XML 101 R91.htm IDEA: XBRL DOCUMENT
v3.23.3

Note 13 - Assets and Liabilities Measured and Reported at Fair Value - Assets Measured at Fair Value on a Non-recurring Basis (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Other real estate owned, gain (loss) |  | $ (250) | $ (5) |
Fair Value, Nonrecurring [Member] |  |  |  |
Collateral dependent loans, fair value | $ 0 | 0 |  | $ 0
Collateral dependent loans | 1,377 | 1,377 |  | 377
Other real estate owned, fair value | 0 | 0 |  | 0
Other real estate owned, gain (loss) | 250 | 250 |  | 0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |
Collateral dependent loans, fair value | 0 | 0 |  | 0
Other real estate owned, fair value | 0 | 0 |  | 0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |
Collateral dependent loans, fair value | 12,141 | 12,141 |  | 20,637
Other real estate owned, fair value | 427 | 427 |  | 677
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |
Collateral dependent loans, fair value | 12,141 | 12,141 |  | 20,637
Other real estate owned, fair value | $ 427 | $ 427 |  | $ 677

X
- Definition The amount of gains (losses) on collateral dependent loans. + References No definition available. + Details
Name: | sybt_GainsLossesOnCollateralDependentLoans
Namespace Prefix: | sybt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The fair value amount of impaired loans. + References No definition available. + Details
Name: | sybt_ImpairedLoansFairValue
Namespace Prefix: | sybt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value related to other real assets owned fair value disclosure. + References No definition available. + Details
Name: | sybt_OtherRealEstateOwnedFairValueDisclosure
Namespace Prefix: | sybt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_GainsLossesOnSalesOfOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |