XML 76 R65.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Note 3 - Loans and Allowance for Credit Losses on Loans - Allowance for Loan Losses (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Commercial real estate - non-owner occupied | $ 80,897,000 | $ 75,673,000 | $ 79,374,000 | $ 73,531,000 | $ 73,531,000
Loans, individually evaluated for impairment | 27,740,000 |  | 27,740,000 |  | 30,842,000
Commercial real estate - non-owner occupied | 1,075,000 | 2,150,000 | 2,250,000 | 4,400,000 |
Commercial real estate - non-owner occupied | (347,000) | (320,000) | (609,000) | (690,000) | (7,512,000)
Commercial real estate - non-owner occupied | 530,000 | 207,000 | 1,140,000 | 469,000 |
Commercial real estate - non-owner occupied | 82,155,000 | 77,710,000 | 82,155,000 | 77,710,000 | 79,374,000
Allowance for loans, individually evaluated for impairment | 4,118,000 |  | 4,118,000 |  | 3,833,000
Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 21,386,000 |  | 21,386,000 |  | 26,318,000
Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,793,000 |  | 5,793,000 |  | 4,189,000
Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 561,000 |  | 561,000 |  | 335,000
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 33,053,000 | 33,098,000 | 33,800,000 | 33,468,000 | 33,468,000
Loans, individually evaluated for impairment | 11,572,000 |  | 11,572,000 |  | 18,005,000
Commercial real estate - non-owner occupied | (10,364,000) | 215,000 | (11,131,000) | (174,000) |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 |
Commercial real estate - non-owner occupied | 62,000 | 17,000 | 82,000 | 36,000 |
Commercial real estate - non-owner occupied | 22,751,000 | 33,330,000 | 22,751,000 | 33,330,000 | 33,800,000
Allowance for loans, individually evaluated for impairment | 1,876,000 |  | 1,876,000 |  | 2,416,000
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 11,572,000 |  | 11,572,000 |  | 18,005,000
Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 20,174,000 | 20,023,000 | 20,854,000 | 19,380,000 | 19,380,000
Loans, individually evaluated for impairment | 9,215,000 |  | 9,215,000 |  | 7,272,000
Commercial real estate - non-owner occupied | 7,045,000 | 1,267,000 | 5,931,000 | 1,894,000 |
Commercial real estate - non-owner occupied | (67,000) | (57,000) | (90,000) | (128,000) |
Commercial real estate - non-owner occupied | 302,000 | 62,000 | 759,000 | 149,000 |
Commercial real estate - non-owner occupied | 27,454,000 | 21,295,000 | 27,454,000 | 21,295,000 | 20,854,000
Allowance for loans, individually evaluated for impairment | 1,860,000 |  | 1,860,000 |  | 1,085,000
Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 3,231,000 |  | 3,231,000 |  | 3,083,000
Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,793,000 |  | 5,793,000 |  | 4,189,000
Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 191,000 |  | 191,000 |  | 0
Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 16,557,000 | 12,349,000 | 13,598,000 | 10,314,000 | 10,314,000
Loans, individually evaluated for impairment | 6,019,000 |  | 6,019,000 |  | 4,763,000
Commercial real estate - non-owner occupied | 1,018,000 | 686,000 | 3,976,000 | 2,710,000 |
Commercial real estate - non-owner occupied | (7,000) | (43,000) | (21,000) | (43,000) |
Commercial real estate - non-owner occupied | 5,000 | 12,000 | 20,000 | 23,000 |
Commercial real estate - non-owner occupied | 17,573,000 | 13,004,000 | 17,573,000 | 13,004,000 | 13,598,000
Allowance for loans, individually evaluated for impairment | 370,000 |  | 370,000 |  | 314,000
Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 6,019,000 |  | 6,019,000 |  | 4,763,000
Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 7,459,000 | 6,735,000 | 7,593,000 | 7,186,000 | 7,186,000
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial real estate - non-owner occupied | 2,570,000 | 17,000 | 2,436,000 | (434,000) |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 | 0
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 |
Commercial real estate - non-owner occupied | 10,029,000 | 6,752,000 | 10,029,000 | 6,752,000 | 7,593,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Consumer Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 1,500,000 | 1,186,000 | 1,407,000 | 1,158,000 | 1,158,000
Loans, individually evaluated for impairment | 370,000 |  | 370,000 |  | 335,000
Commercial real estate - non-owner occupied | 1,108,000 | 201,000 | 1,300,000 | 289,000 |
Commercial real estate - non-owner occupied | (203,000) | (208,000) | (413,000) | (407,000) | (865,000)
Commercial real estate - non-owner occupied | 147,000 | 106,000 | 258,000 | 245,000 |
Commercial real estate - non-owner occupied | 2,552,000 | 1,285,000 | 2,552,000 | 1,285,000 | 1,407,000
Allowance for loans, individually evaluated for impairment | 12,000 |  | 12,000 |  | 18,000
Consumer Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Consumer Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Consumer Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 370,000 |  | 370,000 |  | 335,000
Finance Leases Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 232,000 | 199,000 | 220,000 | 201,000 | 201,000
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial real estate - non-owner occupied | 179,000 | 6,000 | 191,000 | 4,000 |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 | 0
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 |
Commercial real estate - non-owner occupied | 411,000 | 205,000 | 411,000 | 205,000 | 220,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Finance Leases Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Finance Leases Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Finance Leases Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 21,823,000 | 21,669,000 | 22,133,000 | 22,641,000 | 22,641,000
Loans, individually evaluated for impairment | 8,199,000 |  | 8,199,000 |  | 2,586,000
Commercial real estate - non-owner occupied | (8,808,000) | 87,000 | (9,134,000) | (904,000) |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 | 0
Commercial real estate - non-owner occupied | 17,000 | 17,000 | 33,000 | 36,000 |
Commercial real estate - non-owner occupied | 13,032,000 | 21,773,000 | 13,032,000 | 21,773,000 | 22,133,000
Allowance for loans, individually evaluated for impairment | 1,066,000 |  | 1,066,000 |  | 812,000
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 8,199,000 |  | 8,199,000 |  | 2,586,000
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 4,731,000 | 4,144,000 | 4,282,000 | 3,597,000 | 3,597,000
Loans, individually evaluated for impairment | 545,000 |  | 545,000 |  | 558,000
Commercial real estate - non-owner occupied | (483,000) | 24,000 | (34,000) | 570,000 |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 | 0
Commercial real estate - non-owner occupied | 0 | 1,000 | 0 | 2,000 |
Commercial real estate - non-owner occupied | 4,248,000 | 4,169,000 | 4,248,000 | 4,169,000 | 4,282,000
Allowance for loans, individually evaluated for impairment | 116,000 |  | 116,000 |  | 116,000
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 545,000 |  | 545,000 |  | 558,000
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 11,230,000 | 11,429,000 | 11,667,000 | 10,827,000 | 10,827,000
Loans, individually evaluated for impairment | 3,373,000 |  | 3,373,000 |  | 15,419,000
Commercial real estate - non-owner occupied | (1,556,000) | 128,000 | (1,997,000) | 730,000 |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 | 0
Commercial real estate - non-owner occupied | 45,000 | 0 | 49,000 | 0 |
Commercial real estate - non-owner occupied | 9,719,000 | 11,557,000 | 9,719,000 | 11,557,000 | 11,667,000
Allowance for loans, individually evaluated for impairment | 810,000 |  | 810,000 |  | 1,604,000
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 3,373,000 |  | 3,373,000 |  | 15,419,000
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 11,826,000 | 8,205,000 | 9,316,000 | 6,717,000 | 6,717,000
Loans, individually evaluated for impairment | 5,474,000 |  | 5,474,000 |  | 4,205,000
Commercial real estate - non-owner occupied | 1,501,000 | 662,000 | 4,010,000 | 2,140,000 |
Commercial real estate - non-owner occupied | (7,000) | (43,000) | (21,000) | (43,000) | (43,000)
Commercial real estate - non-owner occupied | 5,000 | 11,000 | 20,000 | 21,000 |
Commercial real estate - non-owner occupied | 13,325,000 | 8,835,000 | 13,325,000 | 8,835,000 | 9,316,000
Allowance for loans, individually evaluated for impairment | 254,000 |  | 254,000 |  | 198,000
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,474,000 |  | 5,474,000 |  | 4,205,000
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Term [Member] | Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 13,916,000 | 13,998,000 | 14,359,000 | 12,991,000 | 12,991,000
Loans, individually evaluated for impairment | 6,932,000 |  | 6,932,000 |  | 4,390,000
Commercial real estate - non-owner occupied | 7,478,000 | 851,000 | 6,805,000 | 1,929,000 |
Commercial real estate - non-owner occupied | (67,000) | (57,000) | (90,000) | (128,000) | (2,298,000)
Commercial real estate - non-owner occupied | 302,000 | 0 | 555,000 | 0 |
Commercial real estate - non-owner occupied | 21,629,000 | 14,792,000 | 21,629,000 | 14,792,000 | 14,359,000
Allowance for loans, individually evaluated for impairment | 1,248,000 |  | 1,248,000 |  | 377,000
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 1,049,000 |  | 1,049,000 |  | 302,000
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,692,000 |  | 5,692,000 |  | 4,088,000
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 191,000 |  | 191,000 |  | 0
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 6,258,000 | 6,025,000 | 6,495,000 | 6,389,000 | 6,389,000
Loans, individually evaluated for impairment | 2,283,000 |  | 2,283,000 |  | 2,882,000
Commercial real estate - non-owner occupied | (433,000) | 416,000 | (874,000) | (35,000) |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | 0 | (3,633,000)
Commercial real estate - non-owner occupied | 0 | 62,000 | 204,000 | 149,000 |
Commercial real estate - non-owner occupied | 5,825,000 | 6,503,000 | 5,825,000 | 6,503,000 | 6,495,000
Allowance for loans, individually evaluated for impairment | 612,000 |  | 612,000 |  | 708,000
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 2,182,000 |  | 2,182,000 |  | 2,781,000
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 101,000 |  | 101,000 |  | 101,000
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Home Equity Line of Credit [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 1,666,000 | 1,618,000 | 1,660,000 | 1,613,000 | 1,613,000
Loans, individually evaluated for impairment | 564,000 |  | 564,000 |  | 467,000
Commercial real estate - non-owner occupied | (519,000) | (9,000) | (515,000) | 8,000 |
Commercial real estate - non-owner occupied | 0 | 0 | 0 | (12,000) |
Commercial real estate - non-owner occupied | 0 | 0 | 2,000 | 0 |
Commercial real estate - non-owner occupied | 1,147,000 | 1,609,000 | 1,147,000 | 1,609,000 | 1,660,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Home Equity Line of Credit [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 564,000 |  | 564,000 |  | 467,000
Home Equity Line of Credit [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Home Equity Line of Credit [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Commercial real estate - non-owner occupied | 256,000 | 465,000 | 242,000 | 211,000 | 211,000
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial real estate - non-owner occupied | 38,000 | (233,000) | 62,000 | 103,000 |
Commercial real estate - non-owner occupied | (70,000) | (12,000) | (85,000) | (100,000) | (661,000)
Commercial real estate - non-owner occupied | 14,000 | 10,000 | 19,000 | 16,000 |
Commercial real estate - non-owner occupied | 238,000 | $ 230,000 | 238,000 | $ 230,000 | 242,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | $ 0 |  | $ 0 |  | $ 0

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References No definition available. + Details
Name: | sybt_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment
Namespace Prefix: | sybt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References No definition available. + Details
Name: | sybt_FinancingReceivablesIndividuallyEvaluatedForImpairment
Namespace Prefix: | sybt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (1) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=sybt_AccountsReceivableAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=sybt_OtherCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=sybt_CommercialAndIndustrialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=sybt_ResidentialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=sybt_ConstructionAndDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_FinanceLeasesPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sybt_NonownerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sybt_OwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sybt_TermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sybt_LinesOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CreditCardReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |