XML 76 R61.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans, Nonaccrual Loans Segregated by Class of Loans and Loan Portfolio Aging Analysis, Segregated by Class (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | $ 11,867 | $ 18,119
Total Past Due |  | 43,546 | 45,403
Current |  | 3,165,092 | 3,077,537
Total Loans |  | 3,208,638 | 3,122,940
90+ and Accruing | [1] | 10,198 | 10,176
Minimum threshold amount of loans requiring performance bond |  | 500 |
30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 15,378 | 13,401
60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 8,970 | 8,632
90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 19,198 | 23,370
Commercial [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Loans |  | 1,644,746 | 1,619,235
Commercial [Member] | Construction [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | 639 | 1,207
Total Past Due |  | 843 | 1,376
Current |  | 81,872 | 75,103
Total Loans |  | 82,715 | 76,479
90+ and Accruing | [1] | 58 | 31
Commercial [Member] | Construction [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 87 | 138
Commercial [Member] | Construction [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 58 | 0
Commercial [Member] | Construction [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 698 | 1,238
Commercial [Member] | Real Estate [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | 4,537 | 7,028
Total Past Due |  | 16,267 | 14,160
Current |  | 1,166,826 | 1,174,520
Total Loans |  | 1,183,093 | 1,188,680
90+ and Accruing | [1] | 4,632 | 2,665
Commercial [Member] | Real Estate [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 6,287 | 4,047
Commercial [Member] | Real Estate [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 1,204 | 1,599
Commercial [Member] | Real Estate [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 8,776 | 8,514
Commercial [Member] | Equipment Lease Financing [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 0 | 430
Current |  | 1,740 | 2,612
Total Loans |  | 1,740 | 3,042
90+ and Accruing | [1] | 0 | 0
Commercial [Member] | Equipment Lease Financing [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 0 | 430
Commercial [Member] | Equipment Lease Financing [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 0 | 0
Commercial [Member] | Equipment Lease Financing [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 0 | 0
Commercial [Member] | Other [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | 797 | 934
Total Past Due |  | 2,218 | 1,564
Current |  | 374,980 | 349,470
Total Loans |  | 377,198 | 351,034
90+ and Accruing | [1] | 581 | 87
Commercial [Member] | Other [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 1,057 | 835
Commercial [Member] | Other [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 94 | 77
Commercial [Member] | Other [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 1,067 | 652
Residential [Member] | Construction [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | 22 | 318
Total Past Due |  | 610 | 649
Current |  | 56,550 | 66,709
Total Loans |  | 57,160 | 67,358
90+ and Accruing | [1] | 6 | 223
Residential [Member] | Construction [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 144 | 224
Residential [Member] | Construction [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 438 | 202
Residential [Member] | Construction [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 28 | 223
Residential [Member] | Real Estate [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | 5,395 | 8,243
Total Past Due |  | 14,524 | 18,698
Current |  | 707,893 | 690,872
Total Loans |  | 722,417 | 709,570
90+ and Accruing | [1] | 4,095 | 6,293
Residential [Member] | Real Estate [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 1,272 | 2,064
Residential [Member] | Real Estate [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 5,645 | 5,029
Residential [Member] | Real Estate [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 7,607 | 11,605
Residential [Member] | Home Equity [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Nonaccrual loans segregated by class of loans |  | 477 | 389
Total Past Due |  | 1,704 | 1,201
Current |  | 104,595 | 98,155
Total Loans |  | 106,299 | 99,356
90+ and Accruing | [1] | 246 | 167
Residential [Member] | Home Equity [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 898 | 595
Residential [Member] | Home Equity [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 365 | 178
Residential [Member] | Home Equity [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 441 | 428
Consumer [Member] | Consumer Direct [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 1,183 | 1,193
Current |  | 143,106 | 136,561
Total Loans |  | 144,289 | 137,754
90+ and Accruing | [1] | 74 | 62
Consumer [Member] | Consumer Direct [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 918 | 983
Consumer [Member] | Consumer Direct [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 191 | 148
Consumer [Member] | Consumer Direct [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 74 | 62
Consumer [Member] | Consumer Indirect [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 6,197 | 6,132
Current |  | 527,530 | 483,535
Total Loans |  | 533,727 | 489,667
90+ and Accruing | [1] | 506 | 648
Consumer [Member] | Consumer Indirect [Member] | 30-59 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 4,715 | 4,085
Consumer [Member] | Consumer Indirect [Member] | 60-89 Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | 975 | 1,399
Consumer [Member] | Consumer Indirect [Member] | 90+ Days Past Due [Member] |  |  |
Bank's Loan portfolio aging analysis, segregated by class [Abstract] |  |  |
Total Past Due |  | $ 507 | $ 648
[1] | 90+ and Accruing are also included in 90+ Days Past Due column.

X
- Definition Minimum threshold amount of loans requiring a performance bond to be posted by the general contractor to assure completion of the project. + References No definition available. + Details
Name: | ctbi_MinimumThresholdAmountOfLoansRequiringPerformanceBond
Namespace Prefix: | ctbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Financing receivables that are current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
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=us-gaap_ConstructionLoansMember
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=ctbi_EquipmentLeaseFinancingMember
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_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: |