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Restructuring Charges - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]    
Percentage of staff reduced by the Corporation 3.40%uvsp_PercentageOfStaffReducedByCorporation  
Restructuring charges $ 539us-gaap_RestructuringCharges  
Employee Severance [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges 437us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember		 437us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
Fixed Asset Retirement [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges $ 102us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= uvsp_FixedAssetRetirementMember