XML 118 R105.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value (Fair Value On A Recurring Basis) (Narrative) (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Percentage Of Portfolio In Residential Mortgage Backed Securities 57.00%unty_PercentageOfPortfolioInResidentialMortgageBackedSecurities  
Residential Mortgage Backed Securities Guaranteed By Government National Mortgage Association Or Federal National Mortgage Association Or Federal Home Loan Mortgage Corporation $ 33,300,000unty_ResidentialMortgageBackedSecuritiesGuaranteedByGovernmentNationalMortgageAssociationOrFederalNationalMortgageAssociationOrFederalHomeLoanMortgageCorporation  
Available-for-sale Securities 60,073,000us-gaap_AvailableForSaleSecurities 81,133,000us-gaap_AvailableForSaleSecurities
Parent Company Only [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale Securities 197,000us-gaap_AvailableForSaleSecurities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember		 167,000us-gaap_AvailableForSaleSecurities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Residential Mortgage Backed Securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale Securities $ 34,383,000us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ResidentialMortgageBackedSecuritiesMember		 $ 44,389,000us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ResidentialMortgageBackedSecuritiesMember