XML 1061 R65.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Deposits (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Deposits [Abstract] |  |  |
Noninterest bearing deposits | $ 677,626 us-gaap_NoninterestBearingDepositLiabilities | $ 621,321 us-gaap_NoninterestBearingDepositLiabilities |
NOW accounts | 31,998 us-gaap_DepositsNegotiableOrderOfWithdrawalNOW | 31,017 us-gaap_DepositsNegotiableOrderOfWithdrawalNOW |
Money market deposits | 577,677 us-gaap_DepositsMoneyMarketDeposits | 554,072 us-gaap_DepositsMoneyMarketDeposits |
Savings | 348,038 us-gaap_DepositsSavingsDeposits | 320,835 us-gaap_DepositsSavingsDeposits |
Certificates of deposit and other time deposits of $100,000 or more | 619,887 us-gaap_TimeDeposits100000OrMore | 660,016 us-gaap_TimeDeposits100000OrMore |
Certificates of deposit and other time deposits less than $100,000 | 619,031 us-gaap_TimeDepositsLessThan100000 | 667,813 us-gaap_TimeDepositsLessThan100000 |
Total deposits | 2,874,257 us-gaap_Deposits | 2,855,074 us-gaap_Deposits |
Interest Expense Deposit [Abstract] |  |  |
Savings, NOW, and money market accounts | 2,141 us-gaap_InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits | 2,281 us-gaap_InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits | 2,894 us-gaap_InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
Certificates of deposit and other time deposits of $100,000 or more | 4,265 us-gaap_InterestExpenseTimeDeposits100000OrMore | 4,863 us-gaap_InterestExpenseTimeDeposits100000OrMore | 7,378 us-gaap_InterestExpenseTimeDeposits100000OrMore
Certificates of deposit and other time deposits less than $100,000 | 3,392 us-gaap_InterestExpenseTimeDepositsLessThan100000 | 4,169 us-gaap_InterestExpenseTimeDepositsLessThan100000 | 7,639 us-gaap_InterestExpenseTimeDepositsLessThan100000
Total interest expense on deposits | 9,798 us-gaap_InterestExpenseDeposits | 11,313 us-gaap_InterestExpenseDeposits | 17,911 us-gaap_InterestExpenseDeposits
Maturities of Time Deposits [Abstract] |  |  |
Within 1 Year | 1,054,119 us-gaap_TimeDepositMaturitiesYearOne |  |
2 Years | 89,058 us-gaap_TimeDepositMaturitiesYearTwo |  |
3 Years | 42,499 us-gaap_TimeDepositMaturitiesYearThree |  |
4 Years | 26,964 us-gaap_TimeDepositMaturitiesYearFour |  |
5 Years | 25,834 us-gaap_TimeDepositMaturitiesYearFive |  |
After 5 Years | 444 us-gaap_TimeDepositMaturitiesAfterYearFive |  |
Total | 1,238,918 us-gaap_TimeDeposits |  |
Certificates of Deposit and Other Time Deposits of $100,000 or More [Member] |  |  |
Maturities of Time Deposits [Abstract] |  |  |
Within 1 Year | 518,045 us-gaap_TimeDepositMaturitiesYearOne / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
2 Years | 48,833 us-gaap_TimeDepositMaturitiesYearTwo / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
3 Years | 24,280 us-gaap_TimeDepositMaturitiesYearThree / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
4 Years | 14,070 us-gaap_TimeDepositMaturitiesYearFour / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
5 Years | 14,559 us-gaap_TimeDepositMaturitiesYearFive / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
After 5 Years | 100 us-gaap_TimeDepositMaturitiesAfterYearFive / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
Total | 619,887 us-gaap_TimeDeposits / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember |  |
Certificates of Deposit and Other Time Deposits Less Than $100,000 [Member] |  |  |
Maturities of Time Deposits [Abstract] |  |  |
Within 1 Year | 536,074 us-gaap_TimeDepositMaturitiesYearOne / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |
2 Years | 40,225 us-gaap_TimeDepositMaturitiesYearTwo / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |
3 Years | 18,219 us-gaap_TimeDepositMaturitiesYearThree / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |
4 Years | 12,894 us-gaap_TimeDepositMaturitiesYearFour / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |
5 Years | 11,275 us-gaap_TimeDepositMaturitiesYearFive / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |
After 5 Years | 344 us-gaap_TimeDepositMaturitiesAfterYearFive / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |
Total | $ 619,031 us-gaap_TimeDeposits / ctbi_MaturitiesOfCertificatesAxis = ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member |  |

X
- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
Name: | us-gaap_Deposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DepositsMoneyMarketDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deposits in interest-bearing transaction accounts at banks or savings and loans, that are restricted in regard to ownership and can usually only be held by individuals, nonprofit entities and governments. Negotiable order of withdrawal accounts differ from money market demand accounts as they typically have higher reserve requirements and no limit on the number of checks that can be written. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DepositsNegotiableOrderOfWithdrawalNOW
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_DepositsSavingsDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Aggregate amount of interest expense on all deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.6) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 6 -Article 9 + Details
Name: | us-gaap_InterestExpenseDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate interest expense incurred on the following for deposits in domestic offices: (1) transaction accounts (NOW, and telephone and preauthorized transfer accounts), (2) money market deposits and (3) savings deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.6) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 6 -Article 9 + Details
Name: | us-gaap_InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Interest expense incurred on time deposits, including certificates of deposits, of $100,000 or more in domestic offices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.6) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 6 -Article 9 + Details
Name: | us-gaap_InterestExpenseTimeDeposits100000OrMore
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest expense incurred on time deposits, including certificates of deposits, less than $100,000 in domestic offices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.6) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 6 -Article 9 + Details
Name: | us-gaap_InterestExpenseTimeDepositsLessThan100000
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
Name: | us-gaap_NoninterestBearingDepositLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesAfterYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearFour
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearOne
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
Name: | us-gaap_TimeDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The aggregate amount of domestic and foreign time deposit liabilities (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6479006&loc=d3e64164-112818 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 3 -Section V -Paragraph A -Subparagraph 4 + Details
Name: | us-gaap_TimeDeposits100000OrMore
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The aggregate amount of domestic or foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to less than $100,000. + References No definition available. + Details
Name: | us-gaap_TimeDepositsLessThan100000
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ctbi_MaturitiesOfCertificatesAxis=ctbi_CertificatesOfDepositAndOtherTimeDepositsLessThan100000Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ctbi_MaturitiesOfCertificatesAxis=ctbi_CertificatesOfDepositAndOtherTimeDepositsOf100000OrMoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |