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v2.4.1.9

Allowance for Loan Losses - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 SecurityLoan | Mar. 31, 2014 SecurityLoan | Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Historical loss percentage period for portfolio segments | 2 years |  |
Allowance for loan losses | $ 14,315 us-gaap_LoansAndLeasesReceivableAllowance |  | $ 14,268 us-gaap_LoansAndLeasesReceivableAllowance
Number of days past due for loans to be considered as nonperforming | 90 days |  |
Reasonable period for nonperforming TDRs to be returned to performing status | 6 months |  |
Number of days reaching where loans are considered for nonaccrual status | 90 days |  |
Conditions where loans are considered for nonaccrual status | A loan may be returned to accruing status only if one of three conditions are met the loan is well-secured and none of the principal and interest has been past due for a minimum of 90 days; the loan is a TDR and has made a minimum of six months payments; or the principal and interest payments are reasonably assured and a sustained period of performance has occurred, generally six months. |  |
Defaulted loans | 0 civb_NumberOfDefaultsOnLoans | 0 civb_NumberOfDefaultsOnLoans |
Increase in Loan modified in TDR | 272 civb_IncreaseInAllowanceForLoanAndLeaseLossesDueToTdrModification |  |
Impaired loans | Greater than $500 |  |
Foreclosed assets | 528 us-gaap_ForeclosedAssets |  | 560 us-gaap_ForeclosedAssets
Residential Mortgage [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Foreclosed assets | 502 us-gaap_ForeclosedAssets / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember |  |
Residential mortgages in process of foreclosure | 899 civb_MortgageLoansInProcessOfForeclosureAmount / us-gaap_FinancialInstrumentAxis = us-gaap_ResidentialMortgageMember |  |
TDRs [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for loan losses | $ 855 us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = civb_TroubledDebtRestructuresMember |  | $ 895 us-gaap_LoansAndLeasesReceivableAllowance / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = civb_TroubledDebtRestructuresMember

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- Definition Period of sustained repayment performance before a TDR may return to performing status. + References No definition available. + Details
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- Definition Increase In Allowance For Loan And Lease Losses Due To Tdr Modification + References No definition available. + Details
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- Definition Loans Classified As Non Accrual Description + References No definition available. + Details
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- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References No definition available. + Details
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- Definition Number of defaults on loans. + References No definition available. + Details
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- Definition Period used for calculating historical loss percentages for all portfolio segments. + References No definition available. + Details
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- Definition Number of days a loan must be delinquent to be considered nonaccrual. + References No definition available. + Details
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- Definition Number of days past due for loans to be considered as nonperforming. + References No definition available. + Details
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- Definition Range of amount of impaired loans tested for impairment. + References No definition available. + Details
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- Details
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- Definition Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522 + Details
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X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + 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 210.9-03.7(d)) -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 7 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Details
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