XML 73 R61.htm IDEA: XBRL DOCUMENT
v3.25.1

LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Financing Receivable, Nonaccrual) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | $ 7,251 | $ 4,829
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | 7,251 | 4,829
Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 4,434 | 4,448
Real Estate | Commercial real estate - owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 4,434 | 4,448
Real Estate | Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 0
General Business Assets |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 669
General Business Assets | Commercial real estate - owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 0
General Business Assets | Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 669
Total Collateral -Dependent Loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 4,434 | 4,448
Total Collateral -Dependent Loans | Commercial real estate - owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 4,434 | 4,448
Total Collateral -Dependent Loans | Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 0
Commercial real estate - non-owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | 128 | 129
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | 128 | 129
Commercial real estate - owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | 143 | 430
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | 143 | 430
Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | 1,803 | 1,927
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | 1,803 | 1,927
Residential real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | 4,322 | 1,891
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | 4,322 | 1,891
Home equity |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | 848 | 434
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | 848 | 434
Consumer |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Financing Receivable, Nonaccrual, With Allowance | 7 | 18
Financing Receivable, Nonaccrual, No Allowance | 0 | 0
Financing Receivable, Nonaccrual | $ 7 | $ 18

X
- Definition Financing Receivable, Nonaccrual, With Allowance + References No definition available. + Details
Name: | cac_FinancingReceivableNonaccrualWithAllowance
Namespace Prefix: | cac_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableNonaccrualNoAllowance
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://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableNonaccrualStatusLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_CollateralAxis=cac_GeneralBusinessAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CollateralPledgedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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