XML 26 R50.htm IDEA: XBRL DOCUMENT v2.4.1.9
FAIR VALUE MEASUREMENT (Narrative) (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Financing receivable, individually evaluated for impairment $ 17,531,000us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment $ 21,179,000us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment $ 27,209,000us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Impaired financing receivable, unpaid principal balance 18,760,000us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance 22,516,000us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance 28,512,000us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Non-financial liabilities measured at fair value on recurring basis, net 0cac_Nonfinancialliabilitiesmeasuredatfairvalueonrecurringbasisnet    
Non-financial liabilities measured at fair value on non-recurring basis 0cac_Nonfinancialliabilitiesmeasuredatfairvalueonnonrecurringbasis    
Impaired Loans Specifically Reserved      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impaired financing receivable, unpaid principal balance 14,800,000us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FairValueByAssetClassAxis
= cac_ImpairedLoansSpecificallyReservedMember
17,600,000us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FairValueByAssetClassAxis
= cac_ImpairedLoansSpecificallyReservedMember
 
Servicing Contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset at amortized cost 65,000us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_ServicingContractsMember
319,000us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_ServicingContractsMember
 
Other real estate owned      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Other real estate 305,000us-gaap_OtherRealEstate
/ us-gaap_FairValueByAssetClassAxis
= cac_OtherRealEstateOwnedMember
305,000us-gaap_OtherRealEstate
/ us-gaap_FairValueByAssetClassAxis
= cac_OtherRealEstateOwnedMember
 
Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Financing receivable, individually evaluated for impairment $ 250,000us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
/ us-gaap_RangeAxis
= us-gaap_MinimumMember