XML 85 R72.htm IDEA: XBRL DOCUMENT
v3.22.4

Loans, Collateral Dependent Loans and Loans With/Without Specific Valuation Allowance (Details) - Commercial [Member] - Collateral Pledged [Member] $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) Loan | Dec. 31, 2021 USD ($) Loan
Collateral Dependent Loans by Segment [Abstract] |  |
Number of Loans | Loan | 15 | 18
Recorded Balance | $ 32,598 | $ 37,773
Specific Allowance | $ 1,200 | $ 1,150
Hotel/Motel [Member] |  |
Collateral Dependent Loans by Segment [Abstract] |  |
Number of Loans | Loan | 1 | 2
Recorded Balance | $ 1,168 | $ 9,462
Specific Allowance | $ 0 | $ 600
Commercial Real Estate Residential [Member] |  |
Collateral Dependent Loans by Segment [Abstract] |  |
Number of Loans | Loan | 4 | 4
Recorded Balance | $ 7,786 | $ 7,255
Specific Allowance | $ 0 | $ 0
Commercial Real Estate Nonresidential [Member] |  |
Collateral Dependent Loans by Segment [Abstract] |  |
Number of Loans | Loan | 8 | 11
Recorded Balance | $ 14,718 | $ 19,943
Specific Allowance | $ 200 | $ 200
Commercial Other [Member] |  |
Collateral Dependent Loans by Segment [Abstract] |  |
Number of Loans | Loan | 2 | 1
Recorded Balance | $ 8,926 | $ 1,113
Specific Allowance | $ 1,000 | $ 350

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

X
- Definition Number of impaired financial receivables. + References No definition available. + Details
Name: | ctbi_ImpairedFinancingReceivableNumberOfLoans
Namespace Prefix: | ctbi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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