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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Stock Options And Warrants Exercised | 883,983sfbs_StockIssuedDuringPeriodSharesStockOptionsAndWarrantsExercised | 494,100sfbs_StockIssuedDuringPeriodSharesStockOptionsAndWarrantsExercised | 997,890sfbs_StockIssuedDuringPeriodSharesStockOptionsAndWarrantsExercised |
| Stock option and Warrants Exercised Tax Benefits | $ 971us-gaap_DeferredTaxExpenseFromStockOptionsExercised | $ 262us-gaap_DeferredTaxExpenseFromStockOptionsExercised | $ 381us-gaap_DeferredTaxExpenseFromStockOptionsExercised |
| Conversion of Stock, Shares Issued | 1,800,000us-gaap_ConversionOfStockSharesIssued1 | ||
| Payments of Stock Issuance Costs | $ 4,777us-gaap_PaymentsOfStockIssuanceCosts | ||
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.15us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.50us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.167us-gaap_CommonStockDividendsPerShareCashPaid |
| Common Stock, Dividends, Per Share, Declared | $ 0.05us-gaap_CommonStockDividendsPerShareDeclared | ||
| Common Stock [Member] | |||
| Stock Issued During Period, Shares, New Issues |
1,875,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Stock Issued During Period, Shares, Issued for Services |
750,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Preferred Stock [Member] | |||
| Stock Issued During Period, Shares, New Issues |
250us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
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| X | ||||||||||
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- Definition
Number of share options (or share units) and warrants exercised during the current period. No definition available.
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| X | ||||||||||
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- Definition
Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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| X | ||||||||||
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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- Details
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