XML 124 R108.htm IDEA: XBRL DOCUMENT
v3.23.1

Subordinated Debentures - Schedule of Subordinated Debentures (Parenthetical) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Subordinated Note [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 3.25% | 3.25%
Subordinated Note [Member] | December 31, 2031 [Member] |  |
Subordinated Borrowing [Line Items] |  |
Maturities of subordinated debt | $ 75,000 |
Subordinated Note [Member] | SOFR [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 2.19% |
First Citizens Statutory Trust II [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 6.79% | 3.28%
First Citizens Statutory Trust II [Member] | March 26, 2033 [Member] |  |
Subordinated Borrowing [Line Items] |  |
Maturities of subordinated debt | $ 7,732 |
First Citizens Statutory Trust II [Member] | 3-Month LIBOR [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 3.15% |
First Citizens Statutory Trust III [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 5.78% | 2.37%
First Citizens Statutory Trust III [Member] | September 20, 2034 [Member] |  |
Subordinated Borrowing [Line Items] |  |
Maturities of subordinated debt | $ 12,887 |
First Citizens Statutory Trust III [Member] | 3-Month LIBOR [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 2.25% |
First Citizens Statutory Trust IV [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 4.89% | 1.72%
First Citizens Statutory Trust IV [Member] | March 23, 2037 [Member] |  |
Subordinated Borrowing [Line Items] |  |
Maturities of subordinated debt | $ 5,155 |
First Citizens Statutory Trust IV [Member] | 3-Month LIBOR [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 1.60% |
Futura TPF Trust II [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 4.95% | 1.78%
Futura TPF Trust II [Member] | June 15, 2035 [Member] |  |
Subordinated Borrowing [Line Items] |  |
Maturities of subordinated debt | $ 2,070 |
Futura TPF Trust II [Member] | 3-Month LIBOR [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 1.66% |
Futura TPF Trust I [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 4.95% | 1.78%
Futura TPF Trust I [Member] | June 15, 2035 [Member] |  |
Subordinated Borrowing [Line Items] |  |
Maturities of subordinated debt | $ 2,578 |
Futura TPF Trust I [Member] | 3-Month LIBOR [Member] |  |
Subordinated Borrowing [Line Items] |  |
Basis spread on variable rate | 1.66% |

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for a long-term borrowing where lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets as it matures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
Name: | us-gaap_MaturitiesOfSubordinatedDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_SubordinatedBorrowingLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=civb_SubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=civb_FirstCitizensStatutoryTrustIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=civb_FirstCitizensStatutoryTrustIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=civb_FirstCitizensStatutoryTrustIVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=civb_FuturaTpfTrustIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=civb_FuturaTpfTrustIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |