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- References

No definition available.

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Troubled debt restructurings on nonaccrual status used to account for interest as of the balance sheet date.

No definition available.

Name:	svbi_NonaccrualStatus
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Number of contracts in TDRs used to account for interest as of the balance sheet date.

No definition available.

Name:	svbi_NumberOfContracts
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Number of financing receivables that have been modified by troubled debt restructurings on accrual status.

No definition available.

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Number of financing receivables that have been modified by troubled debt restructurings on non-accrual status.

No definition available.

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Total amount of troubled debt restructurings.

No definition available.

Name:	svbi_TotalModifications
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Data Type:	xbrli:monetaryItemType
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Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
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Period Type:

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConstructionLoansMember
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