XML 24 R31.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Loans, Troubled Debt Restructurings Segregated by Class (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 Loan | Mar. 31, 2013 Loan | Dec. 31, 2013 Loan
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | 4 | 17 | 64
Term Modification | $ 167 | $ 8,208 | $ 12,015
Rate Modification | 0 | 0 | 0
Combination | 0 | 92 | 3,072
Post-Modification Outstanding Balance | 167 | 8,300 | 15,087
Defaulted restructured loans, number of loans | 2 | 5 |
Defaulted Restructured loans, recorded investment | 34 | 1,002 |
Commercial Construction [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans |  | 3 | 6
Term Modification |  | 2,110 | 2,603
Rate Modification |  | 0 | 0
Combination |  | 0 | 0
Post-Modification Outstanding Balance |  | 2,110 | 2,603
Defaulted restructured loans, number of loans | 0 | 2 |
Defaulted Restructured loans, recorded investment | 0 | 328 |
Commercial Secured by Real Estate [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | 2 | 5 | 27
Term Modification | 126 | 605 | 2,568
Rate Modification | 0 | 0 | 0
Combination | 0 | 0 | 2,920
Post-Modification Outstanding Balance | 126 | 605 | 5,488
Defaulted restructured loans, number of loans | 0 | 2 |
Defaulted Restructured loans, recorded investment | 0 | 662 |
Commercial Other [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans | 2 | 9 | 30
Term Modification | 41 | 5,493 | 6,471
Rate Modification | 0 | 0 | 0
Combination | 0 | 92 | 152
Post-Modification Outstanding Balance | 41 | 5,585 | 6,623
Defaulted restructured loans, number of loans | 2 | 1 |
Defaulted Restructured loans, recorded investment | 34 | 12 |
Real Estate Mortgage [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Loans |  |  | 1
Term Modification |  |  | 373
Rate Modification |  |  | 0
Combination |  |  | 0
Post-Modification Outstanding Balance |  |  | $ 373

X
- Definition Combination under troubled debt restructurings during the period. + References No definition available. + Details
Name: | ctbi_Combination
Namespace Prefix: | ctbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings within the current reporting period and for which there was a payment default. + References No definition available. + Details
Name: | ctbi_FinancingReceivableModificationsSubsequentDefaultNumberOfContract
Namespace Prefix: | ctbi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the current reporting period, for which there was a payment default. + References No definition available. + Details
Name: | ctbi_FinancingReceivableModificationSubsequentDefaultRecordedInvestment
Namespace Prefix: | ctbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of financing receivables under troubled debt restructurings during the period. + References No definition available. + Details
Name: | ctbi_NumberOfLoans
Namespace Prefix: | ctbi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rate modification under troubled debt restructurings during the period. + References No definition available. + Details
Name: | ctbi_RateModification
Namespace Prefix: | ctbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Term modification under troubled debt restructurings during the period. + References No definition available. + Details
Name: | ctbi_TermModification
Namespace Prefix: | ctbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total modification under troubled debt restructurings during the period. + References No definition available. + Details
Name: | ctbi_TotalModification
Namespace Prefix: | ctbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration