.5
Dividend per share (in Dollars per share)					$ 0.85	$ 0.45	$ 9.2
FREIT [Member]
Maryland Property Dispositions [Line Items]
Lease term					5 years
Principal amount					$ 27,700,000
Straight-line rent receivable		600,000	500,000
Rotunda100 L L C [Member]
Maryland Property Dispositions [Line Items]
Principal amount					$ 31,000,000
FREIT [Member]
Maryland Property Dispositions [Line Items]
Ownership percentage					40.00%							100.00%
Straight-line rent receivable				1,800,000	$ 2,900,000
Cash distribution	$ 51,500,000
Dividend per share (in Dollars per share)										$ 0.05
Grande Rotunda, LLC [Member]
Maryland Property Dispositions [Line Items]
Ownership percentage												60.00%
Damascus Centre, LLC [Member]
Maryland Property Dispositions [Line Items]
Ownership percentage												70.00%
Fiscal 2026 [Member]
Maryland Property Dispositions [Line Items]
Net loss on sale of maryland properties					67,400,000
Related Party [Member]
Maryland Property Dispositions [Line Items]
Due to affiliate		900,000	600,000
Purchase And Sale Agreement Of Rotunda Property [Member]
Maryland Property Dispositions [Line Items]
Purchase price				$ 136,200,000	2,723,000
Escrow deposit					15,526,731
Repayments of mortgage debt					116,500,000
Purchase And Sale Agreement Of Rotunda Property [Member] | Maximum [Member]
Maryland Property Dispositions [Line Items]
Purchase price					267,000,000
Purchase And Sale Agreement Of Rotunda Property [Member] | Minimum [Member]
Maryland Property Dispositions [Line Items]
Purchase price					248,750,269
Maryland Purchaser Escrow Payment [Member]
Maryland Property Dispositions [Line Items]
Escrow deposit					14,026,401
Debt instrument fund payment					500,000	$ 4,500,000
Escrow deposit		$ 484,934	1,015,396
Maryland Properties [Member]
Maryland Property Dispositions [Line Items]
Purchase price			$ 20,984,604
Dividend per share (in Dollars per share)									$ 0.3	$ 0.25
Westridge Square Property [Member]
Maryland Property Dispositions [Line Items]
Released from funds held in escrow								$ 945,000
Released funds						100,000	$ 800,000
Grande Rotunda [Member]
Maryland Property Dispositions [Line Items]
Net proceeds					$ 41,200,000
Membership interest percentage				60.00%
Rotunda Hundred [Member]
Maryland Property Dispositions [Line Items]
Membership interest percentage					40.00%
Rotunda Hundred [Member] | FREIT [Member]
Maryland Property Dispositions [Line Items]
Membership interest percentage					60.00%
Damascus Centre [Member]
Maryland Property Dispositions [Line Items]
Membership interest percentage		70.00%
Rotunda Property [Member]
Maryland Property Dispositions [Line Items]
Net proceeds					$ 900,000	$ 4,500,000	21,400,000
Rotunda Property [Member] | Related Party [Member]
Maryland Property Dispositions [Line Items]
Due to affiliate					4,900,000
Damascus Property [Member]
Maryland Property Dispositions [Line Items]
Purchase price		$ 24,600,000
Net proceeds		$ 17,300,000
Released from funds held in escrow							$ 400,000
Remaining funds					$ 416,000