XML 62 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Of Financial Instruments (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Mar. 31, 2015
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Total recorded investment $ 9,056,000us-gaap_ImpairedFinancingReceivableRecordedInvestment $ 9,261,000us-gaap_ImpairedFinancingReceivableRecordedInvestment
Recorded Investment, With allowance recorded 850,000us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment 1,960,000us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Impaired Financing Receivable, Related Allowance 273,000us-gaap_ImpairedFinancingReceivableRelatedAllowance 401,000us-gaap_ImpairedFinancingReceivableRelatedAllowance
Additional impaired financing receivable 2,900,000dnbf_AdditionalImpairedFinancingReceivable 0dnbf_AdditionalImpairedFinancingReceivable
Partial charge down 526,000dnbf_PartialChargeDownFinancingReceivable  
Total fair value of impaired loans 2,900,000dnbf_ImpairedFinancingReceivableTotalFairValue 1,600,000dnbf_ImpairedFinancingReceivableTotalFairValue
Other real estate owned & other repossessed property 901,000us-gaap_OtherRealEstateAndForeclosedAssets 908,000us-gaap_OtherRealEstateAndForeclosedAssets
OREO 837,000us-gaap_RealEstateAcquiredThroughForeclosure 837,000us-gaap_RealEstateAcquiredThroughForeclosure
Other Repossessed Assets 64,000us-gaap_OtherForeclosedAssets 71,000us-gaap_OtherForeclosedAssets
Transfers from level 1 to level 2   0us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount
Transfers from level 2 to level 1   0us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount
Interest-bearing Domestic Deposit, Brokered 10,238,000us-gaap_InterestBearingDomesticDepositBrokered 10,248,000us-gaap_InterestBearingDomesticDepositBrokered
Brokered deposits maturing in 2016   4,000,000dnbf_InterestBearingDomesticDepositBrokeredMaturitiesYearTwo
Brokered deposits maturing in 2017   6,200,000dnbf_InterestBearingDomesticDepositBrokeredMaturitiesYearThree
Un-funded Loan Commitments [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Off-balance sheet risks liability amount 101,700,000us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommitmentsToExtendCreditMember
100,600,000us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommitmentsToExtendCreditMember
Stand-by Letters Of Credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Off-balance sheet risks liability amount 2,200,000us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_StandbyLettersOfCreditMember
2,200,000us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_StandbyLettersOfCreditMember
Fair Value [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Recorded Investment, With allowance recorded 577,000us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
1,600,000us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
Additional impaired financing receivable 2,300,000dnbf_AdditionalImpairedFinancingReceivable
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
 
Interest-bearing Domestic Deposit, Brokered $ 10,204,000us-gaap_InterestBearingDomesticDepositBrokered
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember
$ 10,258,000us-gaap_InterestBearingDomesticDepositBrokered
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_EstimateOfFairValueFairValueDisclosureMember