Loans and Leases - Nonaccrual and accruing troubled debt restructured loans and lease modifications (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Receivables [Abstract]
Nonaccrual troubled debt restructured loans and lease modifications	$ 503	$ 579

Nonaccrual troubled debt restructured loans and lease modifications.

No definition available.

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