Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Definition

Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

+ Details

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of maintained federal fund lines of credit with correspondent banks.

+ References

No definition available.

+ Details

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- Definition

Amount of maintained line of credit with correspondent bank for the parent company.

+ References

No definition available.

+ Details

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

- Definition

Long-term Debt With Call Option

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Outstanding amount of federal fund lines of credit with federal reserve bank.

+ References

No definition available.

+ Details

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- Definition

Outstanding amount of line of credit with correspondent bank for the parent company.

+ References

No definition available.

+ Details

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Namespace Prefix:	uvsp_
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Balance Type:	credit
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Borrowings - Additional Information (Detail) - USD ($)			60 Months Ended
Borrowings - Additional Information (Detail) - USD ($)	Jul. 01, 2016	Mar. 30, 2015	Jun. 29, 2026	Mar. 30, 2025	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 1,200,000,000
Outstanding short term letters of credit					148,500,000	$ 170,200,000
Amount of maintained federal fund lines of credit with correspondent banks					302,000,000	122,000,000
Amount of maintained line of credit with correspondent bank - parent company					10,000,000
Outstanding amount of line of credit with correspondent bank - parent company					0
Outstanding amount of federal fund line of credit with Federal Reserve Bank of Philadelphia					0	$ 0
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Long-term debt with call option					51,100,000
Securities Sold under Agreements to Repurchase [Member]
Debt Instrument [Line Items]
Long-term debt with fixed interest rate					5,200,000
Securities Sold under Agreements to Repurchase [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Long-term debt with variable interest rate					$ 26,000,000
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2026 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt	$ 45,000,000.0
Net proceeds of debt	$ 44,500,000
Annual fixed rate of interest	5.00%
Redemption price percentage of principal amount of redeemed debt	100.00%
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2026 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Scenario, Forecast [Member]
Debt Instrument [Line Items]
Basis spread of interest rate (LIBOR)			3.90%
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2025 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 50,000,000
Net proceeds of debt		$ 49,000,000
Annual fixed rate of interest		5.10%
Redemption price percentage of principal amount of redeemed debt		100.00%
Subordinated Debt [Member] \| Fixed-to-Floating Rate, Subordinated Debt, Due in 2025 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Scenario, Forecast [Member]
Debt Instrument [Line Items]
Basis spread of interest rate (LIBOR)				3.544%