XML 85 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8

Business - Additional Information (Detail)	Jun. 30, 2013 FinancialCenters Subsidiary
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of inactive subsidiaries	3
Bank operated Business Financial Centers, number	40
Bank operated Commercial Banking Centers, number	5
Bank operated trust office, number	3

X

- Definition

Bank operated business financial centers, number.

+ References

No definition available.

+ Details

Name:	cvbf_BankOperatedBusinessFinancialCentersNumber
Namespace Prefix:	cvbf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Bank operated commercial banking centers, number.

+ References

No definition available.

+ Details

Name:	cvbf_BankOperatedCommercialBankingCentersNumber
Namespace Prefix:	cvbf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Bank operated wealth management offices, number.

+ References

No definition available.

+ Details

Name:	cvbf_BankOperatedWealthManagementOfficesNumber
Namespace Prefix:	cvbf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of inactive subsidiaries.

+ References

No definition available.

+ Details

Name:	cvbf_NumberOfInactiveSubsidiaries
Namespace Prefix:	cvbf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration