XML 58 R51.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Allowance for Credit Losses - Changes in the Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | $ 37,160 | $ 28,511 | $ 28,511
Charge-offs | (651) | (175) |
Recoveries | 298 | 47 |
Provision | 2,042 | 620 |
Ending Balance | 38,849 | 34,196 | 37,160
ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 897 | 897
ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 4,296 | 4,296
Commercial and Agriculture [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 7,587 | 3,011 | 3,011
Charge-offs | (212) | (140) |
Recoveries | 152 | 6 |
Provision | 210 | 10 |
Ending Balance | 7,737 | 3,316 | 7,587
Commercial and Agriculture [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 429 | 429
Commercial Real Estate Owner Occupied [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 4,723 | 4,565 | 4,565
Recoveries | 3 |  |
Provision | (74) | 74 |
Ending Balance | 4,652 | 5,733 | 4,723
Commercial Real Estate Owner Occupied [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 19 | 19
Commercial Real Estate Owner Occupied [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 1,075 | 1,075
Commercial Real Estate Non Owner Occupied [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 12,056 | 14,138 | 14,138
Charge-offs | (174) |  |
Recoveries | 5 | 7 |
Provision | 1,081 | 462 |
Ending Balance | 12,968 | 11,760 | 12,056
Commercial Real Estate Non Owner Occupied [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | (2,847) | (2,847)
Residential Real Estate [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 8,489 | 3,145 | 3,145
Charge-offs | (13) | (10) |
Recoveries | 120 | 22 |
Provision | 478 | (151) |
Ending Balance | 9,074 | 5,934 | 8,489
Residential Real Estate [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 166 | 166
Residential Real Estate [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 2,762 | 2,762
Real Estate Construction [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 3,388 | 2,293 | 2,293
Recoveries | 4 | 4 |
Provision | 41 | 121 |
Ending Balance | 3,433 | 3,920 | 3,388
Real Estate Construction [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 1,502 | 1,502
Farm Real Estate [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 260 | 291 | 291
Provision | 60 | 6 |
Ending Balance | 320 | 269 | 260
Farm Real Estate [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | (28) | (28)
Lease Financing Receivables [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 297 | 429 | 429
Charge-offs | (226) |  |
Provision | 288 | 100 |
Ending Balance | 359 | 2,907 | 297
Lease Financing Receivables [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 635 | 635
Lease Financing Receivables [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 1,743 | 1,743
Consumer and Other [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 341 | 98 | 98
Charge-offs | (26) | (25) |
Recoveries | 14 | 8 |
Provision | (23) | (5) |
Ending Balance | 306 | 354 | 341
Consumer and Other [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 77 | 77
Consumer and Other [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 201 | 201
Unallocated [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 19 | 541 | 541
Provision | (19) | 3 |
Ending Balance | $ 0 | 3 | 19
Unallocated [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | $ (541) | $ (541)

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 financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(4) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(2) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201613Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=civb_CeclLoansMember
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_LeaseFinancingReceivablesMember
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: |