XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.22.1

Allowance for Loan Losses - Ending Allocation of Allowance for Loan Losses and Loan Balances Outstanding (Detail) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Individually evaluated for impairment | $ 18 | $ 18 |  |
Allowance for loan losses, Collectively evaluated for impairment | 27,015 | 26,623 |  |
Allowance for loan losses, Total | 27,033 | 26,641 | $ 26,133 | $ 25,028
Outstanding loan balances, Individually evaluated for impairment | 1,202 | 1,222 |  |
Outstanding loan balances, Collectively evaluated for impairment | 2,016,696 | 1,996,367 |  |
Outstanding loan balances, Total | 2,018,188 | 1,997,879 |  |
Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Loan balance of loans acquired with credit deterioration | 290 | 290 |  |
Commercial and Agriculture [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Collectively evaluated for impairment | 2,584 | 2,600 |  |
Allowance for loan losses, Total | 2,584 | 2,600 | 2,360 | 2,810
Outstanding loan balances, Collectively evaluated for impairment | 218,443 | 246,502 |  |
Outstanding loan balances, Total | 218,443 | 246,502 |  |
Commercial Real Estate Owner Occupied [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Individually evaluated for impairment | 6 | 7 |  |
Allowance for loan losses, Collectively evaluated for impairment | 4,588 | 4,457 |  |
Allowance for loan losses, Total | 4,594 | 4,464 | 4,049 | 4,057
Outstanding loan balances, Individually evaluated for impairment | 181 | 187 |  |
Outstanding loan balances, Collectively evaluated for impairment | 301,171 | 295,265 |  |
Outstanding loan balances, Total | 301,352 | 295,452 |  |
Commercial Real Estate Non Owner Occupied [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Collectively evaluated for impairment | 14,577 | 13,860 |  |
Allowance for loan losses, Total | 14,577 | 13,860 | 13,209 | 12,451
Outstanding loan balances, Individually evaluated for impairment |  | 0 |  |
Outstanding loan balances, Collectively evaluated for impairment | 869,663 | 829,310 |  |
Outstanding loan balances, Total | 869,663 | 829,310 |  |
Residential Real Estate [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Individually evaluated for impairment | 12 | 11 |  |
Allowance for loan losses, Collectively evaluated for impairment | 2,600 | 2,586 |  |
Allowance for loan losses, Total | 2,612 | 2,597 | 2,509 | 2,484
Outstanding loan balances, Individually evaluated for impairment | 514 | 526 |  |
Outstanding loan balances, Collectively evaluated for impairment | 431,966 | 429,244 |  |
Outstanding loan balances, Total | 432,770 | 430,060 |  |
Residential Real Estate [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Loan balance of loans acquired with credit deterioration | 290 | 290 |  |
Real Estate Construction [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Collectively evaluated for impairment | 1,863 | 1,810 |  |
Allowance for loan losses, Total | 1,863 | 1,810 | 2,902 | 2,439
Outstanding loan balances, Collectively evaluated for impairment | 161,651 | 157,127 |  |
Outstanding loan balances, Total | 161,651 | 157,127 |  |
Farm Real Estate [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Collectively evaluated for impairment | 249 | 287 |  |
Allowance for loan losses, Total | 249 | 287 | 283 | 338
Outstanding loan balances, Individually evaluated for impairment | 507 | 509 |  |
Outstanding loan balances, Collectively evaluated for impairment | 24,141 | 27,910 |  |
Outstanding loan balances, Total | 24,648 | 28,419 |  |
Consumer and Other [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Collectively evaluated for impairment | 136 | 176 |  |
Allowance for loan losses, Total | 136 | 176 | 170 | 209
Outstanding loan balances, Collectively evaluated for impairment | 9,661 | 11,009 |  |
Outstanding loan balances, Total | 9,661 | 11,009 |  |
Unallocated [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Allowance for loan losses, Collectively evaluated for impairment | 418 | 847 |  |
Allowance for loan losses, Total | $ 418 | $ 847 | $ 651 | $ 240

X
- Definition Financing receivable acquired with credit deterioration. + References No definition available. + Details
Name: | civb_FinancingReceivableAcquiredWithCreditDeterioration
Namespace Prefix: | civb_
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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively 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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 http://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 collectively 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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 http://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 Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
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_RealEstateConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=civb_FarmRealEstateMember
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: |

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