PARENT COMPANY FINANCIAL INFORMATION (Statements of Cash Flow) (Detail) (USD $)
In Thousands, 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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Operating activities | |||
Net income | $ 52,377us-gaap_NetIncomeLoss | $ 41,617us-gaap_NetIncomeLoss | $ 34,445us-gaap_NetIncomeLoss |
Adjustments to reconcile net income to net cash used in operating activities: | |||
Net cash (used in) provided by operating activities | 64,115us-gaap_NetCashProvidedByUsedInOperatingActivities | 74,198us-gaap_NetCashProvidedByUsedInOperatingActivities | 41,184us-gaap_NetCashProvidedByUsedInOperatingActivities |
Investing activities | |||
Net cash used in investing activities | (549,092)us-gaap_NetCashProvidedByUsedInInvestingActivities | (571,693)us-gaap_NetCashProvidedByUsedInInvestingActivities | (509,808)us-gaap_NetCashProvidedByUsedInInvestingActivities |
Financing activities | |||
Proceeds from other borrowings | 0us-gaap_ProceedsFromOtherDebt | 0us-gaap_ProceedsFromOtherDebt | 19,917us-gaap_ProceedsFromOtherDebt |
Repayment of subordinated debentures | 0sfbs_Redemptionofsubordinateddebentures | 0sfbs_Redemptionofsubordinateddebentures | (15,464)sfbs_Redemptionofsubordinateddebentures |
Proceeds from issuance of common stock, net | 250us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock | 0us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock | 0us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock |
Dividends paid on common stock | (3,609)us-gaap_PaymentsOfDividendsCommonStock | (3,682)us-gaap_PaymentsOfDividendsCommonStock | (3,134)us-gaap_PaymentsOfDividendsCommonStock |
Dividends paid on preferred stock | (431)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock | (416)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock | (400)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock |
Net cash provided by financing activities | 524,026us-gaap_NetCashProvidedByUsedInFinancingActivities | 575,165us-gaap_NetCashProvidedByUsedInFinancingActivities | 406,436us-gaap_NetCashProvidedByUsedInFinancingActivities |
Increase (decrease) in cash and cash equivalents | 39,049us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 77,670us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (62,188)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |
Cash and cash equivalents at beginning of year | 258,415us-gaap_CashAndCashEquivalentsAtCarryingValue | 180,745us-gaap_CashAndCashEquivalentsAtCarryingValue | 242,933us-gaap_CashAndCashEquivalentsAtCarryingValue |
Cash and cash equivalents at end of year | 297,464us-gaap_CashAndCashEquivalentsAtCarryingValue | 258,415us-gaap_CashAndCashEquivalentsAtCarryingValue | 180,745us-gaap_CashAndCashEquivalentsAtCarryingValue |
Parent Company [Member] | |||
Operating activities | |||
Net income |
52,346us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
41,601us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
34,445us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Adjustments to reconcile net income to net cash used in operating activities: | |||
Other |
165us-gaap_PaymentsForOtherOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(224)us-gaap_PaymentsForOtherOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
878us-gaap_PaymentsForOtherOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Equity in undistributed earnings of subsidiary |
(41,529)sfbs_EquityInUndistributedEarningsOfSubsidiary / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(37,997)sfbs_EquityInUndistributedEarningsOfSubsidiary / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(35,998)sfbs_EquityInUndistributedEarningsOfSubsidiary / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net cash (used in) provided by operating activities |
10,982us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
3,380us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(675)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Investing activities | |||
Investment in subsidiary |
0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(10,499)us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net cash used in investing activities |
0us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(10,499)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
0us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Financing activities | |||
Proceeds from other borrowings |
0us-gaap_ProceedsFromOtherDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
0us-gaap_ProceedsFromOtherDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
19,917us-gaap_ProceedsFromOtherDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Repayment of subordinated debentures |
0sfbs_Redemptionofsubordinateddebentures / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
0sfbs_Redemptionofsubordinateddebentures / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(15,464)sfbs_Redemptionofsubordinateddebentures / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Proceeds from issuance of common stock, net |
52,076us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
10,499us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
112us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Dividends paid on common stock |
(3,609)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(3,682)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(3,134)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Dividends paid on preferred stock |
(400)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(400)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(400)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net cash provided by financing activities |
48,067us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
6,417us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
1,031us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Increase (decrease) in cash and cash equivalents |
59,049us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
(702)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
356us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Cash and cash equivalents at beginning of year |
2,562us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
3,264us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
2,908us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Cash and cash equivalents at end of year |
$ 61,611us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
$ 2,562us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
$ 3,264us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
X | ||||||||||
- Definition
Equity In Undistributed Earnings Of Subsidiary. No definition available.
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X | ||||||||||
- Definition
Repayament of other borrowings No definition available.
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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X | ||||||||||
- Definition
Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Cash payments made during the current period for operating activities other than those that have been specifically listed above. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The cash inflow from other borrowing not otherwise defined in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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