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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Foreclosed real-estate5false 5svbi_NonPerformingAssetssvbi_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse5083400050834000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse5083400050834000USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse4893600048936000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryA debt obligation where the borrower has not paid any previously agreed upon interest and principal repayments to the designated lender for an extended period of time.No definition available.true2Total non-performing assets6false 5svbi_FinancingReceivableRecordedInvestmentNonaccrualStatusTroubledDebtRestructuressvbi_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse59080005908000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse59080005908000USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse56350005635000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryRecorded investment in financing receivables that are on nonaccrual status, including troubled debt restructures, as of the balance sheet date.No definition available.false2Nonaccrual troubled debt restructures (included above)7false 5svbi_FinancingReceivableRecordedInvestmentAccrualStatusTroubledDebtRestructuressvbi_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse4585100045851000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse4585100045851000USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse5644800056448000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryRecorded investment in financing receivables that are on accrual status troubled debt restructures, as of the balance sheet date.No definition available.false2Accruing troubled debt restructures8false 5svbi_NonAccrualLoansToNetLoanssvbi_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.060.06falsefalsefalse2falsefalsefalse00falsefalsefalse3truetruefalse0.060.06falsefalsefalse4falsefalsefalse00falsefalsefalse5truetruefalse0.0580.058falsefalsefalsenum:percentItemTypepureRepresents the ratio of non accrual loans to net loans.No definition available.false0Total non-accrual loans to net loans (in hundredths)9false 5us-gaap_LoansAndLeasesReceivableAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1276500012765000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1276500012765000USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse1747800017478000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance to cover probable credit losses on loans and leases. 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Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 false2Allowance for loan losses10false 5svbi_AllowanceToTotalLoanssvbi_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.020.02falsefalsefalse2falsefalsefalse00falsefalsefalse3truetruefalse0.020.02falsefalsefalse4falsefalsefalse00falsefalsefalse5truetruefalse0.0260.026falsefalsefalsenum:percentItemTypepureRepresents the allowance to total loans.No definition available.false0Allowance to total gross loans receivable (in hundredths)11false 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