Planned asset dispositions (Details Narrative) (USD $)	Apr. 30, 2013
Palisades Manor Apartments
Contract sales price	$ 2,500,000
South Brunswick Property
Contract sales price	$ 11,000,000

The contract sales price of property to be sold though classified as held for use.

No definition available.

Name:	FREVSOB_ContractSalesPrice
Namespace Prefix:	FREVSOB_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant