Maximum Amount Of Commercial Loans Receivable Third Party Credit Scoring Models Used For Risk Rating

No definition available.

Name:	cvly_MaximumAmountOfCommercialLoansReceivableThirdPartyCreditScoringModelsUsedForRiskRating
Namespace Prefix:	cvly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number Of Risk Ratings

+ References

No definition available.

+ Details

Name:	cvly_NumberOfRiskRatings
Namespace Prefix:	cvly_
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- 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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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=66008989&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953682-111524

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_RiskLevelLowMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loans (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
Loans (Narrative) (Details) $ in Thousands	Sep. 30, 2016 loan	Sep. 30, 2015 loan	Sep. 30, 2016 USD ($) segment loan item	Sep. 30, 2015 loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loan portfolio segments \| segment			2
Maximum amount of consumer and commercial loans that use third-party credit scoring software models for risk rating purposes \| $			$ 500
Number of risk ratings used to grade loans \| item			10
Number of loans modified under TDRs \| loan	0	0	0	0
Number of defaults \| loan	0		0
Lowest Risk [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of risk ratings used to grade loans \| item			7