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v2.4.1.9

Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Components of the provision for income taxes [Abstract] |  |  |
Current income tax expense | $ 20,194,000 us-gaap_CurrentIncomeTaxExpenseBenefit | $ 19,418,000 us-gaap_CurrentIncomeTaxExpenseBenefit | $ 14,784,000 us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax expense (benefit) | (1,048,000)us-gaap_DeferredIncomeTaxExpenseBenefit | 582,000 us-gaap_DeferredIncomeTaxExpenseBenefit | 5,441,000 us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense | 19,146,000 us-gaap_IncomeTaxExpenseBenefit | 20,000,000 us-gaap_IncomeTaxExpenseBenefit | 20,225,000 us-gaap_IncomeTaxExpenseBenefit
Reconciliation of income tax expense at the statutory rate to actual income tax expense [Abstract] |  |  |
Computed at the statutory rate | 21,839,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | 22,810,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | 22,781,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Adjustments resulting from [Abstract] |  |  |
Tax-exempt interest | (1,204,000)us-gaap_IncomeTaxReconciliationTaxExemptIncome | (1,126,000)us-gaap_IncomeTaxReconciliationTaxExemptIncome | (1,278,000)us-gaap_IncomeTaxReconciliationTaxExemptIncome
Housing and new markets credits | (1,076,000)us-gaap_IncomeTaxReconciliationTaxCreditsOther | (996,000)us-gaap_IncomeTaxReconciliationTaxCreditsOther | (704,000)us-gaap_IncomeTaxReconciliationTaxCreditsOther
Dividends received deduction | (178,000)us-gaap_IncomeTaxReconciliationDeductionsDividends | (291,000)us-gaap_IncomeTaxReconciliationDeductionsDividends | (202,000)us-gaap_IncomeTaxReconciliationDeductionsDividends
Bank owned life insurance | (503,000)us-gaap_IncomeTaxReconciliationNondeductibleExpenseLifeInsurance | (791,000)us-gaap_IncomeTaxReconciliationNondeductibleExpenseLifeInsurance | (470,000)us-gaap_IncomeTaxReconciliationNondeductibleExpenseLifeInsurance
ESOP dividend deduction | (284,000)us-gaap_IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends | (281,000)us-gaap_IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends | (271,000)us-gaap_IncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
Other, net | 552,000 us-gaap_IncomeTaxReconciliationOtherAdjustments | 675,000 us-gaap_IncomeTaxReconciliationOtherAdjustments | 369,000 us-gaap_IncomeTaxReconciliationOtherAdjustments
Total income tax expense | 19,146,000 us-gaap_IncomeTaxExpenseBenefit | 20,000,000 us-gaap_IncomeTaxExpenseBenefit | 20,225,000 us-gaap_IncomeTaxExpenseBenefit
Reconciliation of income tax expense at the statutory rate to actual income tax expense [Abstract] |  |  |
Computed at the statutory rate (in hundredths) | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Adjustment resulting from [Abstract] |  |  |
Tax-exempt interest (in hundredths) | (1.93%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome | (1.73%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome | (1.96%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome
Housing and new markets credits (in hundredths) | (1.72%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther | (1.52%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther | (1.08%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther
Dividends received deduction (in hundredths) | (0.29%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends | (0.45%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends | (0.31%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends
Bank owned life insurance (in hundredths) | (0.81%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance | (1.22%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance | (0.72%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance
ESOP dividend deduction (in hundredths) | (0.46%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends | (0.43%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends | (0.42%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsEmployeeStockOwnershipPlanDividends
Other, net (in hundredths) | 0.88%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | 1.04%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | 0.56%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Total (in hundredths) | 30.68%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 30.69%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 31.07%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Deferred tax assets [Abstract] |  |  |
Allowance for loan and lease losses | 12,019,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses | 11,820,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses |
Interest on nonperforming loans | 1,039,000 ctbi_DeferredTaxAssetsTaxDeferredExpenseInterestOnNonperformingLoans | 732,000 ctbi_DeferredTaxAssetsTaxDeferredExpenseInterestOnNonperformingLoans |
Accrued expenses | 1,911,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 3,370,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities |
Allowance for other real estate owned | 1,901,000 ctbi_DeferredTaxAssetsTaxDeferredExpenseAllowanceForOtherRealEstateOwned | 2,232,000 ctbi_DeferredTaxAssetsTaxDeferredExpenseAllowanceForOtherRealEstateOwned |
Unrealized losses on AFS securities | 0 us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross | 3,717,000 us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross |
Other | 1,145,000 us-gaap_DeferredTaxAssetsOther | 232,000 us-gaap_DeferredTaxAssetsOther |
Total deferred tax assets | 18,015,000 us-gaap_DeferredTaxAssetsGross | 22,103,000 us-gaap_DeferredTaxAssetsGross |
Deferred tax liabilities [Abstract] |  |  |
Depreciation and amortization | (19,181,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | (18,717,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment |
FHLB stock dividends | (3,460,000)ctbi_DeferredTaxLiabilitiesTaxFederalHomeLoanBankStockDividend | (4,956,000)ctbi_DeferredTaxLiabilitiesTaxFederalHomeLoanBankStockDividend |
Loan fee income | (744,000)ctbi_DeferredTaxLiabilitiesLoanFeeIncome | (724,000)ctbi_DeferredTaxLiabilitiesLoanFeeIncome |
Mortgage servicing rights | (1,039,000)us-gaap_DeferredTaxLiabilitiesMortgageServicingRights | (1,198,000)us-gaap_DeferredTaxLiabilitiesMortgageServicingRights |
Capitalized lease obligations | (681,000)ctbi_DeferredTaxLiabilitiesCapitalizedLeaseObligations | (1,145,000)ctbi_DeferredTaxLiabilitiesCapitalizedLeaseObligations |
Unrealized gains on AFS securities | (1,231,000)ctbi_DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross | 0 ctbi_DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross |
Other | (1,171,000)us-gaap_DeferredTaxLiabilitiesOther | (1,015,000)us-gaap_DeferredTaxLiabilitiesOther |
Total deferred tax liabilities | (27,507,000)us-gaap_DeferredIncomeTaxLiabilities | (27,755,000)us-gaap_DeferredIncomeTaxLiabilities |
Net deferred tax liability | $ (9,492,000)us-gaap_DeferredTaxLiabilities | $ (5,652,000)us-gaap_DeferredTaxLiabilities |

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