Loans and Leases - Non-Performing Loans and Leases (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Receivables [Abstract]
Nonaccrual troubled debt restructured loans and lease modifications	$ 1,600	$ 579

Nonaccrual troubled debt restructured loans and lease modifications.

No definition available.

Name:	uvsp_NonaccrualTroubledDebtRestructuredLoansAndLeaseModifications
Namespace Prefix:	uvsp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant