Financing Receivable, Modifications, Amount of Principal Modifications Made During Period

No definition available.

Name:	cvcy_FinancingReceivableModificationsAmountOfPrincipalModificationsMadeDuringPeriod
Namespace Prefix:	cvcy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Financing Receivable, Modifications, Related Allowance

+ References

No definition available.

+ Details

Name:	cvcy_FinancingReceivableModificationsRelatedAllowance
Namespace Prefix:	cvcy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Financing Receivable, Modifications, Subsequent Defaults During Period, Number of Contracts

+ References

No definition available.

+ Details

Name:	cvcy_FinancingReceivableModificationsSubsequentDefaultsDuringPeriodNumberOfContracts
Namespace Prefix:	cvcy_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- 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_FinancingReceivableModificationsLineItems
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

+ Details

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

- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

+ Details

Name:	us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=cvcy_COVID19Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cvcy_CommercialAndIndustrialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cvcy_AgriculturalProductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cvcy_CommercialandRealEstatePortfolioSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loans and Allowance for Credit Losses - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) Loans contract	Jun. 30, 2020 contract	Jun. 30, 2021 USD ($) contract	Jun. 30, 2020 contract	Dec. 31, 2020 USD ($)
Financing Receivable, Modifications [Line Items]
Outstanding Recorded Investment	$ 6,504		$ 6,504		$ 7,908
Reserves specific to modified loans	$ 515		$ 515		$ 20
Number of loans \| Loans	1
Defaults on troubled debt restructurings \| contract	0	0	0	0
COVID-19 [Member] \| Payment Deferral [Member]
Financing Receivable, Modifications [Line Items]
Outstanding Recorded Investment	$ 1,370		$ 1,370
Commercial Real Estate \| Commercial real estate
Financing Receivable, Modifications [Line Items]
Outstanding Recorded Investment	$ 317		317
Number of loans \| Loans	1
Pre-Modification Outstanding Recorded Investment	$ 333
Principal Modification	0
Post Modification Outstanding Recorded Investment	333
Commercial Real Estate \| Commercial and industrial
Financing Receivable, Modifications [Line Items]
Outstanding Recorded Investment	$ 9,725		9,725
Number of loans \| Loans	1
Pre-Modification Outstanding Recorded Investment	$ 12,925
Principal Modification	0
Post Modification Outstanding Recorded Investment	12,925
Commercial Real Estate \| Agricultural production
Financing Receivable, Modifications [Line Items]
Outstanding Recorded Investment	$ 775		775
Number of loans \| Loans	1
Pre-Modification Outstanding Recorded Investment	$ 850
Principal Modification	0
Post Modification Outstanding Recorded Investment	850
Commercial and Real Estate
Financing Receivable, Modifications [Line Items]
Outstanding Recorded Investment	$ 10,500		$ 10,500
Number of loans \| Loans	2
Pre-Modification Outstanding Recorded Investment	$ 13,775
Principal Modification	0
Post Modification Outstanding Recorded Investment	$ 13,775