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Uncategorized Items
[dnbf_SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions]
 6
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember		 5
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember