XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.10.0.1

LOANS AND ALLOWANCE FOR LOAN LOSSES (Loan Aging Analysis by Portfolio Segment) (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) loan | Jun. 30, 2017 USD ($) loan | Jun. 30, 2018 USD ($) loan | Jun. 30, 2017 USD ($) loan | Dec. 31, 2017 USD ($)
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Number of TDRs | loan | 1 | 1 | 1 | 2 |
Total Past Due | $ 19,814,000 |  | $ 19,814,000 |  | $ 22,945,000
Current | 2,847,715,000 |  | 2,847,715,000 |  | 2,759,494,000
Total Loans Outstanding | 2,867,529,000 | $ 2,736,269,000 | 2,867,529,000 | $ 2,736,269,000 | 2,782,439,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 15,810,000 |  | 15,810,000 |  | 15,314,000
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 163,000 | 315,000 | 163,000 | 466,000 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 186,000 | 315,000 | 186,000 | 466,000 |
Allowance Related to Troubled Debt Restructurings assigned during period | 39,000 | 0 | 39,000 | 15,000 |
Residential Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 7,006,000 |  | 7,006,000 |  | 9,477,000
Current | 900,904,000 |  | 900,904,000 |  | 848,892,000
Total Loans Outstanding | 907,910,000 | 831,577,000 | 907,910,000 | 831,577,000 | 858,369,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 5,742,000 |  | 5,742,000 |  | 4,979,000
Commercial Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 5,764,000 |  | 5,764,000 |  | 6,700,000
Current | 1,184,288,000 |  | 1,184,288,000 |  | 1,157,323,000
Total Loans Outstanding | 1,190,052,000 | 1,138,756,000 | 1,190,052,000 | 1,138,756,000 | 1,164,023,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 5,600,000 |  | 5,600,000 |  | 5,642,000
Commercial |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 2,991,000 |  | 2,991,000 |  | 2,223,000
Current | 383,402,000 |  | 383,402,000 |  | 371,177,000
Total Loans Outstanding | 386,393,000 | 370,701,000 | 386,393,000 | 370,701,000 | 373,400,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 1,934,000 |  | 1,934,000 |  | 2,000,000
Home Equity |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 2,658,000 |  | 2,658,000 |  | 2,548,000
Current | 321,013,000 |  | 321,013,000 |  | 320,830,000
Total Loans Outstanding | 323,671,000 | 327,083,000 | 323,671,000 | 327,083,000 | 323,378,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 1,680,000 |  | 1,680,000 |  | 1,650,000
Consumer |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 106,000 |  | 106,000 |  | 67,000
Current | 19,400,000 |  | 19,400,000 |  | 18,082,000
Total Loans Outstanding | 19,506,000 | 17,035,000 | 19,506,000 | 17,035,000 | 18,149,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 20,000 |  | 20,000 |  | 0
HPFC Portfolio Segment |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 1,289,000 |  | 1,289,000 |  | 1,930,000
Current | 38,708,000 |  | 38,708,000 |  | 43,190,000
Total Loans Outstanding | 39,997,000 | $ 51,117,000 | 39,997,000 | $ 51,117,000 | 45,120,000
Loans 90 Days Past Due and Accruing | 0 |  | 0 |  | 0
Non-Accrual Loans | 834,000 |  | 834,000 |  | 1,043,000
30-59 Days Past Due |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 8,039,000 |  | 8,039,000 |  | 6,291,000
30-59 Days Past Due | Residential Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 1,632,000 |  | 1,632,000 |  | 3,871,000
30-59 Days Past Due | Commercial Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 4,823,000 |  | 4,823,000 |  | 849,000
30-59 Days Past Due | Commercial |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 263,000 |  | 263,000 |  | 329,000
30-59 Days Past Due | Home Equity |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 995,000 |  | 995,000 |  | 1,046,000
30-59 Days Past Due | Consumer |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 62,000 |  | 62,000 |  | 57,000
30-59 Days Past Due | HPFC Portfolio Segment |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 264,000 |  | 264,000 |  | 139,000
60-89 Days Past Due |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 2,431,000 |  | 2,431,000 |  | 3,822,000
60-89 Days Past Due | Residential Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 721,000 |  | 721,000 |  | 1,585,000
60-89 Days Past Due | Commercial Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 25,000 |  | 25,000 |  | 323,000
60-89 Days Past Due | Commercial |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 1,228,000 |  | 1,228,000 |  | 359,000
60-89 Days Past Due | Home Equity |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 242,000 |  | 242,000 |  | 173,000
60-89 Days Past Due | Consumer |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 24,000 |  | 24,000 |  | 10,000
60-89 Days Past Due | HPFC Portfolio Segment |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 191,000 |  | 191,000 |  | 1,372,000
Greater than 90 Days |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 9,344,000 |  | 9,344,000 |  | 12,832,000
Greater than 90 Days | Residential Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 4,653,000 |  | 4,653,000 |  | 4,021,000
Greater than 90 Days | Commercial Real Estate |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 916,000 |  | 916,000 |  | 5,528,000
Greater than 90 Days | Commercial |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 1,500,000 |  | 1,500,000 |  | 1,535,000
Greater than 90 Days | Home Equity |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 1,421,000 |  | 1,421,000 |  | 1,329,000
Greater than 90 Days | Consumer |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | 20,000 |  | 20,000 |  | 0
Greater than 90 Days | HPFC Portfolio Segment |  |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |  |
Total Past Due | $ 834,000 |  | $ 834,000 |  | $ 419,000

X
- Definition Allowance Related to Troubled Debt Restructuring assigned during period + References No definition available. + Details
Name: | cac_AllowanceRelatedtoTroubledDebtRestructuringsassignedduringperiod
Namespace Prefix: | cac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
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 No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&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_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_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: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |