Interest rate swap contracts	12 Months Ended
Oct. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Interest rate swap contracts	Note 5 - Interest rate swap contracts: On September 29, 2016, Wayne PSC, LLC, a consolidated subsidiary, refinanced its $24.2 million mortgage loan held by Metropolitan Life Insurance Company, with a new mortgage loan from People’s United Bank in the amount of $25.8 million. The new loan bears a floating interest rate equal to 220 basis points over the one-month BBA LIBOR with a maturity date of October 1, 2026. At October 31, 2017, the total amount outstanding on this loan was approximately $25.1 million. In order to minimize interest rate volatility during the term of the loan, Wayne PSC, LLC entered into an interest rate swap agreement that, in effect, converted the floating interest rate to a fixed interest rate of 3.625% over the term of the loan. At October 31, 2017, the derivative financial instrument has a notional amount of approximately $25.2 million and a maturity date of October 2026. On December 26, 2012, Damascus Centre, LLC refinanced its construction loan with long-term financing provided by People’s United Bank and the first tranche of the new loan was taken-down in the amount of $20 million. Based on leasing and net operating income at the shopping center, People’s United Bank agreed to a take-down of the second tranche of this loan on April 22, 2016 in the amount of $2,320,000. The total amount outstanding for both tranches of this loan held by People’s United Bank as of October 31, 2017 was approximately $20.4 million. The loan has a maturity date of January 3, 2023 and bears a floating interest rate equal to 210 basis points over the BBA LIBOR. In order to minimize interest rate volatility during the term of this loan, Damascus Centre, LLC entered into an interest rate swap agreement that, in effect, converted the floating interest rate to a fixed interest rate on each tranche of this loan, resulting in a fixed rate of 3.81% over the term of the first tranche of this loan and a fixed rate of 3.53% over the term of the second tranche of this loan. At October 31, 2017, the derivative financial instrument has a notional amount of approximately $20.4 million and a maturity date of January 2023. On December 29, 2014, FREIT Regency, LLC closed on a $16.2 million mortgage loan with Provident Bank. The loan bears a floating interest rate equal to 125 basis points over the one-month BBA LIBOR and the loan will mature on December 15, 2024. At October 31, 2017, the total amount outstanding on this loan was $16.2 million. In order to minimize interest rate volatility during the term of the loan, FREIT Regency, LLC entered into an interest rate swap agreement that, in effect, converted the floating interest rate to a fixed interest rate of 3.75% over the term of the loan. At October 31, 2017, the derivative financial instrument has a notional amount of approximately $16.2 million and a maturity date of December 2024. In accordance with ASC 815, “Accounting for Derivative Instruments and Hedging Activities”, FREIT is accounting for the Damascus Centre, LLC, FREIT Regency, LLC, and Wayne PSC, LLC interest rate swaps as cash flow hedges and marks to market its fixed pay interest rate swaps, taking into account present interest rates compared to the contracted fixed rate over the life of the contract. For the year ended October 31, 2017, FREIT recorded an unrealized gain of $2,952,000 in comprehensive income representing the change in the fair value of the swaps during such period with a corresponding asset of approximately $275,000 for the Damascus Center swaps, $1,325,000 for the Wayne PSC swap and a corresponding liability of approximately $439,000 for the Regency swap as of October 31, 2017. For the year ended October 31, 2016, FREIT recorded an unrealized loss of $725,000 in comprehensive income representing the change in the fair value of the swaps during such period with a corresponding liability of $521,000 for the Damascus Center swaps and $1,361,000 for the Regency swap and a corresponding asset of $91,000 for the Wayne PSC swap as of October 31, 2016. For the year ended October 31, 2015, FREIT recorded an unrealized loss of $1,581,000 in comprehensive income representing the change in the fair value of the swaps during such period with a corresponding liability of $945,000 for the Regency swap and $121,000 for the Damascus Center swap as of October 31, 2015. The fair values are based on observable inputs (level 2 in the fair value hierarchy as provided by authoritative guidance).

Interest rate swap contracts

12 Months Ended

Oct. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Note 5 - Interest rate swap contracts:

On September 29, 2016, Wayne PSC, LLC, a consolidated subsidiary, refinanced its $24.2 million mortgage loan held by Metropolitan Life Insurance Company, with a new mortgage loan from People’s United Bank in the amount of $25.8 million. The new loan bears a floating interest rate equal to 220 basis points over the one-month BBA LIBOR with a maturity date of October 1, 2026. At October 31, 2017, the total amount outstanding on this loan was approximately $25.1 million. In order to minimize interest rate volatility during the term of the loan, Wayne PSC, LLC entered into an interest rate swap agreement that, in effect, converted the floating interest rate to a fixed interest rate of 3.625% over the term of the loan. At October 31, 2017, the derivative financial instrument has a notional amount of approximately $25.2 million and a maturity date of October 2026.

On December 26, 2012, Damascus Centre, LLC refinanced its construction loan with long-term financing provided by People’s United Bank and the first tranche of the new loan was taken-down in the amount of $20 million. Based on leasing and net operating income at the shopping center, People’s United Bank agreed to a take-down of the second tranche of this loan on April 22, 2016 in the amount of $2,320,000. The total amount outstanding for both tranches of this loan held by People’s United Bank as of October 31, 2017 was approximately $20.4 million. The loan has a maturity date of January 3, 2023 and bears a floating interest rate equal to 210 basis points over the BBA LIBOR. In order to minimize interest rate volatility during the term of this loan, Damascus Centre, LLC entered into an interest rate swap agreement that, in effect, converted the floating interest rate to a fixed interest rate on each tranche of this loan, resulting in a fixed rate of 3.81% over the term of the first tranche of this loan and a fixed rate of 3.53% over the term of the second tranche of this loan. At October 31, 2017, the derivative financial instrument has a notional amount of approximately $20.4 million and a maturity date of January 2023.

On December 29, 2014, FREIT Regency, LLC closed on a $16.2 million mortgage loan with Provident Bank. The loan bears a floating interest rate equal to 125 basis points over the one-month BBA LIBOR and the loan will mature on December 15, 2024. At October 31, 2017, the total amount outstanding on this loan was $16.2 million. In order to minimize interest rate volatility during the term of the loan, FREIT Regency, LLC entered into an interest rate swap agreement that, in effect, converted the floating interest rate to a fixed interest rate of 3.75% over the term of the loan. At October 31, 2017, the derivative financial instrument has a notional amount of approximately $16.2 million and a maturity date of December 2024.

In accordance with ASC 815, “Accounting for Derivative Instruments and Hedging Activities”, FREIT is accounting for the Damascus Centre, LLC, FREIT Regency, LLC, and Wayne PSC, LLC interest rate swaps as cash flow hedges and marks to market its fixed pay interest rate swaps, taking into account present interest rates compared to the contracted fixed rate over the life of the contract. For the year ended October 31, 2017, FREIT recorded an unrealized gain of $2,952,000 in comprehensive income representing the change in the fair value of the swaps during such period with a corresponding asset of approximately $275,000 for the Damascus Center swaps, $1,325,000 for the Wayne PSC swap and a corresponding liability of approximately $439,000 for the Regency swap as of October 31, 2017. For the year ended October 31, 2016, FREIT recorded an unrealized loss of $725,000 in comprehensive income representing the change in the fair value of the swaps during such period with a corresponding liability of $521,000 for the Damascus Center swaps and $1,361,000 for the Regency swap and a corresponding asset of $91,000 for the Wayne PSC swap as of October 31, 2016. For the year ended October 31, 2015, FREIT recorded an unrealized loss of $1,581,000 in comprehensive income representing the change in the fair value of the swaps during such period with a corresponding liability of $945,000 for the Regency swap and $121,000 for the Damascus Center swap as of October 31, 2015. The fair values are based on observable inputs (level 2 in the fair value hierarchy as provided by authoritative guidance).