XML 63 R56.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Allowance for Credit Losses - Schedule of Amortized Cost Basis of Collateral Dependent Loans Individually Evaluated Expected Credit Losses and Related Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Real Estate Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | $ 1,329 | $ 1,624
Other Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | 23,667 | 4,735
Amortized Cost Basis Of Collateral Dependent Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated allowance for credit losses | 2,604 | 1,265
Commercial and Agriculture [Member] | Other Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | 10,930 | 4,674
Commercial and Agriculture [Member] | Amortized Cost Basis Of Collateral Dependent Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated allowance for credit losses | 1,075 | 945
Commercial Real Estate Owner Occupied [Member] | Real Estate Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses |  | 308
Commercial Real Estate Owner Occupied [Member] | Other Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | 8,219 |
Commercial Real Estate Owner Occupied [Member] | Amortized Cost Basis Of Collateral Dependent Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated allowance for credit losses | 24 | 37
Commercial Real Estate Non Owner Occupied [Member] | Real Estate Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses |  | 1,167
Commercial Real Estate Non Owner Occupied [Member] | Other Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | 3,006 |
Commercial Real Estate Non Owner Occupied [Member] | Amortized Cost Basis Of Collateral Dependent Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated allowance for credit losses | 1,052 | 268
Residential Real Estate [Member] | Real Estate Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | 1,329 | 149
Lease Financing Receivable [Member] | Other Loan [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated for expected credit losses | 1,512 | 61
Lease Financing Receivable [Member] | Amortized Cost Basis Of Collateral Dependent Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans individually evaluated allowance for credit losses | $ 453 | $ 15

X
- Definition Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479391/326-20-30-2 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11C + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
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 Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=civb_OtherLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=civb_AmortizedCostBasisOfCollateralDependentLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=civb_CommercialAndAgricultureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=civb_CommercialRealEstateOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=civb_CommercialRealEstateNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=civb_LeaseFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |