XML 133 R112.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Fair Value Measurement - Quantitative Information about Level 3 Fair Value Measurements (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Impaired Loans [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Estimate | $ 952 | $ 759
Impaired Loans [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Measurements, Valuation Technique | Appraisal of collateral |
Other Real Estate Owned [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Estimate | $ 37 | $ 109
Other Real Estate Owned [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Measurements, Valuation Technique | Appraisal of collateral |
Maximum [Member] | Impaired Loans [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions, Appraisal adjustments | 67.00% | 30.00%
Fair Value Assumptions, Liquidation expense | 10.00% | 10.00%
Fair Value Assumptions, Holding period | 30 months | 30 months
Maximum [Member] | Other Real Estate Owned [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions, Appraisal adjustments | 30.00% | 30.00%
Fair Value Assumptions, Liquidation expense | 10.00% | 10.00%
Minimum [Member] | Impaired Loans [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions, Appraisal adjustments | 10.00% | 10.00%
Fair Value Assumptions, Liquidation expense | 0.00% | 0.00%
Fair Value Assumptions, Holding period | 0 months | 0 months
Minimum [Member] | Other Real Estate Owned [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions, Appraisal adjustments | 10.00% | 10.00%
Fair Value Assumptions, Liquidation expense | 0.00% | 0.00%
Weighted Average [Member] | Impaired Loans [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions, Appraisal adjustments | 64.00% | 10.00%
Fair Value Assumptions, Liquidation expense | 4.00% | 10.00%
Fair Value Assumptions, Holding period | 19 months | 17 months
Weighted Average [Member] | Other Real Estate Owned [Member] | Appraisal of Collateral [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions, Appraisal adjustments | 10.00% | 10.00%
Fair Value Assumptions, Liquidation expense | 10.00% | 10.00%

X
- Definition Percentage of adjustment to the observed price for a similar asset, used as an input to measure fair value. + References No definition available. + Details
Name: | civb_FairValueInputsAppraisalAdjustments
Namespace Prefix: | civb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value inputs holding period. + References No definition available. + Details
Name: | civb_FairValueInputsHoldingPeriod
Namespace Prefix: | civb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of adjustment to the observed price to dispose of asset, used as an input to measure fair value. + References No definition available. + Details
Name: | civb_FairValueInputsLiquidationExpense
Namespace Prefix: | civb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=civb_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=civb_AppraisalOfCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=civb_OtherRealEstateOwnedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |