XML 30 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9
Subsequent events (Details) (USD $)
 2 Months Ended
Dec. 29, 2014
Oct. 31, 2014
Subsequent Event [Line Items]    
Fixed interest rate   3.81%us-gaap_DerivativeFixedInterestRate
Provident Bank Mortgage [Member] | Mortgages [Member]    
Subsequent Event [Line Items]    
Loan amount $ 16,200,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= frevsob_ProvidentBankMortgageMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember		  
Provident Bank Mortgage [Member] | Mortgages [Member] | Subsequent Event [Member]    
Subsequent Event [Line Items]    
Loan amount $ 16,200,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= frevsob_ProvidentBankMortgageMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		  
Basis points, interest rate 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= frevsob_ProvidentBankMortgageMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		  
Fixed interest rate 3.75%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DebtInstrumentAxis
= frevsob_ProvidentBankMortgageMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember