XML 48 R40.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2014
tenant
store
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2014
tenant
store
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Significant Accounting Policies [Line Items]                
Number of shopping centers 32us-gaap_NumberOfStores       32us-gaap_NumberOfStores      
Number of tenants 2bfs_NumberOfTenants       2bfs_NumberOfTenants      
Interest expense capitalized         $ 689,000us-gaap_InterestCostsCapitalizedAdjustment $ 170,000us-gaap_InterestCostsCapitalizedAdjustment $ 42,300us-gaap_InterestCostsCapitalizedAdjustment  
Depreciation expense and amortization of leasehold improvements         35,933,000us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense 43,204,000us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense 34,565,000us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense  
Repairs and maintenance expense         11,900,000us-gaap_CostOfPropertyRepairsAndMaintenance 10,300,000us-gaap_CostOfPropertyRepairsAndMaintenance 9,900,000us-gaap_CostOfPropertyRepairsAndMaintenance  
Deferred leasing costs, net 26,928,000us-gaap_DeferredCostsLeasingNet       26,928,000us-gaap_DeferredCostsLeasingNet 26,052,000us-gaap_DeferredCostsLeasingNet    
Accumulated amortization deferred leasing cost 21,600,000us-gaap_DeferredCostsLeasingAccumulatedAmortization       21,600,000us-gaap_DeferredCostsLeasingAccumulatedAmortization 16,600,000us-gaap_DeferredCostsLeasingAccumulatedAmortization    
Amortization expense deferred leasing cost         5,300,000us-gaap_AmortizationOfDeferredLeasingFees 5,900,000us-gaap_AmortizationOfDeferredLeasingFees 5,500,000us-gaap_AmortizationOfDeferredLeasingFees  
Allowance for doubtful accounts receivables 677,000us-gaap_AllowanceForDoubtfulAccountsReceivable       677,000us-gaap_AllowanceForDoubtfulAccountsReceivable 572,000us-gaap_AllowanceForDoubtfulAccountsReceivable 1,208,000us-gaap_AllowanceForDoubtfulAccountsReceivable 671,000us-gaap_AllowanceForDoubtfulAccountsReceivable
Accounts receivable, net representing rental income accrued 38,700,000us-gaap_AccruedFeesAndOtherRevenueReceivable       38,700,000us-gaap_AccruedFeesAndOtherRevenueReceivable 37,200,000us-gaap_AccruedFeesAndOtherRevenueReceivable    
Allowance for doubtful accounts receivables representing rental income accrued 300,000us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables       300,000us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables 500,000us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables    
Deferred debt costs, net 9,874,000us-gaap_DeferredFinanceCostsNet       9,874,000us-gaap_DeferredFinanceCostsNet 9,675,000us-gaap_DeferredFinanceCostsNet    
Accumulated amortization deferred leasing cost 5,900,000us-gaap_AccumulatedAmortizationDeferredFinanceCosts       5,900,000us-gaap_AccumulatedAmortizationDeferredFinanceCosts 4,500,000us-gaap_AccumulatedAmortizationDeferredFinanceCosts    
Proceeds from sale of property         6,679,000us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested 0us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested 5,818,000us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested  
Gain on sales of properties 0us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 0us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 6,069,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 0us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 0us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 0us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 4,510,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax  
Accrued penalties and interest 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued       0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued  
Tax basis of the company's real estate investments 1,200,000,000us-gaap_RealEstateFederalIncomeTaxBasis       1,200,000,000us-gaap_RealEstateFederalIncomeTaxBasis 1,100,000,000us-gaap_RealEstateFederalIncomeTaxBasis    
Shares issued to directors, shares         172,887us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation 56,002us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation 158,219us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation  
Percentage of ownership in Operating Partnership         74.20%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest      
Options                
Significant Accounting Policies [Line Items]                
Antidilutive options (in shares)         106,875us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember		 112,500us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember		 117,500us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember		  
Director                
Significant Accounting Policies [Line Items]                
Shares credited to deferred fee accounts         232,262us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		      
Shares issued to directors, shares         200us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		 200us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		 200us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		  
Shares issued to directors, value         112,900us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		 124,400us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		 110,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember		  
West Park                
Significant Accounting Policies [Line Items]                
Name of property             West Park  
Proceeds from sale of property             2,000,000us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested
/ bfs_BusinessDispositionAxis
= bfs_WestParkShoppingCenterMember		  
Gain on sales of properties             1,100,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ bfs_BusinessDispositionAxis
= bfs_WestParkShoppingCenterMember		  
Belvedere                
Significant Accounting Policies [Line Items]                
Name of property             Belvedere  
Proceeds from sale of property             4,000,000us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested
/ bfs_BusinessDispositionAxis
= bfs_BelvedereShoppingCenterMember		  
Gain on sales of properties             $ 3,400,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ bfs_BusinessDispositionAxis
= bfs_BelvedereShoppingCenterMember		  
Minimum                
Significant Accounting Policies [Line Items]                
Percentage of total revenue         2.50%bfs_PercentageOfTotalRevenue
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		      
Minimum | Building                
Significant Accounting Policies [Line Items]                
Estimated useful life         35 years      
Maximum | Building                
Significant Accounting Policies [Line Items]                
Estimated useful life         50 years      
Maximum | Building Improvements                
Significant Accounting Policies [Line Items]                
Estimated useful life         20 years      
Giant Food                
Significant Accounting Policies [Line Items]                
Percentage of total revenue         4.50%bfs_PercentageOfTotalRevenue
/ us-gaap_MajorCustomersAxis
= bfs_GiantFoodMember		      
Number of shopping centers         9bfs_NumberOfShoppingCenters
/ us-gaap_MajorCustomersAxis
= bfs_GiantFoodMember		      
Safeway                
Significant Accounting Policies [Line Items]                
Percentage of total revenue         2.50%bfs_PercentageOfTotalRevenue
/ us-gaap_MajorCustomersAxis
= bfs_SafewayMember		      
Number of shopping centers         8bfs_NumberOfShoppingCenters
/ us-gaap_MajorCustomersAxis
= bfs_SafewayMember