Income Taxes (Details)	12 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Income Taxes [Abstract]
Percentage of ordinary taxable income	90.00%
Percentage of ordinary taxable income distributed	100.00%		100.00%
Capital gain percentage	100.00%	100.00%	100.00%

Percentage of capital gain from sale of property distributed as dividends.

No definition available.

Name:	frevsob_CapitalGainFroPercentageOfCapitalGainFromSaleOfPropertyDistributedAsDividendsmSaleOfPropertyAsDividendspercentage
Namespace Prefix:	frevsob_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration