XML 82 R71.htm IDEA: XBRL DOCUMENT
v3.7.0.1

COMMITMENTS, CONTINGENCIES AND DERIVATIVES (Schedule of Swapped Variable Cost for Fixed Cost and Terms of Interest Rate Swap Agreements) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Interest rate swaps |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 43,000 | $ 43,000
Derivative, fair value | [1] | (7,958) | (8,372)
Interest rate swaps | Contract, One |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 10,000 |
Trade Date |  | Mar. 18, 2009 |
Maturity Date |  | Jun. 30, 2021 |
Variable Index Received |  | 3 months |
Fixed Rate Paid |  | 5.09% |
Derivative, fair value | [1] | $ (733) | (806)
Interest rate swaps | Contract, Two |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 10,000 |
Trade Date |  | Jul. 08, 2009 |
Maturity Date |  | Jun. 30, 2029 |
Variable Index Received |  | 3 months |
Fixed Rate Paid |  | 5.84% |
Derivative, fair value | [1] | $ (2,214) | (2,321)
Interest rate swaps | Contract, Three |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 10,000 |
Trade Date |  | May 06, 2010 |
Maturity Date |  | Jun. 30, 2030 |
Variable Index Received |  | 3 months |
Fixed Rate Paid |  | 5.71% |
Derivative, fair value | [1] | $ (2,186) | (2,290)
Interest rate swaps | Contract, Four |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 5,000 |
Trade Date |  | Mar. 14, 2011 |
Maturity Date |  | Mar. 30, 2031 |
Variable Index Received |  | 3 months |
Fixed Rate Paid |  | 5.75% |
Derivative, fair value | [1] | $ (1,160) | (1,211)
Interest rate swaps | Contract, Five |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 8,000 |
Trade Date |  | May 04, 2011 |
Maturity Date |  | Jul. 07, 2031 |
Variable Index Received |  | 3 months |
Fixed Rate Paid |  | 5.56% |
Derivative, fair value | [1] | $ (1,665) | (1,744)
Forward-Starting Interest Rate Swap |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | 50,000 | 50,000
Derivative, fair value | [2] | (208) | (389)
Forward-Starting Interest Rate Swap | Contract, One |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 25,000 |
Trade Date |  | Feb. 25, 2015 |
Maturity Date |  | Feb. 25, 2018 |
Variable Index Received |  | 1 month |
Fixed Rate Paid |  | 1.54% |
Derivative, fair value | [2] | $ (74) | (152)
Forward-Starting Interest Rate Swap | Contract, Two |  |  |
Derivative [Line Items] |  |  |
Notional Amount |  | $ 25,000 |
Trade Date |  | Feb. 25, 2015 |
Maturity Date |  | Feb. 25, 2019 |
Variable Index Received |  | 1 month |
Fixed Rate Paid |  | 1.74% |
Derivative, fair value | [2] | $ (134) | $ (237)
[1] | Presented within accrued interest and other liabilities on the consolidated statements of condition.
[2] | Presented within accrued interest and other liabilities on the consolidated statements of condition.

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the entity entered into the derivative contract, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeInceptionDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the derivative contract matures, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeMaturityDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maturity period on variable rate advances made and reported by Federal Home Loan Bank (FHLBank), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesMaturityPeriodVariableRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cac_DerivativesByDerivativeInstrumentContractAxis=cac_ContractOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cac_DerivativesByDerivativeInstrumentContractAxis=cac_ContractTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cac_DerivativesByDerivativeInstrumentContractAxis=cac_ContractThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cac_DerivativesByDerivativeInstrumentContractAxis=cac_ContractFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cac_DerivativesByDerivativeInstrumentContractAxis=cac_ContractFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=cac_ForwardStartingInterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |