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ACQUISITION (Additional Information) (Detail) (USD $)
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1 Months Ended |
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Jan. 31, 2015
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| Business Acquisition [Line Items] | |
| Payments to Acquire Businesses, Gross | $ 20,926,000us-gaap_PaymentsToAcquireBusinessesGross |
| Metro Bancshares, Inc [Member] | |
| Business Acquisition [Line Items] | |
| Payments to Acquire Businesses, Gross |
20,900,000us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = sfbs_MetroBancsharesIncMember |
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
636,592us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = sfbs_MetroBancsharesIncMember |
| Estimated Fair Value Of Purchased Credit Impaired Loans Acquired |
$ 5,100,000sfbs_EstimatedFairValueOfPurchasedCreditImpairedLoansAcquired / us-gaap_BusinessAcquisitionAxis = sfbs_MetroBancsharesIncMember |
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- Definition
The amount of estimated fair value of purchased credit impaired loans acquired. No definition available.
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- Definition
Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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