XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

LOANS AND ALLOWANCE FOR LOAN LOSSES (Credit Risk Exposure Indicators by Portfolio Segment) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019
--- | --- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | $ 3,274,842 | $ 3,095,023 | $ 3,110,634
Pass (Grades 1-6) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 2,903,363 | 2,696,045 |
Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 295,119 | 336,401 |
Special Mention (Grade 7) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 27,066 | 34,859 |
Substandard (Grade 8) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 46,793 | 25,568 |
Non-performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 2,501 | 2,150 |
Residential Real Estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 1,044,103 | 1,070,374 | 1,061,898
Residential Real Estate | Pass (Grades 1-6) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 1,037,649 | 1,062,825 |
Residential Real Estate | Special Mention (Grade 7) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 405 | 473 |
Residential Real Estate | Substandard (Grade 8) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 6,049 | 7,076 |
Commercial Real Estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 1,333,733 | 1,243,397 | 1,255,519
Commercial Real Estate | Pass (Grades 1-6) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 1,273,616 | 1,196,683 |
Commercial Real Estate | Special Mention (Grade 7) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 23,899 | 31,753 |
Commercial Real Estate | Substandard (Grade 8) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 36,218 | 14,961 |
Commercial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 360,629 | 421,108 | 421,754
Commercial | Pass (Grades 1-6) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 354,160 | 415,870 |
Commercial | Special Mention (Grade 7) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 2,762 | 2,544 |
Commercial | Substandard (Grade 8) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 3,707 | 2,694 |
SBA PPP Portfolio Segment |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 223,838 | 0 | 0
SBA PPP Portfolio Segment | Pass (Grades 1-6) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 223,838 |  |
Home Equity |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 274,743 | 312,779 | 323,564
Home Equity | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 272,246 | 310,653 |
Home Equity | Non-performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 2,497 | 2,126 |
Consumer |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 22,877 | 25,772 | 24,187
Consumer | Performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 22,873 | 25,748 |
Consumer | Non-performing |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 4 | 24 |
HPFC Portfolio Segment |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 14,919 | 21,593 | $ 23,712
HPFC Portfolio Segment | Pass (Grades 1-6) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | 14,100 | 20,667 |
HPFC Portfolio Segment | Special Mention (Grade 7) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans |  | 89 |
HPFC Portfolio Segment | Substandard (Grade 8) |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans | $ 819 | $ 837 |

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
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. 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=121593590&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_NonperformingFinancingReceivableMember
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=us-gaap_CommercialRealEstatePortfolioSegmentMember
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=cac_SBAPPPPortfolioSegmentMember
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: |

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