Name:	sybt_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAmountDueFromYearsTentoTwelve
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States the average interest rate applicable to Federal Home Loan Bank advances due eight years from the balance sheet date.

No definition available.

Name:	sybt_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAmountDueInYearEight
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States the average interest rate applicable to Federal Home Loan Bank advances due nine years from the balance sheet date.

No definition available.

Name:	sybt_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAmountDueInYearNine
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States the average interest rate applicable to Federal Home Loan Bank advances due seven years from the balance sheet date.

No definition available.

Name:	sybt_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAmountDueInYearSeven
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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in eight years from the balance sheet date.

No definition available.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in seven years from the balance sheet date.

No definition available.

Name:	sybt_FederalHomeLoanBankAdvancesMaturitiesSummaryDueInSevenYearsFromBalanceSheetDate
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Amount of advances from Federal Home Loan Bank (FHLBank) maturing nine years from the balance sheet date.

No definition available.

Name:	sybt_FederalHomeLoanBankAdvancesMaturitiesSummaryDueNineYearsFromBalanceSheetDate
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Amount of advances from Federal Home Loan Bank (FHLBank) maturing ten to twelve years from the balance sheet date.

No definition available.

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due within one year of the Balance Sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Subparagraph (SX 210.9-03(13)(3)(a))
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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from three to four years of the Balance Sheet date.

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-Publisher FASB
-Name Accounting Standards Codification
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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from two to three years of the Balance Sheet date.

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-Publisher FASB
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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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