XML 68 R58.htm IDEA: XBRL DOCUMENT v3.23.1

Allowance for Loan 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	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	$ 4,041	$ 624
Loans individually evaluated allowance for credit losses	469	7
Real Estate Loan [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	738
Other Loan [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	193
Amortized Cost Basis Of Collateral Dependent Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated allowance for credit losses	89
Commercial and Agriculture [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	165
Loans individually evaluated allowance for credit losses	12
Commercial and Agriculture [Member] | Real Estate Loan [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	49
Commercial and Agriculture [Member] | Other Loan [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	116
Commercial and Agriculture [Member] | Amortized Cost Basis Of Collateral Dependent Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated allowance for credit losses	12
Commercial Real Estate Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	1,514	232
Loans individually evaluated allowance for credit losses	7	6
Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	119
Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	1,838	392
Loans individually evaluated allowance for credit losses	2	$ 1
Residential Real Estate [Member] | Real Estate Loan [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	689
Consumer and Other [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	77
Loans individually evaluated allowance for credit losses	77
Consumer and Other [Member] | Other Loan [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated for expected credit losses	77
Consumer and Other [Member] | Amortized Cost Basis Of Collateral Dependent Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans individually evaluated allowance for credit losses	$ 77

X

- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

+ 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

No definition available.

+ 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_ConsumerAndOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: