XML 83 R73.htm IDEA: XBRL DOCUMENT
v3.22.2

FAIR VALUE MEASUREMENT AND DISCLOSURE (Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financial assets: |  |
Trading securities | $ 3,808 | $ 4,428
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 788,123 | 1,507,486
Loans held for sale | 3,380 | 5,786
Financial liabilities: |  |
Debt Securities, Trading | 3,808 | 4,428
US Government-sponsored Enterprises Debt Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) |  | 8,344
Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 53,746 | 117,478
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 576,466 | 1,000,257
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 136,570 | 358,849
Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 3,808 | 4,428
Loans held for sale | 3,340 | 5,815
Financial liabilities: |  |
Debt Securities, Trading | 3,808 | 4,428
Fair Value, Measurements, Recurring | US Government-sponsored Enterprises Debt Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) |  | 8,344
Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 53,746 | 117,478
Fair Value, Measurements, Recurring | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 576,466 | 1,000,257
Fair Value, Measurements, Recurring | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 136,570 | 358,849
Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 21,341 | 22,558
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 3,808 | 4,428
Loans held for sale | 0 | 0
Financial liabilities: |  |
Debt Securities, Trading | 3,808 | 4,428
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | US Government-sponsored Enterprises Debt Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) |  | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 0 | 0
Loans held for sale | 3,340 | 5,815
Financial liabilities: |  |
Debt Securities, Trading | 0 | 0
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | US Government-sponsored Enterprises Debt Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) |  | 8,344
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 53,746 | 117,478
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 576,466 | 1,000,257
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 136,570 | 358,849
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 21,341 | 22,558
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 0 | 0
Loans held for sale | 0 | 0
Financial liabilities: |  |
Debt Securities, Trading | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | US Government-sponsored Enterprises Debt Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) |  | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $864,600 and $1,508,981, respectively) | 0 | 0
Interest Rate Lock Commitments [Member] | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 170 | 371
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 81 | 91
Interest Rate Lock Commitments [Member] | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value |  | 0
Interest Rate Lock Commitments [Member] | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 170 | 371
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 81 | 91
Interest Rate Lock Commitments [Member] | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Forward delivery commitments | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 91 | 86
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value |  | 6
Forward delivery commitments | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value |  | 0
Forward delivery commitments | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 91 | 86
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value |  | 6
Forward delivery commitments | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value |  | 0
Customer loan swaps(1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 7,272 | 19,297
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 7,322 | 19,485
Customer loan swaps(1) | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Customer loan swaps(1) | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 7,272 | 19,297
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 7,322 | 19,485
Customer loan swaps(1) | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Interest rate contracts(1) |  |
Financial assets: |  |
Fair Value | 10,909 | 5,589
Financial liabilities: |  |
Derivative Liability | 5,836 | 7,872
Interest rate contracts(1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 10,909 | 5,589
Financial liabilities: |  |
Derivative Liability | 5,836 | 7,872
Interest rate contracts(1) | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 0 | 0
Financial liabilities: |  |
Derivative Liability |  | 0
Interest rate contracts(1) | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 10,909 | 5,589
Financial liabilities: |  |
Derivative Liability | 5,836 | 7,872
Interest rate contracts(1) | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 0 | 0
Financial liabilities: |  |
Derivative Liability | $ 0 | $ 0

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all derivative assets not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all derivative liabilities not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 + Details
Name: | us-gaap_TradingSecuritiesDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cac_CollateralizedMortgageObligationsIssuedByUnitedStatesGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateBondSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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