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RELATED PARTY TRANSACTIONS (Additional Information) (Detail) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Related Party Transaction [Line Items] | ||
| Loans | $ 3,359,858,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome | $ 2,858,868,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
| Related Party Deposit Liabilities | 5,600,000us-gaap_RelatedPartyDepositLiabilities | 6,200,000us-gaap_RelatedPartyDepositLiabilities |
| Related Party [Member] | ||
| Related Party Transaction [Line Items] | ||
| Loans |
$ 13,100,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sfbs_RelatedPartyMember |
$ 13,100,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sfbs_RelatedPartyMember |
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- Definition
Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deposits held by the entity for a related party (entity, shareholder, employee). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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