XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.23.3

Loans, Modified Loans Segregated by Class of Loans and Concession Granted (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost |  | $ 6,410 |  | $ 14,554 | $ 16,964
Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 269 |  | $ 5,137 |  |
% of total | 0.01% |  | 0.13% |  |
Term Extension [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 3,829 | 6,017 | $ 13,617 | 13,245 | 15,405
% of total | 0.10% |  | 0.34% |  |
Combination - Term Extension and Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 710 | 393 | $ 1,255 | 1,309 | 1,309
% of total | 0.02% |  | 0.03% |  |
Payment Change [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 81 |  | $ 149 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 269 |  | $ 5,079 |  |
% of total | 0.01% |  | 0.26% |  |
Commercial [Member] | Interest Rate Reduction [Member] | Hotel/Motel [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Interest Rate Reduction [Member] | Commercial Real Estate Residential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 269 |  | $ 537 |  |
% of total | 0.07% |  | 0.13% |  |
Commercial [Member] | Interest Rate Reduction [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 4,542 |  |
% of total | 0.00% |  | 0.58% |  |
Commercial [Member] | Interest Rate Reduction [Member] | Dealer Floorplans [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Interest Rate Reduction [Member] | Commercial Other [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Term Extension [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 2,243 |  | $ 8,408 |  |
% of total | 0.11% |  | 0.43% |  |
Commercial [Member] | Term Extension [Member] | Hotel/Motel [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Term Extension [Member] | Commercial Real Estate Residential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 196 |  | $ 1,587 |  |
% of total | 0.05% |  | 0.39% |  |
Commercial [Member] | Term Extension [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 1,883 |  | $ 5,297 |  |
% of total | 0.24% |  | 0.67% |  |
Commercial [Member] | Term Extension [Member] | Dealer Floorplans [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Term Extension [Member] | Commercial Other [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 164 |  | $ 1,524 |  |
% of total | 0.05% |  | 0.48% |  |
Commercial [Member] | Combination - Term Extension and Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 44 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Hotel/Motel [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Commercial Real Estate Residential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 44 |  |
% of total | 0.00% |  | 0.01% |  |
Commercial [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Dealer Floorplans [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Commercial Other [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Payment Change [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 81 |  | $ 130 |  |
% of total | 0.00% |  | 0.01% |  |
Commercial [Member] | Payment Change [Member] | Hotel/Motel [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Payment Change [Member] | Commercial Real Estate Residential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Payment Change [Member] | Commercial Real Estate Nonresidential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Payment Change [Member] | Dealer Floorplans [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Commercial [Member] | Payment Change [Member] | Commercial Other [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 81 |  | $ 130 |  |
% of total | 0.03% |  | 0.04% |  |
Residential [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost |  | 681 |  | 1,902 | 1,902
Residential [Member] | Real Estate Mortgage [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost |  | 681 |  | 1,902 | 1,902
Residential [Member] | Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 58 |  |
% of total | 0.00% |  | 0.01% |  |
Residential [Member] | Interest Rate Reduction [Member] | Real Estate Mortgage [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 58 |  |
% of total | 0.00% |  | 0.01% |  |
Residential [Member] | Interest Rate Reduction [Member] | Home Equity Lines [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Residential [Member] | Term Extension [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 1,586 | 288 | $ 4,623 | 593 | 593
% of total | 0.15% |  | 0.44% |  |
Residential [Member] | Term Extension [Member] | Real Estate Mortgage [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 1,362 | 288 | $ 4,373 | 593 | 593
% of total | 0.15% |  | 0.48% |  |
Residential [Member] | Term Extension [Member] | Home Equity Lines [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 224 |  | $ 250 |  |
% of total | 0.16% |  | 0.18% |  |
Residential [Member] | Combination - Term Extension and Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 710 | 393 | $ 1,211 | 1,309 | 1,309
% of total | 0.07% |  | 0.11% |  |
Residential [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Real Estate Mortgage [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 661 | $ 393 | $ 1,085 | $ 1,309 | $ 1,309
% of total | 0.07% |  | 0.12% |  |
Residential [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Home Equity Lines [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 49 |  | $ 126 |  |
% of total | 0.04% |  | 0.09% |  |
Residential [Member] | Payment Change [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Residential [Member] | Payment Change [Member] | Real Estate Mortgage [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Residential [Member] | Payment Change [Member] | Home Equity Lines [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Interest Rate Reduction [Member] | Consumer Direct [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Interest Rate Reduction [Member] | Consumer Indirect [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Term Extension [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 586 |  |
% of total | 0.00% |  | 0.06% |  |
Consumer [Member] | Term Extension [Member] | Consumer Direct [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 192 |  |
% of total | 0.00% |  | 0.12% |  |
Consumer [Member] | Term Extension [Member] | Consumer Indirect [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 394 |  |
% of total | 0.00% |  | 0.05% |  |
Consumer [Member] | Combination - Term Extension and Interest Rate Reduction [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Consumer Direct [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Combination - Term Extension and Interest Rate Reduction [Member] | Consumer Indirect [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Payment Change [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 19 |  |
% of total | 0.00% |  | 0.00% |  |
Consumer [Member] | Payment Change [Member] | Consumer Direct [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 19 |  |
% of total | 0.00% |  | 0.01% |  |
Consumer [Member] | Payment Change [Member] | Consumer Indirect [Member] |  |  |  |  |
Modified Loans Segregated by Class of Loans and Concession Granted [Abstract] |  |  |  |  |
Amortized cost | $ 0 |  | $ 0 |  |
% of total | 0.00% |  | 0.00% |  |

X
- References No definition available. + Details
Name: | ctbi_FinancingReceivableModifiedLoansSegregatedByClassOfLoansAndConcessionGrantedAbstract
Namespace Prefix: | ctbi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A + Details
Name: | us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-33 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
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: |

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

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

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

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

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

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

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

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

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